{"id":3298,"date":"2025-03-28T19:11:55","date_gmt":"2025-03-28T12:11:55","guid":{"rendered":"https:\/\/www.greenfeed.com.vn\/thuy-san\/?p=3298"},"modified":"2025-03-28T19:27:00","modified_gmt":"2025-03-28T12:27:00","slug":"quan-ly-ao-nuoi-va-phong-benh-ca-giai-doan-nang-nong-va-giao-mua-nang-mua","status":"publish","type":"post","link":"https:\/\/www.greenfeed.com.vn\/thuy-san\/quan-ly-ao-nuoi-va-phong-benh-ca-giai-doan-nang-nong-va-giao-mua-nang-mua\/","title":{"rendered":"Qu\u1ea3n l\u00fd ao nu\u00f4i v\u00e0 ph\u00f2ng b\u1ec7nh C\u00e1 giai \u0111o\u1ea1n n\u1eafng n\u00f3ng v\u00e0 giao m\u00f9a n\u1eafng – m\u01b0a"},"content":{"rendered":"

Giai \u0111o\u1ea1n m\u00f9a n\u1eafng v\u00e0 giao m\u00f9a n\u1eafng – m\u01b0a \u1edf \u0110\u00f4ng Nam B\u1ed9 v\u00e0 \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long k\u00e9o d\u00e0i t\u1eeb gi\u1eefa th\u00e1ng ba \u0111\u1ebfn cu\u1ed1i th\u00e1ng n\u0103m h\u1eb1ng n\u0103m. Th\u1eddi ti\u1ebft giai \u0111o\u1ea1n n\u00e0y c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m n\u1eafng n\u00f3ng li\u00ean t\u1ee5c v\u00e0 c\u00f3 nh\u1eefng c\u01a1n m\u01b0a \u0111\u1ea7u m\u00f9a v\u1edbi v\u0169 l\u01b0\u1ee3ng th\u1ea5p, m\u01b0a c\u1ee5c b\u1ed9 v\u00e0i n\u01a1i trong \u0111\u1ecba ph\u01b0\u01a1ng. \u0110\u00f4i khi m\u1ed9t v\u00e0i c\u01a1n m\u01b0a v\u1edbi v\u0169 l\u01b0\u1ee3ng cao b\u1ea5t th\u01b0\u1eddng c\u0169ng x\u1ea3y ra. Tuy nhi\u00ean, m\u01b0a l\u1edbn v\u1eabn ch\u1ec9 \u1edf m\u1ed9t v\u00e0i \u0111\u1ecba ph\u01b0\u01a1ng, khu v\u1ef1c. Giai \u0111o\u1ea1n chuy\u1ec3n m\u00f9a n\u00e0y ch\u1ec9 k\u1ebft th\u00fac v\u00e0 th\u1eddi ti\u1ebft b\u1eaft \u0111\u1ea7u ch\u00ednh th\u1ee9c b\u01b0\u1edbc v\u00e0o m\u00f9a m\u01b0a khi m\u01b0a th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n v\u1edbi v\u0169 l\u01b0\u1ee3ng cao v\u00e0 tr\u1ea3i \u0111\u1ec1u tr\u00ean to\u00e0n khu v\u1ef1c, th\u01b0\u1eddng l\u00e0 gi\u1eefa th\u00e1ng s\u00e1u.<\/p>\n

Sau nh\u1eefng \u0111\u1ee3t n\u1eafng n\u00f3ng gay g\u1eaft k\u00e9o d\u00e0i cu\u1ed1i m\u00f9a kh\u00f4 v\u00e0 th\u1ec9nh tho\u1ea3ng xu\u1ea5t hi\u1ec7n v\u00e0i c\u01a1n m\u01b0a nh\u1ecf k\u00e8m theo gi\u00f4ng, th\u1eddi ti\u1ebft l\u00fac giao m\u00f9a \u0111\u1ed9t ng\u1ed9t thay \u0111\u1ed5i, xen k\u1ebd gi\u1eefa n\u1eafng n\u00f3ng, m\u01b0a \u1ea9m v\u00e0 b\u1ea7u tr\u1eddi nhi\u1ec1u m\u00e2y khi\u1ebfn c\u00e1 nu\u00f4i m\u1ec7t m\u1ecfi, s\u1ee9c \u0111\u1ec1 kh\u00e1ng suy gi\u1ea3m. C\u00e0ng n\u1eafng n\u00f3ng, k\u1ebft h\u1ee3p m\u01b0a n\u1eafng th\u1ea5t th\u01b0\u1eddng c\u00f9ng v\u1edbi v\u1ec7 sinh b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i ao, b\u00e8 nu\u00f4i c\u00e1 kh\u00f4ng t\u1ed1t s\u1ebd l\u00e0 \u0111i\u1ec1u ki\u1ec7n cho m\u1ea7m b\u1ec7nh virus, vi khu\u1ea9n v\u00e0 k\u00fd sinh tr\u00f9ng sinh s\u00f4i v\u00e0 ph\u00e1t tri\u1ec3n. Nhi\u1ec7t \u0111\u1ed9 cao nh\u1ea5t ph\u1ed5 bi\u1ebfn 32 – 36 \u0111\u1ed9 C, s\u1ed1 gi\u1edd n\u1eafng k\u00e9o d\u00e0i t\u1eeb 9-10 gi\u1edd m\u1ed7i ng\u00e0y,\u00a0\u0111\u1ed9 \u1ea9m\u00a0duy tr\u00ec d\u01b0\u1edbi 60%, l\u00e0 \u0111i\u1ec1u ki\u1ec7n r\u1ea5t b\u1ea5t l\u1ee3i cho c\u00e1 trong ao, b\u00e8. N\u00f3ng kh\u00f4 li\u00ean t\u1ee5c khi\u1ebfn n\u01b0\u1edbc ao b\u1ecb n\u00f3ng, c\u00f9ng v\u1edbi qu\u00e1 tr\u00ecnh b\u1ed1c h\u01a1i nhi\u1ec1u s\u1ebd l\u00e0m ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc bi\u1ebfn \u0111\u1ed5i theo chi\u1ec1u h\u01b0\u1edbng x\u1ea5u r\u1ea5t nhanh, c\u00e1 d\u1ec5 b\u1ecb m\u1eafc c\u00e1c b\u1ec7nh nh\u01b0 l\u1ed3i m\u1eaft tr\u01b0\u1edbng b\u1ee5ng do Streptococcus<\/em> sp., xu\u1ea5t huy\u1ebft do Aeromonas<\/em> sp., th\u1ed1i mang, m\u00f2n v\u00e2y do Flavobacterium<\/em> sp., s\u00e1n l\u00e1 mang, tr\u00f9ng b\u00e1nh xe d\u1eabn \u0111\u1ebfn ch\u1eadm l\u1edbn ho\u1eb7c b\u1ecb hao h\u1ee5t nhi\u1ec1u. Nh\u1eefng c\u01a1n m\u01b0a \u0111\u1ea7u tr\u00e1i m\u00f9a v\u00e0 \u0111\u1ea7u m\u00f9a k\u00e9o theo ch\u1ea5t b\u1ea9n t\u00edch t\u1ee5 t\u1eeb c\u1ed1ng r\u1ea3nh, k\u00eanh nh\u1ecf v\u00e0o ao nu\u00f4i mang nhi\u1ec1u vi khu\u1ea9n y\u1ebfm kh\u00ed, g\u00e2y th\u1ed1i v\u00e0 nhi\u1ec1u lo\u1ea1i kh\u00ed \u0111\u1ed9c, \u0111\u1ed3ng th\u1eddi n\u01b0\u1edbc m\u01b0a v\u00e0o ao c\u0169ng k\u00edch th\u00edch h\u1ec7 vi sinh c\u00f3 h\u1ea1i trong ao gia t\u0103ng nhanh s\u1ed1 l\u01b0\u1ee3ng s\u1ebd l\u00e0m c\u00e1 b\u1ec7nh v\u00e0 ch\u1ebft nhi\u1ec1u.<\/p>\n

A. C\u00e1c r\u1ee7i ro th\u01b0\u1eddng g\u1eb7p<\/h2>\n

1. R\u1ee7i ro do nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc cao<\/h3>\n

Trong nh\u1eefng th\u00e1ng m\u00f9a kh\u00f4, ng\u00e0y d\u00e0i v\u00e0 b\u1ee9c x\u1ea1 nhi\u1ec7t cao tr\u1ef1c ti\u1ebfp t\u1eeb m\u1eb7t tr\u1eddi l\u00e0 l\u1edbn nh\u1ea5t, n\u01b0\u1edbc trong ao tr\u1edf n\u00ean ph\u00e2n t\u1ea7ng th\u00e0nh c\u00e1c l\u1edbp n\u01b0\u1edbc c\u00f3 nhi\u1ec7t \u0111\u1ed9 ch\u00eanh l\u1ec7ch nhau trong ao; v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao nh\u1ea5t l\u00e0 32 – 33 \u0111\u1ed9 C \u1edf l\u1edbp n\u01b0\u1edbc b\u1ec1 m\u1eb7t c\u1ee7a ao, l\u1edbp n\u01b0\u1edbc \u1edf gi\u1eefa ao c\u00f3 th\u1ec3 l\u00e0 28 – 30 \u0111\u1ed9 C v\u00e0 l\u1edbp n\u01b0\u1edbc \u1edf t\u1ea7ng s\u00e2u nh\u1ea5t nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, \u0111\u1eb7c bi\u1ec7t c\u00e1c ao \u0111\u1ed9 s\u00e2u 4-5m, c\u00f3 th\u1ec3 th\u1ea5p \u0111\u1ebfn 24 – 26 \u0111\u1ed9 C.<\/p>\n

T\u00e1c \u0111\u1ed9ng c\u01a1 b\u1ea3n c\u1ee7a qu\u00e1 tr\u00ecnh t\u00e1ch nhi\u1ec7t c\u1ee7a c\u00e1c t\u1ea7ng n\u01b0\u1edbc l\u00e0 l\u00e0m gi\u1ea3m h\u00e0m l\u01b0\u1ee3ng oxy h\u00f2a tan t\u1ed5ng th\u1ec3 trong ao; l\u00e0m cho ao tr\u1edf th\u00e0nh m\u00f4i tr\u01b0\u1eddng s\u1ed1ng b\u1ea5t l\u1ee3i c\u1ee7a c\u00e1. H\u01a1n n\u1eefa, nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc cao th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e2n h\u1ee7y c\u1ee7a c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 t\u00edch t\u1ee5 kh\u00ed \u0111\u1ed9c c\u00f3 h\u1ea1i. S\u1ef1 k\u1ebft h\u1ee3p \u1ea3nh h\u01b0\u1edfng c\u1ee7a gi\u1ea3m oxy h\u00f2a tan v\u00e0 t\u00edch t\u1ee5 kh\u00ed \u0111\u1ed9c NH3<\/sub> v\u00e0 H2<\/sub>S trong n\u01b0\u1edbc s\u1ebd l\u00e0m gi\u1ea3m s\u1ef1 th\u00e8m \u0103n c\u1ee7a c\u00e1, g\u00e2y c\u0103ng th\u1eb3ng, v\u00e0 cu\u1ed1i c\u00f9ng d\u1eabn \u0111\u1ebfn c\u00e1 b\u1ec7nh, ch\u1ebft.<\/p>\n

2. R\u1ee7i ro do kh\u00f4 h\u1ea1n<\/h3>\n

Trong m\u00f9a h\u1ea1n, n\u00f4ng d\u00e2n th\u01b0\u1eddng g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1ed5 sung n\u01b0\u1edbc cho ao c\u1ee7a m\u00ecnh. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t \u0111\u00fang \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi c\u00f3 ao \u1edf khu v\u1ef1c k\u00eanh, m\u01b0\u01a1ng nh\u1ecf xa c\u00e1c nh\u00e1nh s\u00f4ng l\u1edbn. C\u00e1c ao nu\u00f4i c\u00e1 c\u00f3 di\u1ec7n t\u00edch l\u1edbn d\u1ec5 g\u1eb7p r\u1ee7i ro h\u01a1n v\u00ec c\u00f3 \u00edt n\u01b0\u1edbc b\u1ed5 sung v\u00e0o ao h\u01a1n. Nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed cao s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u00e0nh ph\u1ea7n c\u1ee7a n\u01b0\u1edbc, do \u0111\u00f3 l\u00e0m t\u0103ng s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a t\u1ea3o c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc. Ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc k\u00e9m \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c m\u00f4i tr\u01b0\u1eddng s\u1ed1ng kh\u00f4ng ph\u00f9 h\u1ee3p, c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1 b\u1ecb c\u0103ng th\u1eb3ng, y\u1ebfu \u1edbt v\u00e0 cu\u1ed1i c\u00f9ng ch\u1ebft.<\/p>\n

3. R\u1ee7i ro do ch\u1ea5t b\u1ea9n, \u00f4 nhi\u1ec5m v\u00e0o ngu\u1ed3n n\u01b0\u1edbc v\u00e0 v\u00e0o ao<\/h3>\n

Nh\u1eefng c\u01a1n m\u01b0a \u0111\u1ea7u m\u00f9a s\u1ebd l\u00f4i cu\u1ed1n c\u00e1c ch\u1ea5t b\u1ea9n, \u00f4 nhi\u1ec5m, vi sinh v\u1eadt t\u00edch t\u1ee5 l\u00e2u ng\u00e0y do kh\u00f4 h\u1ea1n nh\u01b0 b\u00f9n \u0111\u1ea5t, kh\u00ed \u0111\u1ed9c, vi khu\u1ea9n c\u00f3 h\u1ea1i trong c\u1ed1ng r\u00e3nh, h\u00f3a ch\u1ea5t, thu\u1ed1c tr\u1eeb s\u00e2u d\u00f9ng cho c\u00e2y tr\u1ed3ng v\u00e0o k\u00eanh m\u01b0\u01a1ng, ngu\u1ed3n n\u01b0\u1edbc chung. T\u00e1c \u0111\u1ed9ng n\u00e0y s\u1ebd r\u00f5 r\u00e0ng h\u01a1n khi nh\u1eefng c\u01a1n m\u01b0a l\u1edbn b\u1ea5t th\u01b0\u1eddng trong l\u00fac giao m\u00f9a n\u1eafng m\u01b0a s\u1ebd k\u00e9o \u0111\u1ed3ng lo\u1ea1t c\u00e1c ch\u1ea5t \u0111\u1ed9c v\u00e0 vi khu\u1ea9n \u0111\u1ed9c h\u1ea1i v\u00e0o ngu\u1ed3n n\u01b0\u1edbc chung. Ch\u1ea5t b\u1ea9n nhi\u1ec5m v\u00e0o n\u01b0\u1edbc v\u00e0 vi khu\u1ea9n sinh s\u00f4i n\u1ea3y n\u1edf nhanh khi c\u00f3 ngu\u1ed3n n\u01b0\u1edbc m\u1edbi s\u1ebd l\u00e0m oxy h\u00f2a tan gi\u1ea3m nhanh. \u0110i\u1ec1u n\u00e0y gi\u1ea3i th\u00edch t\u1ea1i sao c\u00e1 trong k\u00eanh, s\u00f4ng hay b\u1ecb ch\u1ebft \u0111\u1ed3ng lo\u1ea1t sau nh\u1eefng c\u01a1n m\u01b0a \u0111\u1ea7u m\u00f9a do thi\u1ebfu oxy v\u00e0 kh\u00ed \u0111\u1ed9c, ch\u1ea5t \u00f4 nhi\u1ec5m t\u0103ng \u0111\u1ed9t ng\u1ed9t trong n\u01b0\u1edbc.<\/p>\n

4. R\u1ee7i ro do b\u1ec7nh c\u00e1<\/h3>\n

\u0110i\u1ec1u ki\u1ec7n kh\u00f4 h\u1ea1n l\u00e0m t\u0103ng nguy c\u01a1 m\u1eafc m\u1ed9t s\u1ed1 b\u1ec7nh tr\u00ean c\u00e1. C\u00e1c b\u1ec7nh trong m\u00f9a n\u1eafng n\u00f3ng bao g\u1ed3m xu\u1ea5t huy\u1ebft do Aeromonas sp., k\u00fd sinh s\u00e1n l\u00e1 v\u00e0 tr\u00f9ng b\u00e1nh xe tr\u00ean mang v\u00e0 da c\u00e1. B\u1ea5t k\u1ef3 nguy\u00ean nh\u00e2n g\u00e2y c\u0103ng th\u1eb3ng n\u00e0o c\u0169ng s\u1ebd khi\u1ebfn c\u00e1c b\u1ec7nh n\u00e0y d\u1ec5 x\u1ea3y ra h\u01a1n. C\u00e1c b\u1ec7nh do k\u00fd sinh tr\u00f9ng bao g\u1ed3m k\u00fd sinh tr\u00f9ng \u1edf mang c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh v\u1ea5n \u0111\u1ec1 l\u1edbn do c\u00e1 s\u1ed1ng ch\u1eadt ch\u1ed9i trong c\u00e1c ao nh\u1ecf h\u01a1n. C\u00e1c vi khu\u1ea9n lu\u00f4n c\u00f3 s\u1eb5n trong n\u01b0\u1edbc thu\u1ed9c gi\u1ed1ng Aeromonas th\u01b0\u1eddng g\u00e2y b\u1ec7nh khi oxy trong n\u01b0\u1edbc h\u00f2a tan gi\u1ea3m, c\u00e1 c\u0103ng th\u1eb3ng do m\u1eadt \u0111\u1ed9 d\u00e0y, c\u00e1 b\u1ecb t\u1ed5n th\u01b0\u01a1ng tr\u00ean da v\u00e0 mang do k\u00fd sinh tr\u00f9ng hay do ph\u00e2n c\u1ee1, chuy\u1ec3n ao hay m\u1edbi v\u1eadn chuy\u1ec3n c\u00e1 gi\u1ed1ng v\u1ec1 th\u1ea3 v\u00e0o ao, b\u00e8.<\/p>\n

B. C\u00e1c bi\u1ec7n ph\u00e1p gi\u00fap gi\u1ea3m thi\u1ec3u r\u1ee7i ro li\u00ean quan \u0111\u1ebfn giai \u0111o\u1ea1n chuy\u1ec3n m\u00f9a<\/h2>\n

1. Qu\u1ea1t n\u01b0\u1edbc, s\u1ee5c kh\u00ed cho ao:<\/h3>\n

Oxy h\u00f2a tan trong ao \u0111\u01b0\u1ee3c bi\u1ebft l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t trong c\u00e1c ch\u1ec9 ti\u00eau h\u00f3a h\u1ecdc c\u1ee7a n\u01b0\u1edbc \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 s\u1ef1 s\u1ed1ng c\u1ee7a c\u00e1. Th\u00f4ng th\u01b0\u1eddng ai c\u0169ng bi\u1ebft r\u1eb1ng s\u1ee5c kh\u00ed v\u00e0o n\u01b0\u1edbc l\u00e0 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 c\u1ea3i thi\u1ec7n l\u01b0\u1ee3ng oxy h\u00f2a tan v\u00e0 h\u01a1n n\u1eefa l\u00e0 th\u00fac \u0111\u1ea9y s\u1ef1 l\u01b0u th\u00f4ng c\u1ee7a n\u01b0\u1edbc. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 t\u0103ng h\u00e0m l\u01b0\u1ee3ng oxy bao g\u1ed3m s\u1eed d\u1ee5ng m\u00e1y s\u1ee5c kh\u00ed ho\u1eb7c qu\u1ea1t n\u01b0\u1edbc; c\u1ea3 hai \u0111\u1ec1u c\u00f2n gi\u00fap l\u00e0m gi\u1ea3m t\u00edch t\u1ee5 carbon dioxide trong n\u01b0\u1edbc.<\/p>\n

Nguy c\u01a1 thi\u1ebfu oxy trong n\u01b0\u1edbc ao nu\u00f4i t\u0103ng l\u00ean khi th\u1eddi ti\u1ebft kh\u00f4, n\u00f3ng. N\u01b0\u1edbc c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao gi\u1eef \u00edt oxy h\u01a1n so v\u1edbi n\u01b0\u1edbc m\u00e1t h\u01a1n. T\u1ea3o ph\u00e1t tri\u1ec3n nhi\u1ec1u h\u01a1n \u1edf v\u00f9ng n\u01b0\u1edbc n\u00f4ng, \u1ea5m. M\u1eb7c d\u00f9 t\u1ea3o t\u1ea1o ra oxy v\u00e0o ban ng\u00e0y nh\u01b0ng ch\u00fang ti\u00eau th\u1ee5 oxy v\u00e0o ban \u0111\u00eam v\u00e0 khi tr\u1eddi nhi\u1ec1u m\u00e2y. \u00c1nh s\u00e1ng m\u1eb7t tr\u1eddi, khi c\u01b0\u1eddng \u0111\u1ed9 cao, c\u00f3 th\u1ec3 l\u00e0m t\u1ea3o n\u1edf hoa sau \u0111\u00f3 ch\u1ebft \u0111i \u0111\u1ed3ng lo\u1ea1t t\u1ea1o ra s\u1ef1 suy gi\u1ea3m oxy trong n\u01b0\u1edbc. M\u1eadt \u0111\u1ed9 c\u1ee7a c\u00e1 s\u1ebd tr\u1edf n\u00ean d\u00e0y h\u01a1n khi m\u1ef1c n\u01b0\u1edbc ao gi\u1ea3m v\u00e0 s\u1ebd l\u00e0m t\u0103ng nhu c\u1ea7u cho oxy cho th\u1ec3 t\u00edch n\u01b0\u1edbc ao.<\/p>\n

C\u00e1c thi\u1ebft b\u1ecb s\u1ee5c kh\u00ed c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 c\u00e1 trong ao khi tr\u1eddi n\u1eafng d\u00e0i ng\u00e0y. Gi\u1ea3i ph\u00e1p \u0111\u01a1n gi\u1ea3n l\u00e0 mua m\u1ed9t m\u00e1y s\u1ee5c kh\u00ed \u0111i\u1ec7n cung c\u1ea5p kho\u1ea3ng 0,2 m\u00e3 l\u1ef1c nh\u1eb1m s\u1ee5c kh\u00ed hi\u1ec7u qu\u1ea3 tr\u00ean 1000 m2<\/sup> di\u1ec7n t\u00edch ao. V\u1eadn h\u00e0nh m\u00e1y s\u1ee5c kh\u00ed khi c\u1ea7n thi\u1ebft trong \u0111\u00eam, s\u00e1ng s\u1edbm v\u00e0 l\u00fac n\u01b0\u1edbc \u0111\u1ee9ng gi\u00fap ph\u1ea7n n\u00e0o ti\u1ebft ki\u1ec7m d\u1ea7u, \u0111i\u1ec7n ch\u1ea1y m\u00e1y nh\u01b0ng v\u1eabn c\u1ea3i thi\u1ec7n ph\u1ea7n n\u00e0o ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 s\u1ee9c kh\u1ecfe c\u1ee7a c\u00e1 trong ao b\u00e8. C\u00e1c gi\u1ea3i ph\u00e1p s\u1ee5c kh\u00ed kh\u00e1c c\u00f3 th\u1ec3 bao g\u1ed3m m\u00e1y qu\u1ea1t n\u01b0\u1edbc. M\u00e1y qu\u1ea1t n\u01b0\u1edbc c\u00f3 th\u1ec3 c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tu\u1ea7n ho\u00e0n n\u01b0\u1edbc ao. N\u01b0\u1edbc n\u00ean \u0111\u01b0\u1ee3c qu\u1ea1t b\u1eafn v\u00e0o kh\u00f4ng kh\u00ed \u00edt nh\u1ea5t \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 cao 0,6 m \u0111\u1ec3 t\u0103ng h\u00e0m l\u01b0\u1ee3ng oxy khu\u1ebfch t\u00e1n v\u00e0o n\u01b0\u1edbc.<\/p>\n

D\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o v\u1ec1 t\u00ecnh tr\u1ea1ng c\u1ea1n ki\u1ec7t oxy:<\/strong><\/em><\/p>\n

    \n
  • Ki\u1ec3m tra ao, b\u00e8 l\u00e0 vi\u1ec7c \u0111\u1ea7u ti\u00ean n\u00ean l\u00e0m v\u00e0o bu\u1ed5i s\u00e1ng l\u00fac 6h. \u0110\u00e2y l\u00e0 th\u1eddi \u0111i\u1ec3m l\u01b0\u1ee3ng oxy h\u00f2a tan th\u1ea5p nh\u1ea5t.<\/li>\n
  • Theo d\u00f5i s\u1ef1 thay \u0111\u1ed5i m\u00e0u s\u1eafc c\u1ee7a n\u01b0\u1edbc ao. S\u1ef1 thay \u0111\u1ed5i t\u1eeb xanh l\u1ee5c sang n\u00e2u ho\u1eb7c x\u00e1m c\u00f3 th\u1ec3 cho th\u1ea5y t\u1ea3o ch\u1ebft v\u00e0 suy gi\u1ea3m oxy s\u1ebd x\u1ea3y ra trong 24 \u0111\u1ebfn 48 gi\u1edd sau \u0111\u00f3.<\/li>\n
  • Th\u1eddi ti\u1ebft nhi\u1ec1u m\u00e2y l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng \u00e1nh s\u00e1ng cho qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t oxy t\u1eeb t\u1ea3o. Hai ho\u1eb7c ba ng\u00e0y th\u1eddi ti\u1ebft c\u00f3 nhi\u1ec1u m\u00e2y c\u00f3 th\u1ec3 l\u00e0m thi\u1ebfu oxy v\u00e0o ng\u00e0y h\u00f4m sau.<\/li>\n
  • Gi\u00f3 l\u1edbn c\u00f3 th\u1ec3 l\u00e0m cho ao c\u1ea1n b\u1ecb tr\u1ed9n l\u1eabn n\u01b0\u1edbc trong c\u00e1c t\u1ea7ng n\u01b0\u1edbc kh\u00e1c nhau. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t nguy hi\u1ec3m khi t\u1ea3o n\u1edf hoa d\u00e0y \u0111\u1eb7c.<\/li>\n
  • Theo d\u00f5i t\u00ecnh tr\u1ea1ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng b\u1eaft m\u1ed3i c\u1ee7a c\u00e1 \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c d\u1ea5u hi\u1ec7u c\u1ee7a oxy th\u1ea5p ho\u1eb7c b\u1ec7nh c\u00e1. Khi c\u00e1 \u0111\u01b0\u1ee3c cho \u0103n th\u1ee9c \u0103n vi\u00ean n\u1ed5i, ch\u00fang s\u1ebd ng\u1eebng b\u1eaft m\u1ed3i khi oxy th\u1ea5p.<\/li>\n
  • C\u00e1 s\u1ebd n\u1ed5i l\u00ean m\u1eb7t n\u01b0\u1edbc v\u00e0o bu\u1ed5i s\u00e1ng v\u00e0 \u0111\u1edbp kh\u00f4ng kh\u00ed khi s\u1ef1 suy gi\u1ea3m oxy b\u1eaft \u0111\u1ea7u. Ngay l\u1eadp t\u1ee9c b\u1eadt qu\u1ea1t n\u01b0\u1edbc hay s\u1ee5c kh\u00ed.<\/li>\n<\/ul>\n

    2. C\u1ea5p n\u01b0\u1edbc:<\/h3>\n

    Ng\u01b0\u1eddi nu\u00f4i n\u00ean c\u00e2n nh\u1eafc vi\u1ec7c b\u1ed5 sung ngu\u1ed3n n\u01b0\u1edbc trong ao c\u1ee7a h\u1ecd th\u01b0\u1eddng xuy\u00ean khi c\u1ea7n thi\u1ebft, v\u00e0 ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng sinh v\u1eadt ph\u00f9 du \u0111\u1ec3 ch\u00fang kh\u00f4ng ph\u00e1t tri\u1ec3n qu\u00e1 nhi\u1ec1u. Theo \u0111\u00f3, \u0111\u1ed9 trong c\u1ee7a n\u01b0\u1edbc \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn l\u00e0 30 cm tr\u00ean \u0111\u0129a secchi. N\u1ebfu c\u00f3 qu\u00e1 nhi\u1ec1u sinh v\u1eadt ph\u00f9 du (\u0111\u1ed9 trong < 20 cm tr\u00ean \u0111\u0129a secchi), \u0111i\u1ec1u n\u00e0y s\u1ebd d\u1eabn \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 thi\u1ebfu oxy nghi\u00eam tr\u1ecdng (d\u01b0\u1edbi 1 miligam \/l\u00edt), g\u00e2y nguy hi\u1ec3m cho s\u1ef1 s\u1ed1ng c\u1ee7a c\u00e1.<\/p>\n

    3. Ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng th\u1ee9c \u0103n cho \u0103n:<\/h3>\n

    L\u01b0\u1ee3ng th\u1ee9c \u0103n d\u01b0 th\u1eeba s\u1ebd \u0111\u01b0a ch\u1ea5t th\u1ea3i v\u00e0 NH3 v\u00e0o n\u01b0\u1edbc. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c c\u00e1 b\u1ecb c\u0103ng th\u1eb3ng v\u00e0 c\u00f3 th\u1ec3 ch\u1ebft. Khi kh\u00f4ng th\u1ec3 thay n\u01b0\u1edbc ho\u1eb7c trong th\u1eddi gian nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc gi\u1ea3m \u0111\u1ed9t ng\u1ed9t do m\u01b0a l\u1edbn b\u1ea5t th\u01b0\u1eddng, c\u00e1 c\u00f3 xu h\u01b0\u1edbng gi\u1ea3m \u0103n; v\u00e0 do v\u1eady, vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh gi\u1ea3m l\u01b0\u1ee3ng th\u1ee9c \u0103n cho \u0103n ph\u00f9 h\u1ee3p s\u1ebd r\u1ea5t c\u00f3 l\u1ee3i.<\/p>\n

    4. Xem x\u00e9t l\u1eadp k\u1ebf ho\u1ea1ch s\u1ea3n l\u01b0\u1ee3ng:<\/h3>\n

    S\u1ea3n l\u01b0\u1ee3ng trong m\u1ed7i v\u1ee5 nu\u00f4i hay \u0111\u1ee3t s\u1ea3n xu\u1ea5t c\u00e1 gi\u1ed1ng c\u1ea7n \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n nh\u1eb1m gi\u1ea3m thi\u1ec3u nh\u1eefng r\u1ee7i ro li\u00ean quan \u0111\u1ebfn m\u00f9a \u0111ang nu\u00f4i c\u00e1 cho d\u00f9 \u0111\u00f3 l\u00e0 m\u00f9a l\u0169 l\u1ee5t ho\u1eb7c h\u1ea1n h\u00e1n. N\u00ean c\u1eaft gi\u1ea3m \u00bc s\u1ea3n l\u01b0\u1ee3ng trong nh\u1eefng kho\u1ea3ng th\u1eddi gian kh\u00f4 h\u1ea1n v\u00e0 giao m\u00f9a.<\/p>\n

    5. C\u00e2n nh\u1eafc vi\u1ec7c th\u1ea3 c\u00e1 gi\u1ed1ng:<\/h3>\n

    N\u00ean th\u1ea3 c\u00e1 gi\u1ed1ng c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn \u0111\u1ec3 gi\u1ea3m t\u1ef7 l\u1ec7 c\u00e1 hao h\u1ee5t sau khi th\u1ea3 nu\u00f4i, gi\u1ea3m t\u1ed5ng th\u1eddi gian nu\u00f4i, ho\u1eb7c th\u1ea3 c\u00e1 v\u1edbi m\u1eadt \u0111\u1ed9 th\u1ea5p h\u01a1n. B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng nh\u01b0 v\u1eady, ao c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng s\u1ebd cho ra c\u00e1 ch\u1ea5t l\u01b0\u1ee3ng cao h\u01a1n, do \u0111\u00f3, thu \u0111\u01b0\u1ee3c l\u1ee3i nhu\u1eadn t\u1ed1t h\u01a1n.<\/p>\n

    6. \u0110\u1ed1i v\u1edbi b\u00e8 nu\u00f4i:<\/h3>\n

    Ng\u01b0\u1eddi nu\u00f4i c\u1ea7n b\u1ed1 tr\u00ed tr\u00e1nh n\u1eafng chi\u1ebfu gay g\u1eaft tr\u1ef1c ti\u1ebfp b\u1eb1ng h\u1ec7 th\u1ed1ng l\u01b0\u1edbi m\u00e0ng, b\u1ea1t d\u1ec5 thao t\u00e1c v\u00e0 th\u00e1o l\u1eafp.<\/p>\n

    7. Ch\u0103m s\u00f3c nu\u00f4i d\u01b0\u1ee1ng:<\/h3>\n

    Kh\u1ea9u ph\u1ea7n \u0103n \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng, ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1 l\u00e0 y\u00eau c\u1ea7u quan tr\u1ecdng. \u0110\u1ed3ng th\u1eddi b\u1ed5 sung th\u00eam GREEN-HEAL, GREEN-ANTISTRESS, GREEN-PROBI \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 th\u1ee9c \u0103n nh\u1eb1m n\u00e2ng cao s\u1ee9c \u0111\u1ec1 kh\u00e1ng v\u1eadt nu\u00f4i. \u0110i\u1ec1u n\u00e0y gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng c\u00e1 \u0111i ph\u00e2n s\u1ed1ng hay x\u1ea3y ra trong th\u1eddi k\u1ef3 n\u1eafng n\u00f3ng.<\/p>\n

    8. C\u00f4ng t\u00e1c v\u1ec7 sinh ti\u00eau \u0111\u1ed9c kh\u1eed tr\u00f9ng:<\/h3>\n

    H\u1eb1ng ng\u00e0y ph\u1ea3i v\u1ec7 sinh s\u1ea1ch s\u1ebd t\u1eeb trong ra ngo\u00e0i b\u00e8, xung quanh ao nu\u00f4i. D\u1ecdn d\u1eb9p l\u1ee5c b\u00ecnh v\u01b0\u1edbng quanh b\u00e8, v\u1edbt b\u1ecf x\u00e1c c\u00e1 ch\u1ebft v\u00e0o n\u01a1i quy \u0111\u1ecbnh, v\u1edbt s\u1ea1ch r\u00e1c, v\u1ecf chai l\u1ecd thu\u1ed1c, v\u1ecf bao th\u1ee9c \u0103n trong ao v\u00e0 tr\u00ean k\u00eanh m\u01b0\u01a1ng. Ch\u00e0 b\u1ea1t b\u1ec3 \u1ebfch th\u01b0\u1eddng xuy\u00ean.<\/p>\n

    9. Ch\u0103m s\u00f3c, qu\u1ea3n l\u00fd:<\/h3>\n

    H\u1eb1ng ng\u00e0y theo d\u00f5i s\u1ee9c kh\u1ecfe \u0111\u00e0n c\u00e1 nu\u00f4i, ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1 nu\u00f4i c\u00f3 bi\u1ec3u hi\u1ec7n b\u1ea5t th\u01b0\u1eddng \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb k\u1ecbp th\u1eddi. N\u1ebfu s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf c\u00e1 b\u1ecb b\u1ec7nh nh\u01b0ng kh\u00f4ng th\u1ea5y bi\u1ec3u hi\u1ec7n l\u00e2y lan th\u00ec \u00e1p d\u1ee5ng ngay c\u1ea5p thu\u1ed1c tr\u1ee3 s\u1ee9c, tr\u1ee3 l\u1ef1c qua th\u1ee9c \u0103n nh\u01b0 GREEN-AQUA-C v\u00e0 \u0111i\u1ec1u ch\u1ec9nh, c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc. Tr\u01b0\u1eddng h\u1ee3p th\u1ea5y c\u00e1 c\u00f3 tri\u1ec7u ch\u1ee9ng b\u1ec7nh n\u1eb7ng, l\u00e2y lan nhanh, s\u1ed1 l\u01b0\u1ee3ng ch\u1ebft t\u0103ng d\u1ea7n h\u1eb1ng ng\u00e0y kh\u00f3 ki\u1ec3m so\u00e1t, c\u1ea7n b\u00e1o ngay cho ng\u01b0\u1eddi c\u00f3 chuy\u00ean m\u00f4n v\u00e0 tr\u00e1ch nhi\u1ec7m \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn x\u1eed l\u00fd k\u1ecbp th\u1eddi.<\/p>\n

    Kh\u00f4ng n\u00ean t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn \u0111\u00e0n c\u00e1 nh\u01b0 v\u1eadn chuy\u1ec3n c\u00e1, chuy\u1ec3n ao, ph\u00e2n c\u1ee1 v\u00e0o nh\u1eefng ng\u00e0y th\u1eddi ti\u1ebft nhi\u1ec1u m\u00e2y \u00e2m u, sau c\u01a1n m\u01b0a, l\u00fac c\u00e1 \u0111ang b\u1eaft m\u1ed3i y\u1ebfu. Tr\u01b0\u1edbc khi t\u00e1c \u0111\u1ed9ng v\u00e0o \u0111\u00e0n c\u00e1 n\u00ean t\u0103ng c\u01b0\u1eddng s\u1ee9c \u0111\u1ec1 kh\u00e1ng b\u1ec7nh cho c\u00e1 b\u1eb1ng c\u00e1ch b\u1ed5 sung GREEN-AQUA-C li\u1ec1u 100 g\/t\u1ea5n c\u00e1\/ng\u00e0y li\u00ean t\u1ee5c trong 5 – 7 ng\u00e0y. Th\u00eam v\u00e0o \u0111\u00f3 lu\u00f4n ghi nh\u1edb c\u1eaft m\u1ed3i ho\u00e0n to\u00e0n 2 \u2013 3 c\u1eef cho \u0103n tr\u01b0\u1edbc v\u00e0 sau khi t\u00e1c \u0111\u1ed9ng v\u00e0o \u0111\u00e0n c\u00e1. Khi b\u1eaft \u0111\u1ea7u cho c\u00e1 \u0103n l\u1ea1i n\u00ean cho \u0103n v\u1edbi l\u01b0\u1ee3ng t\u0103ng d\u1ea7n t\u1eeb 20 \u2013 100 % l\u01b0\u1ee3ng \u0103n trong 3 \u2013 4 ng\u00e0y.<\/p>\n

    N\u1ebfu nghi ng\u1edd n\u01b0\u1edbc nhi\u1ec5m thu\u1ed1c tr\u1eeb s\u00e2u, kh\u00f4ng n\u00ean c\u1ea5p n\u01b0\u1edbc v\u00e0o ao. N\u1ebfu th\u1ec3 t\u00edch n\u01b0\u1edbc c\u1ea7n s\u1eed d\u1ee5ng kh\u00f4ng qu\u00e1 l\u1edbn, c\u00f3 th\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc b\u1eb1ng GREEN-GLUTACIDE li\u1ec1u 1 lit\/3.000m3<\/sup> tr\u01b0\u1edbc khi c\u1ea5p cho b\u1ec3 h\u01b0\u01a1ng hay gi\u1ed1ng, sau khi di\u1ec7t khu\u1ea9n 24 gi\u1edd n\u00ean b\u1ed5 sung l\u1ea1i h\u1ec7 vi sinh c\u00f3 l\u1ee3i b\u1eb1ng GREEN-BAC.<\/p>\n

    Theo d\u00f5i tin t\u1ee9c d\u1ef1 b\u00e1o th\u1eddi ti\u1ebft h\u1eb1ng ng\u00e0y. Tr\u01b0\u1edbc nh\u1eefng ng\u00e0y \u0111\u01b0\u1ee3c d\u1ef1 b\u00e1o c\u00f3 m\u01b0a to n\u00ean r\u1ea3i v\u00f4i CaCO3<\/sub> \u0111\u1ec1u kh\u1eafp b\u1edd ao v\u1edbi l\u01b0\u1ee3ng 20 \u2013 25 kg t\u00ednh cho di\u1ec7n t\u00edch 1.000 m2<\/sup> m\u1eb7t n\u01b0\u1edbc ao.<\/p>\n

    H\u00fat b\u00f9n \u0111\u00e1y ao \u0111\u01b0\u1ee3c xem l\u00e0 bi\u1ec7n ph\u00e1p quan tr\u1ecdng trong qu\u1ea3n l\u00fd m\u00f4i tr\u01b0\u1eddng ao nu\u00f4i. Vi\u1ec7c h\u00fat b\u00f9n \u0111\u00e1y ao s\u1ebd duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc t\u1ed1t, c\u00e1 kh\u1ecfe \u00edt hao h\u1ee5t do b\u1ec7nh n\u00ean gi\u00fap gi\u1ea3m c\u00e1c chi ph\u00ed s\u1eed d\u1ee5ng thu\u1ed1c h\u00f3a ch\u1ea5t trong ph\u00f2ng tr\u1ecb b\u1ec7nh.<\/p>\n

    C. C\u00e1c b\u1ec7nh th\u01b0\u1eddng g\u1eb7p trong m\u00f9a n\u1eafng n\u00f3ng v\u00e0 giao m\u00f9a<\/h2>\n

    B\u1ec6NH L\u1ed2I M\u1eaeT, TR\u01af\u1edaNG B\u1ee4NG TR\u00caN C\u00c1 R\u00d4 PHI, DI\u00caU H\u1ed2NG; \u0110\u1ee4C M\u1eaeT QU\u1eb8O C\u1ed4 TR\u00caN \u1ebeCH<\/strong><\/p>\n

    T\u00e1c<\/u> nh\u00e2n g\u00e2y b\u1ec7nh: <\/u><\/strong><\/p>\n

    B\u1ec7nh do li\u00ean c\u1ea7u khu\u1ea9n Streptococcus sp. g\u00e2y ra<\/em>. B\u1ec7nh th\u01b0\u1eddng x\u1ea3y ra h\u01a1n v\u00e0 g\u00e2y hao h\u1ee5t c\u00e1, \u1ebfch nhi\u1ec1u v\u00e0o m\u00f9a c\u00f3 nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc cao (th\u00e1ng 3-8), khi h\u00e0m l\u01b0\u1ee3ng oxy ho\u00e0 tan trong n\u01b0\u1edbc th\u1ea5p, c\u00e1 nu\u00f4i v\u1edbi m\u1eadt th\u1ea3 cao v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng c\u00e1 t\u1eeb 100g tr\u1edf l\u00ean. B\u1ec7nh x\u1ea3y ra g\u00e2y thi\u1ec7t h\u1ea1i nghi\u00eam tr\u1ecdng cho ng\u01b0\u1eddi nu\u00f4i (m\u1ed7i \u0111\u1ee3t b\u1ec7nh k\u00e9o d\u00e0i t\u1ef7 l\u1ec7 hao h\u1ee5t l\u00ean \u0111\u1ebfn 50-70%). Th\u00f4ng tin sau s\u1ebd gi\u00fap ng\u01b0\u1eddi nu\u00f4i hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 b\u1ec7nh n\u00e0y t\u1eeb \u0111\u00f3 c\u00f3 c\u00e1ch ph\u00f2ng tr\u1ecb.<\/p>\n

    B\u1ec7nh g\u00e2y ch\u1ebft c\u00e1, \u1ebfch nhi\u1ec1u nh\u1ea5t trong c\u00e1c th\u00e1ng nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc cao (th\u00e1ng 4-7). C\u00e1 b\u1ec7nh nhi\u1ec1u trong giai \u0111o\u1ea1n tr\u1ecdng l\u01b0\u1ee3ng 100 \u2013 500 g\/con. S\u1ed1 l\u01b0\u1ee3ng c\u00e1 ch\u1ebft h\u1eb1ng ng\u00e0y kh\u00f4ng t\u0103ng nhanh \u0111\u1ed9t bi\u1ebfn tuy nhi\u00ean s\u1ed1 ng\u00e0y c\u00e1 ch\u1ebft k\u00e9o d\u00e0i 3-4 tu\u1ea7n n\u1ebfu kh\u00f4ng \u0111i\u1ec1u tr\u1ecb. S\u1ed1 c\u00e1 hao m\u1ed7i ng\u00e0y trong m\u1ed9t b\u00e8 c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn v\u00e0i ch\u1ee5c \u0111\u1ebfn v\u00e0i tr\u0103m con. C\u00e1 b\u1ec7nh b\u01a1i xoay v\u00f2ng, m\u1eaft l\u1ed3i, gi\u00e1c m\u1ea1c m\u1eaft \u0111\u1ee5c, b\u1ee5ng tr\u01b0\u1edbng to b\u00ean trong xoang b\u1ee5ng ch\u1ee9a \u0111\u1ea7y d\u1ecbch xoang b\u1ee5ng trong su\u1ed1t. Gan nh\u1ea1t m\u00e0u, l\u00e1ch s\u01b0ng r\u1ea5t to, th\u1eadn s\u01b0ng to. \u1ebech b\u1ec7nh c\u00f3 bi\u1ec3u hi\u1ec7n \u0111\u1ee5c m\u1eaft, qu\u1eb9o c\u1ed5 do li\u1ec7t c\u01a1. C\u00e1, \u1ebfch c\u00f3 th\u1ec3 b\u1ecb xu\u1ea5t huy\u1ebft nh\u1eb9 hay kh\u00f4ng b\u1ecb xu\u1ea5t huy\u1ebft. N\u1ebfu xu\u1ea5t huy\u1ebft n\u1eb7ng c\u00e1 c\u00f3 th\u1ec3 \u0111\u00e3 b\u1ecb b\u1ed9i nhi\u1ec5m th\u00eam vi khu\u1ea9n Aeromonas<\/em> g\u00e2y b\u1ec7nh xu\u1ea5t huy\u1ebft.<\/p>\n

    \"C\u00e1

    C\u00e1 di\u00eau h\u1ed3ng b\u1ec7nh l\u1ed3i m\u1eaft do Streptococcus<\/p><\/div>\n

     <\/p>\n

    \"\u1ebech

    \u1ebech \u0111\u1ee5c m\u1eaft, qu\u1eb9o c\u1ed5 do Streptococcus<\/p><\/div>\n

    Ph\u00f2ng b\u1ec7nh<\/u><\/strong><\/p>\n

    \u0110\u1ecbnh k\u1ef3 s\u1ed5 k\u00fd sinh tr\u00f9ng s\u00e1n l\u00e1 mang b\u1eb1ng GREEN-PRAZI 15 ng\u00e0y\/l\u1ea7n, m\u1ed7i l\u1ea7n hai ng\u00e0y li\u00ean t\u1ee5c. X\u1eed l\u00fd tr\u00f9ng b\u00e1nh xe b\u1eb1ng GREEN-GLUTACIDE 10-15 ng\u00e0y\/l\u1ea7n, m\u1ed7i l\u1ea7n hai ng\u00e0y li\u00ean t\u1ee5c, sau khi 24 gi\u1edd c\u1ea7n b\u1ed5 sung GREEN-BAC \u0111\u1ec3 ph\u1ee5c h\u1ed3i h\u1ec7 vi sinh c\u00f3 l\u1ee3i trong ao. B\u1ed5 sung vitamin, kho\u00e1ng v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m t\u0103ng c\u01b0\u1eddng s\u1ee9c \u0111\u1ec1 kh\u00e1ng nh\u01b0 GREEN-ANTISTRESS v\u00e0 GREEN-MINERALS. \u0110\u1ecbnh k\u1ef3 15 ng\u00e0y t\u1ea1t GREEN IOD LIQ 1 l\u1ea7n\/ng\u00e0y li\u00ean t\u1ee5c trong 2-3 ng\u00e0y n\u1ebfu nu\u00f4i trong ao.<\/p>\n

    Trong \u0111i\u1ec1u ki\u1ec7n n\u01b0\u1edbc \u0111\u1ee9ng, l\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y th\u1ea5p v\u1edbi c\u00e1c b\u00e8 \u0111\u1eb7t \u1edf cu\u1ed1i d\u00f2ng ch\u1ea3y th\u00ec n\u00ean m\u1edf s\u1ee5c kh\u00ed cho ch\u1ea1y \u0111\u1ebfn khi l\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y b\u00ecnh th\u01b0\u1eddng tr\u1edf l\u1ea1i.<\/p>\n

    Tr\u00e1nh \u0111\u1ec3 nh\u1eefng t\u1ea3ng l\u1ee5c b\u00ecnh t\u1ea5p v\u00e0o b\u00e8 g\u00e2y c\u1ea3n tr\u1edf d\u00f2ng ch\u1ea3y. Thay 100% n\u01b0\u1edbc b\u1ec3 \u1ebfch ng\u00e0y hai l\u1ea7n k\u1ebft h\u1ee3p ch\u00e0 b\u1ec3.<\/p>\n

    Ki\u1ec3m tra s\u00e1n l\u00e1 mang th\u01b0\u1eddng xuy\u00ean.<\/p>\n

    Cho c\u00e1 \u0103n tr\u00ean khu v\u1ef1c r\u1ed9ng h\u01a1n tr\u00e1nh cho c\u00e1 tranh \u0103n v\u1edbi s\u1ed1 l\u01b0\u1ee3ng qu\u00e1 l\u1edbn trong khu v\u1ef1c nh\u1ecf<\/p>\n

    N\u1ebfu th\u1ea3 c\u00e1 v\u00e0o v\u1ee5 hai (th\u00e1ng 8-10), m\u1eadt \u0111\u1ed9 th\u1ea3 nu\u00f4i n\u00ean th\u1ea5p h\u01a1n 20-30% so v\u1edbi v\u1ee5 m\u1ed9t (th\u00e1ng 3-5).<\/p>\n

    \u0110i\u1ec1u tr\u1ecb:<\/u><\/strong><\/p>\n

    Gi\u1ea3m cho \u0103n. Cho \u0103n v\u1edbi m\u1ee9c 30-50 % tr\u1ecdng l\u01b0\u1ee3ng th\u00e2n. N\u1ebfu nu\u00f4i c\u00e1 r\u00f4 phi trong ao th\u1ea5y ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc k\u00e9m hay \u00edt c\u00f3 n\u01b0\u1edbc m\u1edbi \u0111\u1ec3 thay n\u01b0\u1edbc c\u00f3 t\u1ea1t GREEN-IODLIQ 1 l\u1ea7n\/ng\u00e0y li\u00ean t\u1ee5c trong 3-4 ng\u00e0y, sau 24 gi\u1edd c\u1ee7a l\u1ea7n x\u1eed l\u00fd cu\u1ed1i c\u00f9ng n\u00ean b\u1ed5 sung GREEN-BAC li\u00ean t\u1ee5c 3-4 ng\u00e0y \u0111\u1ec3 ph\u1ee5c h\u1ed3i h\u1ec7 vi sinh c\u00f3 l\u1ee3i trong ao.<\/p>\n

    D\u00f9ng kh\u00e1ng sinh GREEN-AMOX hay FLOR F20 \u0111i\u1ec1u tr\u1ecb li\u00ean t\u1ee5c trong 5-10 ng\u00e0y t\u00f9y m\u1ee9c \u0111\u1ed9 c\u00e1 ch\u1ebft trong ao. Sau khi quan s\u00e1t th\u1ea5y c\u00e1 gi\u1ea3m ch\u1ebft hay ng\u01b0ng kh\u00e1ng sinh \u0111i\u1ec1u tr\u1ecb, cho c\u00e1 \u0103n men vi sinh \u0111\u01b0\u1eddng ru\u1ed9t GREEN-PROBI v\u00e0 GREEN-ANTISTRESS trong 5-7 ng\u00e0y.<\/p>\n

    B\u1ec6NH TH\u1ed0I MANG, M\u00d2N V\u00c2Y DO VI KHU\u1ea8N D\u1ea0NG S\u1ee2I<\/strong><\/p>\n

    T\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh<\/u><\/strong>:<\/strong><\/p>\n

    B\u1ec7nh n\u00e0y vi khu\u1ea9n Flavobacterium<\/em> sp. g\u00e2y ra. Vi khu\u1ea9n ph\u00e1t tri\u1ec3n m\u1ea1nh \u1edf m\u00f4i tr\u01b0\u1eddng c\u00f3 pH 6,5 \u2013 7,5, nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc 25 \u2013 28o<\/sup>C.<\/p>\n

    B\u1ec7nh th\u01b0\u1eddng x\u1ea3y ra trong c\u00e1c th\u00e1ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc th\u1ea5p, m\u00f9a m\u01b0a b\u00e3o, \u00e1p th\u1ea5p nhi\u1ec7t \u0111\u1edbi t\u1eeb th\u00e1ng 8-11, m\u00f9a n\u01b0\u1edbc \u0111\u1ee5c d\u00e0y \u0111\u1eb7c ph\u00f9 sa. M\u1eb7c d\u00f9 b\u1ec7nh th\u1ed1i mang m\u00f2n v\u00e2y do Flavobacterium<\/em> sp. kh\u00f4ng th\u01b0\u1eddng x\u1ea3y ra trong m\u00f9a n\u1eafng n\u00f3ng nh\u01b0ng sau nh\u01b0ng c\u01a1n m\u01b0a l\u1edbn b\u1ea5t ch\u1ee3t \u0111\u1ea7u m\u00f9a (v\u0169 l\u01b0\u1ee3ng c\u00f3 khi l\u00ean \u0111\u1ebfn 100 mm) l\u00e0m ch\u1ea5t n\u01b0\u1edbc trong ao nh\u01b0 pH, nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t n\u00ean b\u1ec7nh n\u00e0y th\u01b0\u1eddng b\u1ed9c ph\u00e1t. Vi khu\u1ea9n n\u00e0y c\u00f3 trong \u0111\u1ea5t c\u1ee7a h\u1ea7u h\u1ebft c\u00e1c ao v\u00e0 tr\u1edf th\u00e0nh m\u1ea7m b\u1ec7nh v\u1edbi \u0111\u1ed9c l\u1ef1c cao khi c\u00e1 b\u1ecb c\u0103ng th\u1eb3ng ho\u1eb7c m\u1eadt \u0111\u1ed9 c\u00e1 qu\u00e1 d\u00e0y. \u0110\u1ed9 ki\u1ec1m trong ao c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u0103ng l\u00ean b\u1eb1ng c\u00e1ch b\u00f3n v\u00f4i 20 \u2013 25 kg\/1000 m2<\/sup> gi\u00fap l\u00e0m cho b\u1ec7nh do vi khu\u1ea9n n\u00e0y \u00edt nguy hi\u1ec3m h\u01a1n.<\/p>\n

    Ngo\u00e0i ra b\u1ec7nh th\u01b0\u1eddng c\u0169ng x\u1ea3y ra v\u00e0i ng\u00e0y sau khi th\u1ea3 nu\u00f4i c\u00e1 gi\u1ed1ng hay sau nh\u1eefng c\u01a1n m\u01b0a r\u1ea5t l\u1edbn. C\u00e1 b\u1ec7nh trong m\u1ecdi giai \u0111o\u1ea1n nu\u00f4i. S\u1ed1 l\u01b0\u1ee3ng c\u00e1 ch\u1ebft h\u1eb1ng ng\u00e0y t\u0103ng nhanh \u0111\u1ed9t bi\u1ebfn v\u1edbi c\u1ea5p s\u1ed1 nh\u00e2n 5-10 l\u1ea7n qua t\u1eebng ng\u00e0y.\u00a0 C\u00e1 h\u01b0\u01a1ng, c\u00e1 gi\u1ed1ng m\u1edbi th\u1ea3 c\u00f3 th\u1ec3 ch\u1ebft g\u1ea7n nh\u01b0 to\u00e0n b\u1ed9 trong 1-2 tu\u1ea7n. C\u00e1 b\u1ec7nh b\u1ecb m\u00f2n c\u1ee5t v\u00e2y \u0111u\u00f4i, n\u1ebfu b\u1ec7nh k\u00e9o d\u00e0i c\u00f3 th\u1ec3 tu\u1ed9t v\u1ea3y v\u00e0 l\u1edf lo\u00e9t da. Mang c\u00f3 nh\u1eefng m\u1ea3ng tr\u1eafng ho\u1ea1i t\u1eed th\u1ed1i r\u1eefa t\u01a1 mang. C\u00e1 c\u00f3 th\u1ec3 b\u1ecb xu\u1ea5t huy\u1ebft nh\u1eb9 hay kh\u00f4ng b\u1ecb xu\u1ea5t huy\u1ebft<\/p>\n

    \"C\u00e1

    C\u00e1 tra b\u1ecb b\u1ec7nh m\u00f2n v\u00e2y c\u1ee5t \u0111u\u00f4i<\/p><\/div>\n

     <\/p>\n

    \"C\u00e1

    C\u00e1 di\u00eau h\u1ed3ng b\u1ecb b\u1ec7nh th\u1ed1i mang<\/p><\/div>\n

    Ph\u00f2ng b\u1ec7nh<\/u><\/strong><\/p>\n

    \u0110\u1ecbnh k\u1ef3 s\u1ed5 k\u00fd sinh tr\u00f9ng 15 ng\u00e0y\/l\u1ea7n v\u1edbi GREEN-GLUTACIDE v\u00e0 GREEN-PRAZI, b\u1ed5 sung GREEN-ANTISTRESS, GREEN-MINERALS \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng s\u1ee9c \u0111\u1ec1 kh\u00e1ng.<\/p>\n

    Tu\u00e2n th\u1ee7 t\u1ed1t quy tr\u00ecnh k\u1ef9 thu\u1eadt trong v\u1eadn chuy\u1ec3n c\u00e1 gi\u1ed1ng. Tr\u01b0\u1edbc khi v\u1eadn chuy\u1ec3n c\u00e1 gi\u1ed1ng 7 ng\u00e0y n\u00ean s\u1ed5 k\u00fd sinh tr\u00f9ng v\u1edbi GREEN-PRAZI v\u00e0 k\u1ebft h\u1ee3p t\u1ea1t GREEN-GLUTACIDE, cho \u0103n li\u00ean t\u1ee5c GREEN-HEAL 4-5 ng\u00e0y. Pha 50g GREEN-OXYTETRA\/m3<\/sup> v\u00e0o n\u01b0\u1edbc v\u1eadn chuy\u1ec3n c\u00e1 gi\u1ed1ng.<\/p>\n

    Sau khi chuy\u1ec3n c\u00e1 gi\u1ed1ng v\u1ec1 ao, b\u00e8 cho \u0103n t\u0103ng d\u1ea7n theo \u0111\u00fang k\u1ef9 thu\u1eadt v\u00e0 b\u1ed5 sung GREEN-HEAL li\u00ean t\u1ee5c trong 5-7 ng\u00e0y.<\/p>\n

    Trong nh\u1eefng ng\u00e0y tr\u1eddi \u00e2m u, nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m do \u00e1p th\u1ea5p nhi\u1ec7t \u0111\u1edbi, m\u01b0a l\u1edbn hay k\u00e9o d\u00e0i ch\u1ec9 cho c\u00e1 \u0103n 10-20% trong l\u01b0\u1ee3ng th\u00e2n hay kh\u00f4ng cho \u0103n ho\u00e0n to\u00e0n.<\/p>\n

    Theo d\u00f5i d\u1ef1 b\u00e1o th\u1eddi ti\u1ebft \u0111\u1ec3 bi\u1ebft tr\u01b0\u1edbc c\u00e1c ng\u00e0y c\u00f3 m\u01b0a b\u00e3o, \u00e1p th\u1ea5p nhi\u1ec7t \u0111\u1edbi. Qua \u0111\u00f3 t\u0103ng c\u01b0\u1eddng s\u1ee9c \u0111\u1ec1 kh\u00e1ng tr\u01b0\u1edbc cho c\u00e1 b\u1eb1ng GREEN-AQUA-C v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m t\u0103ng c\u01b0\u1eddng s\u1ee9c \u0111\u1ec1 kh\u00e1ng nh\u01b0 GREEN-ANTISTRESS.<\/p>\n

    Cho ch\u1ea1y s\u1ee5c kh\u00ed v\u00e0o th\u1eddi \u0111i\u1ec3m n\u01b0\u1edbc \u0111\u1ee9ng, l\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y th\u1ea5p ho\u1eb7c nh\u1eefng b\u00e8 \u0111\u1eb7t \u1edf cu\u1ed1i d\u00f2ng ch\u1ea3y.<\/p>\n

    Kh\u00f4ng t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn \u0111\u00e0n c\u00e1 nh\u01b0 thu ho\u1ea1ch, chuy\u1ec3n th\u1ea3 c\u00e1 gi\u1ed1ng, ph\u00e2n c\u1ee1 c\u00e1 v\u00e0o nh\u1eefng ng\u00e0y th\u1eddi ti\u1ebft \u00e2m u, chuy\u1ec3n l\u1ea1nh do \u00e1p th\u1ea5p nhi\u1ec7t \u0111\u1edbi, b\u00e3o hay kh\u00f4ng kh\u00ed l\u1ea1nh t\u1eeb mi\u1ec1n B\u1eafc tr\u00e0n v\u1ec1.<\/p>\n

    Tr\u1ecb b\u1ec7nh<\/u><\/strong><\/p>\n

    Khi c\u00e1 trong m\u1ed9t ao ch\u1ebft \u1edf m\u1ee9c v\u00e0i tr\u0103m con tr\u1edf l\u00ean m\u1ed7i ng\u00e0y g\u1ea7n nh\u01b0 s\u1ebd th\u1ea5t b\u1ea1i khi \u0111i\u1ec1u tr\u1ecb.<\/p>\n

    Quan s\u00e1t s\u1ed1 l\u01b0\u1ee3ng c\u00e1 ch\u1ebft m\u1ed7i ng\u00e0y. Khi ghi nh\u1eadn s\u1ed1 c\u00e1 ch\u1ebft t\u0103ng g\u1ea5p >= 10 l\u1ea7n so v\u1edbi ng\u00e0y h\u00f4m tr\u01b0\u1edbc v\u00e0 c\u00e1 b\u1ecb c\u1ee5t, m\u00f2n v\u00e2y ph\u1ea3i ti\u1ebfn h\u00e0nh \u0111i\u1ec1u tr\u1ecb ngay.<\/p>\n

    D\u00f9ng kh\u00e1ng sinh FLOR F20 \u0111i\u1ec1u tr\u1ecb li\u00ean t\u1ee5c trong 7-10 ng\u00e0y, t\u1ea1t GREEN-GLUTACIDE li\u00ean t\u1ee5c 3-5 ng\u00e0y t\u00f9y m\u1ee9c \u0111\u1ed9 c\u00e1 ch\u1ebft trong ao, sau 24 gi\u1edd x\u1eed l\u00fd di\u1ec7t khu\u1ea9n l\u1ea7n cu\u1ed1i n\u00ean b\u1ed5 sung GREEN-BAC \u0111\u1ec3 ph\u1ee5c h\u1ed3i h\u1ec7 vi sinh c\u00f3 l\u1ee3i trong ao li\u00ean t\u1ee5c trong 3-4 ng\u00e0y. Sau khi ng\u01b0ng kh\u00e1ng sinh, cho c\u00e1 \u0103n men vi sinh \u0111\u01b0\u1eddng ru\u1ed9t GREEN-PROBI v\u00e0 t\u0103ng c\u01b0\u1eddng dinh d\u01b0\u1ee1ng cho c\u00e1 b\u1eb1ng GREEN-LIVER, GREEN-ANTISTRESS trong 5-10 ng\u00e0y.<\/p>\n

    B\u1ec6NH XU\u1ea4T HUY\u1ebeT<\/strong><\/p>\n

    T\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh<\/u>:<\/strong><\/p>\n

    B\u1ec7nh do vi khu\u1ea9n Aemomas <\/em>sp. g\u00e2y ra. C\u00e1 c\u00f3 d\u1ea5u hi\u1ec7u to\u00e0n th\u00e2n b\u1ecb xu\u1ea5t huy\u1ebft, h\u1eadu m\u00f4n s\u01b0ng l\u1ed3i, b\u1ee5ng tr\u01b0\u01a1ng to b\u00ean trong c\u00f3 d\u1ecbch \u0111\u1ecf h\u1ed3ng, \u0111\u1ea7u v\u00e0 m\u1eaft c\u00e1 s\u01b0ng, l\u1ed3i v\u00e0 xu\u1ea5t huy\u1ebft. \u00a0Gan, th\u1eadn, l\u00e1ch s\u01b0ng to, nh\u0169n gan v\u00e0 c\u00f3 m\u00e0u \u0111\u1ecf s\u1eadm. Ru\u1ed9t \u0111\u1ecf do sung huy\u1ebft.<\/p>\n

    Sau khi th\u1ea3 c\u00e1 gi\u1ed1ng 1-2 ng\u00e0y, c\u00e1 ch\u1ebft nhi\u1ec1u v\u00e0 ch\u1ebft k\u00e9o d\u00e0i 5-7 ng\u00e0y. T\u1ef7 l\u1ec7 c\u00e1 hao do b\u1ec7nh n\u00e0y sau khi th\u1ea3 c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 10-20%. Nh\u1eefng th\u00e1ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc t\u0103ng d\u1ea7n sau T\u1ebft v\u00e0 n\u1eafng n\u00f3ng (th\u00e1ng 3-4), \u0111\u1ed1i v\u1edbi nh\u1eefng ao \u0111\u00e3 th\u1ea3 t\u1eeb c\u00e1c th\u00e1ng cu\u1ed1i n\u0103m tr\u01b0\u1edbc, c\u00e1 c\u0169ng c\u00f3 th\u1ec3 b\u1ecb b\u1ec7nh xu\u1ea5t huy\u1ebft.<\/p>\n

    \"C\u00e1

    C\u00e1 tra b\u1ec7nh xu\u1ea5t huy\u1ebft<\/p><\/div>\n

     <\/p>\n

    \"C\u00e1

    C\u00e1 di\u00eau h\u1ed3ng b\u1ecb b\u1ec7nh xu\u1ea5t huy\u1ebft<\/p><\/div>\n

    Ph\u00f2ng b\u1ec7nh<\/u><\/strong><\/p>\n

    \u0110\u1ecbnh k\u1ef3 s\u1ed5 k\u00fd sinh tr\u00f9ng 15 ng\u00e0y\/l\u1ea7n b\u1eb1ng GREEN-GLUTACIE v\u00e0 GREEN-PRAZI, b\u1ed5 sung GREEN-AQUA-C, kho\u00e1ng GREEN-MINERALS gi\u00fap t\u0103ng c\u01b0\u1eddng s\u1ee9c \u0111\u1ec1 kh\u00e1ng. N\u1ebfu th\u1ea5y ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc k\u00e9m hay \u00edt c\u00f3 n\u01b0\u1edbc m\u1edbi \u0111\u1ec3 thay n\u01b0\u1edbc trong ao c\u00f3 th\u1ec3 t\u1ea1t GREEN-IODLIQ 1 l\u1ea7n\/ng\u00e0y li\u00ean t\u1ee5c trong 2-3 ng\u00e0y, sau 24 gi\u1edd x\u1eed l\u00fd di\u1ec7t khu\u1ea9n l\u1ea7n cu\u1ed1i n\u00ean b\u1ed5 sung GREEN-BAC 3-4 ng\u00e0y li\u00ean t\u1ee5c \u0111\u1ec3 ph\u1ee5c h\u1ed3i h\u1ec7 vi sinh c\u00f3 l\u1ee3i trong ao.<\/p>\n

    Trong \u0111i\u1ec1u ki\u1ec7n n\u01b0\u1edbc \u0111\u1ee9ng, l\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y th\u1ea5p v\u1edbi c\u00e1c b\u00e8 \u0111\u1eb7t \u1edf cu\u1ed1i d\u00f2ng ch\u1ea3y th\u00ec n\u00ean m\u1edf s\u1ee5c kh\u00ed cho ch\u1ea1y \u0111\u1ebfn khi l\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y b\u00ecnh th\u01b0\u1eddng tr\u1edf l\u1ea1i.<\/p>\n

    Tr\u00e1nh \u0111\u1ec3 nh\u1eefng t\u1ea3ng l\u1ee5c b\u00ecnh t\u1ea5p v\u00e0o b\u00e8 g\u00e2y c\u1ea3n tr\u1edf d\u00f2ng ch\u1ea3y.<\/p>\n

    Ki\u1ec3m tra s\u00e1n l\u00e1 mang v\u00e0 tr\u00f9ng b\u00e1nh xe th\u01b0\u1eddng xuy\u00ean 10-12 ng\u00e0y m\u1ed9t l\u1ea7n.<\/p>\n

    Cho c\u00e1 \u0103n tr\u00ean khu v\u1ef1c r\u1ed9ng h\u01a1n tr\u00e1nh cho c\u00e1 tranh \u0103n v\u1edbi s\u1ed1 l\u01b0\u1ee3ng qu\u00e1 l\u1edbn trong khu v\u1ef1c nh\u1ecf.<\/p>\n

    Ki\u1ec3m tra \u0111\u00e1y ao th\u01b0\u1eddng xuy\u00ean nh\u1eb1m k\u1ecbp th\u1eddi h\u00fat b\u00f9n \u0111\u00e1y ao<\/p>\n

    \u0110i\u1ec1u tr\u1ecb:<\/u><\/strong><\/p>\n

    Gi\u1ea3m cho \u0103n. T\u0103ng qu\u1ea1t n\u01b0\u1edbc, s\u1ee5c kh\u00ed \u0111\u1eb7c bi\u1ec7t cho c\u00e1 gi\u1ed1ng.<\/p>\n

    D\u00f9ng GREEN-DOC ho\u1eb7c ph\u1ed1i h\u1ee3p GREEN-DOC v\u1edbi FLOR F20 \u0111i\u1ec1u tr\u1ecb li\u00ean t\u1ee5c trong 5-7 ng\u00e0y t\u00f9y m\u1ee9c \u0111\u1ed9 c\u00e1 ch\u1ebft trong ao. T\u1ea1t GREEN-IODLIQ 1 l\u1ea7n\/ng\u00e0y li\u00ean t\u1ee5c trong 3-5 ng\u00e0y, sau 24 gi\u1edd x\u1eed l\u00fd di\u1ec7t khu\u1ea9n l\u1ea7n cu\u1ed1i n\u00ean b\u1ed5 sung GREEN-BAC \u0111\u1ec3 ph\u1ee5c h\u1ed3i h\u1ec7 vi sinh c\u00f3 l\u1ee3i trong ao. Sau khi ng\u01b0ng kh\u00e1ng sinh cho c\u00e1 \u0103n men vi sinh \u0111\u01b0\u1eddng ru\u1ed9t GREEN-PROBI v\u00e0 GREEN-AQUA-C trong 5-10 ng\u00e0y.<\/p>\n

    B\u1ec6NH DO S\u00c1N L\u00c1\u00a0 MANG<\/strong><\/p>\n

    T\u00e1c nh\u00e2n g\u00e2y b\u1ec7nh<\/u><\/strong>:<\/strong><\/p>\n

    S\u00e1n l\u00e1 g\u00e2y b\u1ec7nh ch\u1ee7 y\u1ebfu cho c\u00e1 v\u00e0 k\u00fd sinh ch\u1ee7 y\u1ebfu tr\u00ean mang v\u00e0 da c\u00e1. \u0110\u1ed1i v\u1edbi c\u00e1 r\u00f4 phi nu\u00f4i ao th\u00ec s\u00e1n l\u00e1 c\u0169ng g\u00e2y b\u1ec7nh \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn c\u00e1.<\/p>\n

    Khi nhi\u1ec5m s\u00e1n c\u00e1 \u0103n y\u1ebfu, n\u1ed5i \u0111\u1ea7u nhi\u1ec1u tr\u00ean m\u1eb7t n\u01b0\u1edbc v\u00e0o bu\u1ed5i s\u00e1ng, gom c\u1ee5c v\u00e0 r\u1ed9 nhi\u1ec1u khi c\u00f3 ti\u1ebfng \u0111\u1ed9ng, t\u1ea5p m\u00e9 l\u01b0\u1edbi nhi\u1ec1u, ti\u1ebft nhi\u1ec1u nh\u1edbt, da c\u00e1 s\u1eadm m\u00e0u.<\/p>\n

    Mang c\u00e1 nh\u1ee3t nh\u1ea1t, t\u01a1 mang t\u01b0a, sung huy\u1ebft, \u0111\u00f3ng b\u00f9n, da c\u00e1 c\u00f3 c\u00e1c v\u1ebft th\u01b0\u01a1ng, \u0111\u1ed1m \u0111\u1ecf.<\/p>\n

    B\u1ec7nh ph\u00e1t tri\u1ec3n nhi\u1ec1u \u1edf c\u00e1 h\u01b0\u01a1ng, c\u00e1 gi\u1ed1ng khi \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t, s\u1ee9c \u0111\u1ec1 kh\u00e1ng c\u00e1 y\u1ebfu, ao c\u00e1 d\u00e0y \u0111\u1eb7c ch\u1ea5t h\u1eefu c\u01a1, \u00edt c\u00f3 kh\u1ea3 n\u0103ng thay n\u01b0\u1edbc. C\u00e1 nu\u00f4i nhi\u1ec5m n\u1eb7ng s\u00e1n l\u00e1 mang s\u1ebd c\u0169ng s\u1ebd nhi\u1ec5m v\u00e0 hao h\u1ee5t nhi\u1ec1u c\u00e1c b\u1ec7nh kh\u00e1c nh\u01b0 l\u1ed3i m\u1eaft tr\u01b0\u1edbng b\u1ee5ng do Streptococcus <\/em>hay gan th\u1eadn m\u1ee7 do Edwardsiella ictaluri<\/em>.<\/p>\n

    Ph\u00f2ng b\u1ec7nh<\/u><\/strong><\/p>\n

    \u0110\u1ecbnh k\u1ef3 x\u1ed5 s\u00e1n \u0111\u1ecbnh k\u1ef3 12-15 ng\u00e0y\/l\u1ea7n b\u1eb1ng GREEN-PRAZI m\u1ed7i l\u1ea7n 2 ng\u00e0y li\u00ean t\u1ee5c, sau 02 ng\u00e0y tr\u1ed9n thu\u1ed1c s\u1ed5 n\u00ean t\u1ea1t GREEN-GLUTACIDE \u0111\u1ec3 di\u1ec7t ngo\u1ea1i k\u00fd sinh, b\u1ed5 sung GREEN-AQUA-C t\u0103ng c\u01b0\u1eddng s\u1ee9c \u0111\u1ec1 kh\u00e1ng.<\/p>\n

    Trong \u0111i\u1ec1u ki\u1ec7n n\u01b0\u1edbc \u0111\u1ee9ng, l\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y th\u1ea5p v\u1edbi c\u00e1c b\u00e8 \u0111\u1eb7t \u1edf cu\u1ed1i d\u00f2ng ch\u1ea3y th\u00ec n\u00ean m\u1edf s\u1ee5c kh\u00ed cho ch\u1ea1y \u0111\u1ebfn khi l\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y b\u00ecnh th\u01b0\u1eddng tr\u1edf l\u1ea1i.<\/p>\n

    Tr\u00e1nh \u0111\u1ec3 nh\u1eefng t\u1ea3ng l\u1ee5c b\u00ecnh t\u1ea5p v\u00e0o b\u00e8 g\u00e2y c\u1ea3n tr\u1edf d\u00f2ng ch\u1ea3y.<\/p>\n

    Ki\u1ec3m tra s\u00e1n l\u00e1 mang v\u00e0 c\u00e1c ngo\u1ea1i k\u00fd sinh nguy\u00ean sinh \u0111\u1ed9ng v\u1eadt b\u1eb1ng k\u00ednh hi\u1ec3n vi th\u01b0\u1eddng xuy\u00ean (m\u1ed7i 10 \u2013 15 ng\u00e0y m\u1ed9t l\u1ea7n) \u0111\u1ec3 x\u1eed l\u00fd k\u1ecbp th\u1eddi.<\/p>\n

    \u0110i\u1ec1u tr\u1ecb:<\/u><\/strong><\/p>\n

    D\u00f9ng thu\u1ed1c \u0111i\u1ec1u tr\u1ecb GREEN-PRAZI cho c\u00e1 2-3 ng\u00e0y li\u00ean t\u1ee5c, sau khi tr\u1ed9n thu\u1ed1c s\u1ed5 n\u00ean x\u1eed l\u00fd GREEN-GLUTACIDE \u0111\u1ec3 h\u1ed7 tr\u1ee3 x\u1eed l\u00fd ngo\u1ea1i k\u00fd sinh. Sau \u0111\u00f3 10-12 ng\u00e0y n\u00ean x\u1ed5 l\u1eb7p l\u1ea1i m\u1ed9t l\u1ea7n n\u1eefa. Sau khi \u0111i\u1ec1u tr\u1ecb n\u00ean ng\u1eeba b\u1ed9i nhi\u1ec5m Areromonas<\/em> g\u00e2y b\u1ec7nh xu\u1ea5t huy\u1ebft b\u1eb1ng GREEN-OXYTETRA trong 3-4 ng\u00e0y li\u00ean t\u1ee5c v\u00e0 t\u0103ng c\u01b0\u1eddng s\u1ee9c kh\u1ecfe cho c\u00e1 v\u1edbi GREEN-ANTISTRESS trong 4-5 ng\u00e0y li\u00ean t\u1ee5c.<\/p>\n

    B\u1ec6NH DO TR\u00d9NG B\u00c1NH XE<\/strong><\/p>\n

    B\u1ec7nh do tr\u00f9ng b\u00e1nh xe th\u01b0\u1eddng x\u1ea3y ra tr\u00ean c\u00e1 h\u01b0\u01a1ng, gi\u1ed1ng, th\u1eadm ch\u00ed c\u00e1 nu\u00f4i th\u01b0\u01a1ng ph\u1ea9m nu\u00f4i m\u1eadt \u0111\u1ed9 d\u00e0y. B\u1ec7nh n\u00e0y \u0111\u1eb7c bi\u1ec7t nghi\u00eam tr\u1ecdng cho khu v\u1ef1c nu\u00f4i l\u1ea5y n\u01b0\u1edbc t\u1eeb c\u00e1c h\u1ed3 ch\u1ee9a, l\u1ea5y n\u01b0\u1edbc t\u1eeb k\u00eanh, m\u01b0\u01a1ng nh\u1ecf. C\u00e1 b\u1ec7nh g\u1ea7y, th\u1ea9m m\u00e0u, hay t\u1ee5 n\u01a1i n\u01b0\u1edbc c\u1ea5p v\u00e0o ao. C\u00e1c c\u00f3 th\u1ec3 ch\u1ebft r\u1ea3i r\u00e1c trong 5-7 ng\u00e0y v\u00e0 chuy\u1ec3n ch\u1ebft \u1ed3 \u1ea1t sau \u0111\u00f3 n\u1ebfu kh\u00f4ng \u0111i\u1ec1u tr\u1ecb.<\/p>\n

    Ph\u00f2ng b\u1ec7nh:<\/u><\/strong><\/p>\n

    Thay n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean tr\u00e1nh \u0111\u1ec3 n\u01b0\u1edbc t\u00edch t\u1ee5 nhi\u1ec1u ch\u1ea5t h\u1eefu c\u01a1. \u0110\u1ecbnh k\u1ef3 12-15 ng\u00e0y t\u1ea1t GREEN-GLUTACIDE, ng\u00e0y m\u1ed9t l\u1ea7n trong hai ng\u00e0y li\u00ean t\u1ee5c.<\/p>\n

    Tr\u1ecb b\u1ec7nh:<\/u><\/strong><\/p>\n

    D\u00f9ng thu\u1ed1c \u0111i\u1ec1u tr\u1ecb GREEN-GLUTACIDE cho c\u00e1 ng\u00e0y m\u1ed9t l\u1ea7n, li\u00ean t\u1ee5c m\u1ed7i ng\u00e0y (3-5 ng\u00e0y) cho \u0111\u1ebfn khi s\u1ed1 c\u00e1 hao m\u1ed7i ng\u00e0y kh\u00f4ng c\u00f2n \u0111\u00e1ng k\u1ec3. Sau \u0111\u00f3 10-12 ng\u00e0y n\u00ean t\u1ea1t l\u1eb7p l\u1ea1i GREEN-GLUTACIDE ng\u00e0y 1 l\u1ea7n trong 2 ng\u00e0y li\u00ean t\u1ee5c, sau khi x\u1eed l\u00fd GREEN-GLUTACIDE 24 gi\u1edd n\u00ean b\u1ed5 sung GREEN-BAC \u0111\u1ec3 ph\u1ee5c h\u1ed3i h\u1ec7 vi sinh c\u00f3 l\u1ee3i trong ao. Sau khi \u0111i\u1ec1u tr\u1ecb n\u00ean ng\u1eeba b\u1ed9i nhi\u1ec5m Areromonas<\/em> g\u00e2y b\u1ec7nh xu\u1ea5t huy\u1ebft b\u1eb1ng GREEN-OXYTETRA trong 3-4 ng\u00e0y li\u00ean t\u1ee5c v\u00e0 t\u0103ng c\u01b0\u1eddng s\u1ee9c kh\u1ecfe cho c\u00e1 v\u1edbi GREEN-ANTI STRESS v\u00e0 b\u1ed5 sung vi sinh c\u00f3 l\u1ee3i v\u1edbi GREEN-PROBI trong 5-7 ng\u00e0y li\u00ean t\u1ee5c.<\/p>\n

    \"Mang

    Mang c\u00e1 l\u00f3c b\u00f4ng nhi\u1ec5m tr\u00f9ng b\u00e1nh xe r\u1ea5t n\u1eb7ng<\/p><\/div>\n

     <\/p>\n

    \"Mang

    Mang ti\u1ebft nhi\u1ec1u nh\u1edbt do tr\u00f9ng b\u00e1nh xe<\/p><\/div>\n

     <\/p>\n

    C\u00c1 TR\u01af\u01a0NG B\u1ee4NG DO TH\u1ee8C \u0102N HO\u1eb6C \u0110I PH\u00c2N S\u1ed0NG<\/strong><\/p>\n

    B\u1ec7nh th\u01b0\u1eddng x\u1ea3y ra \u1edf c\u00e1c b\u00e8 cho c\u00e1 \u0103n th\u1ee9c \u0103n t\u1ef1 ch\u1ebf kh\u00f4ng \u0111\u01b0\u1ee3c n\u1ea5u ch\u00edn, kh\u00f4ng \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng ho\u1eb7c th\u00fac cho c\u00e1 \u0103n qu\u00e1 nhi\u1ec1u, c\u00e1 c\u00f3 s\u1ee9c kh\u1ecfe y\u1ebfu, ch\u1ee9c n\u0103ng gan c\u00e1 y\u1ebfu l\u00e0m c\u00e1 kh\u00f4ng ti\u00eau ho\u00e1 \u0111\u01b0\u1ee3c th\u1ee9c \u0103n, b\u1ee5ng c\u00e1 tr\u01b0\u01a1ng to, ru\u1ed9t ch\u1ee9a nhi\u1ec1u h\u01a1i. C\u00e1 b\u01a1i l\u1edd \u0111\u1edd v\u00e0 ch\u1ebft r\u1ea3i r\u00e1c. C\u00e1 \u0111i ph\u00e2n c\u00f3 \u0111o\u1ea1n d\u00e0i c\u00f3 m\u00e0u tr\u1eafng ng\u00e0, ch\u1ee9a nhi\u1ec1u h\u01a1i v\u00e0 n\u1ed5i l\u00ean m\u1eb7t n\u01b0\u1edbc.<\/p>\n

    Bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c<\/u><\/strong>:<\/strong><\/p>\n

    \u0110i\u1ec1u ch\u1ec9nh l\u1ea1i cho th\u00edch h\u1ee3p theo h\u01b0\u1edbng gi\u1ea3m 10-20% l\u01b0\u1ee3ng th\u1ee9c \u0103n cho \u0103n h\u1eb1ng ng\u00e0y c\u1ee7a nh\u1eefng ng\u00e0y tr\u01b0\u1edbc khi c\u00e1 ph\u00e1t b\u1ec7nh. Trong th\u1ee9c \u0103n n\u00ean b\u1ed5 sung GREEN-PROBI ch\u1ee9a vi sinh v\u1eadt c\u00f3 l\u1ee3i v\u00e0 c\u00e1c enzyme h\u1ed7 tr\u1ee3 ti\u00eau h\u00f3a cho c\u00e1 h\u00e0ng ng\u00e0y cho \u0111\u1ebfn khi h\u1ebft ph\u00e2n s\u1ed1ng. Ngo\u00e0i ra c\u1ea7n tr\u1ed9n c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ee5c h\u1ed3i s\u1ee9c kh\u1ecfe gan ru\u1ed9t nh\u01b0 GREEN-LIVER, GREEN-ANTISTRESS trong 5-7 ng\u00e0y li\u00ean t\u1ee5c.<\/p>\n

    D\u1ecaCH B\u1ec6NH DO TILAPIA LAKE VIRUS TR\u00caN C\u00c1 R\u00d4 PHI, DI\u00caU H\u1ed2NG<\/strong><\/p>\n

    Nguy\u00ean nh\u00e2n g\u00e2y b\u1ec7nh:<\/u><\/strong><\/p>\n

    Tilapia Lake Virus (TiLV) g\u00e2y b\u1ec7nh \u1edf c\u00e1c lo\u00e0i c\u00e1 r\u00f4 phi bao g\u1ed3m c\u00e1 r\u00f4 phi nu\u00f4i v\u00e0 ngo\u00e0i t\u1ef1 nhi\u00ean.<\/p>\n

    T\u1ef7 l\u1ec7 ch\u1ebft trong c\u00e1c \u1ed5 d\u1ecbch t\u1ef1 nhi\u00ean 9 – 90%; b\u1ec7nh xu\u1ea5t hi\u1ec7n \u1edf m\u1ecdi giai \u0111o\u1ea1n nh\u01b0ng ch\u1ee7 y\u1ebfu t\u1eadp trung \u1edf c\u00e1 gi\u1ed1ng. V\u01a1\u0301i gi\u00f4\u0301ng c\u00e1 r\u00f4 phi \u0111\u1ecf nu\u00f4i b\u00e8 b\u1ecb nhi\u1ec5m b\u1ec7nh, t\u1ef7 l\u1ec7 ch\u1ebft c\u00f3 th\u1ec3 l\u00ean t\u1edbi 90% trong v\u00f2ng m\u1ed9t th\u00e1ng sau th\u1ea3 nu\u00f4i. V\u00ec v\u1eady b\u1ec7nh n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u1ed9i ch\u1ee9ng c\u00e1 ch\u1ebft trong v\u00f2ng m\u1ed9t th\u00e1ng sau th\u1ea3 nu\u00f4i. B\u1ec7nh l\u00e2y lan theo chi\u1ec1u ngang, t\u1eeb c\u00e1 b\u1ec7nh sang c\u00e1 kh\u1ecfe trong c\u00f9ng ao nu\u00f4i, tr\u1ea1i, b\u00e8 nu\u00f4i, qua ngu\u1ed3n n\u01b0\u1edbc, d\u1ee5ng c\u1ee5 nu\u00f4i.<\/p>\n

    Bi\u1ec3u hi\u1ec7n b\u1ec7nh:<\/u><\/strong><\/p>\n

    C\u00e1 m\u1eafc b\u1ec7nh c\u00f3 bi\u1ec3u hi\u1ec7n kh\u00f4ng \u0111\u1eb7c tr\u01b0ng nh\u01b0 b\u1ecf \u0103n, m\u00e0u s\u1eafc c\u01a1 th\u1ec3 bi\u1ebfn \u0111\u1ed5i (s\u1eabm m\u00e0u); thay \u0111\u1ed5i t\u1eadp t\u00ednh b\u01a1i l\u1ed9i (nh\u01b0 t\u1eadp trung \u1edf tr\u00ean b\u1ec1 m\u1eb7t, b\u01a1i l\u1edd \u0111\u1edd), ng\u1eebng k\u00e9o \u0111\u00e0n, h\u00f4n m\u00ea tr\u01b0\u1edbc khi ch\u1ebft. M\u1ed9t s\u1ed1 d\u1ea5u hi\u1ec7u tr\u00ean c\u01a1 th\u1ec3 g\u1ed3m: hi\u1ec7n t\u01b0\u1ee3ng xung huy\u1ebft, xu\u1ea5t huy\u1ebft n\u00e3o; \u0103n m\u00f2n v\u00e0 l\u1edf lo\u00e9t t\u1eeb d\u1ea1ng \u0111i\u1ec3m \u0111\u1ebfn m\u1ea3ng tr\u00ean da; mang t\u00e1i nh\u1ee3t; m\u1eaft b\u1ecb teo l\u1ea1i ho\u1eb7c l\u1ed3i ra, c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ee5c th\u1ee7y tinh th\u1ec3; xoang b\u1ee5ng v\u00e0 h\u1eadu m\u00f4n ph\u00ecnh to; v\u1ea9y d\u1ef1ng l\u00ean, c\u00f3 th\u1ec3 bong tr\u00f3c; \u0111u\u00f4i b\u1ecb \u0103n m\u00f2n.<\/p>\n

    B\u1ec7nh g\u00e2y t\u1ef7 l\u1ec7 ch\u1ebft cao trong \u0111\u00e0n c\u00e1 nu\u00f4i, \u0111\u1eb7c bi\u1ec7t \u1edf c\u00e1 nh\u1ecf, do \u0111\u00f3 khi th\u1ea5y c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng c\u00e1 r\u00f4 phi nu\u00f4i ch\u1ebft r\u1ea5t nhi\u1ec1u trong th\u1eddi gian ng\u1eafn v\u00e0i ng\u00e0y \u0111\u1ebfn m\u1ed9t tu\u1ea7n kh\u00f4ng r\u00f5 nguy\u00ean nh\u00e2n th\u00ec c\u00f3 th\u1ec3 nghi \u0111\u00e2y l\u00e0 b\u1ec7nh do virus TiLV g\u00e2y ra.<\/p>\n

    Ch\u1ea9n \u0111o\u00e1n b\u1ec7nh t\u1ea1i ao, b\u00e8 nu\u00f4i ch\u1ee7 y\u1ebfu d\u1ef1a tr\u00ean c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m d\u1ecbch t\u1ec5 v\u00e0 d\u1ea5u hi\u1ec7u b\u1ec7nh nh\u01b0 m\u00f4 t\u1ea3 \u1edf tr\u00ean, \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd khi c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng c\u00e1 r\u00f4 phi ch\u1ebft nhi\u1ec1u b\u1ea5t th\u01b0\u1eddng. C\u00e1 gi\u1ed1ng c\u00f3 th\u1ec3 hao h\u1ee5t t\u1eeb 50-90% trong v\u00f2ng th\u00e1ng \u0111\u1ea7u ti\u00ean sau th\u1ea3 nu\u00f4i. C\u00e1 ch\u1ebft nhanh, nhi\u1ec1u trong v\u00e0i ng\u00e0y \u0111\u1ebfn m\u1ed9t tu\u1ea7n.<\/p>\n

    Ph\u00f2ng b\u1ec7nh<\/u>:<\/strong><\/p>\n

    Hi\u1ec7n nay ch\u01b0a c\u00f3 bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t hi\u1ec7u qu\u1ea3 d\u1ecbch b\u1ec7nh n\u00e0y. Vi\u1ec7c t\u0103ng c\u01b0\u1eddng s\u1ee9c \u0111\u1ec1 kh\u00e1ng cho c\u00e1 gi\u1ed1ng trong 5-7 ng\u00e0y tr\u01b0\u1edbc khi v\u1eadn chuy\u1ec3n v\u1ec1 b\u00e8 nu\u00f4i b\u1eb1ng GREEN-HEAL l\u00e0 c\u1ea7n thi\u1ebft. Ngo\u00e0i ra trong giai \u0111o\u1ea1n \u01b0\u01a1ng gi\u1ed1ng, vi\u00eac ki\u1ec3m so\u00e1t t\u00ecnh tr\u1ea1ng c\u00e1 nhi\u1ec5m ngo\u1ea1i k\u00fd sinh nh\u01b0 s\u00e1n l\u00e1 mang v\u00e0 tr\u00f9ng b\u00e1nh xe b\u1eb1ng GREEN-GLUTACIDE v\u00e0 GREEN-PRAZI nh\u1eb1m n\u00e2ng cao s\u1ee9c kh\u1ecfe c\u1ee7a c\u00e1 gi\u1ed1ng c\u0169ng r\u1ea5t quan tr\u1ecdng. \u0110\u1ecbnh k\u1ef3 10 ng\u00e0y\/l\u1ea7n t\u1ea1t GREEN-IODLID di\u1ec7t khu\u1ea9n n\u01b0\u1edbc ao, sau khi x\u1eed l\u00fd di\u1ec7t khu\u1ea9n n\u00ean b\u1ed5 sung GREEN-BAC li\u00ean t\u1ee5c 3-4 ng\u00e0y \u0111\u1ec3 ph\u1ee5c h\u1ed3i h\u1ec7 vi sinh c\u00f3 l\u1ee3i trong ao. Th\u00eam v\u00e0o \u0111\u00f3, v\u1eadn chuy\u1ec3n c\u00e1 gi\u1ed1ng v\u1ec1 tr\u1ea1i c\u1ea7n tu\u00e2n th\u1ee7 \u0111\u00fang k\u1ef9 thu\u1eadt gi\u00fap c\u00e1 gi\u1ed1ng gi\u1ea3m s\u00e2y s\u00e1t h\u1ea1n ch\u1ebf t\u00ecnh tr\u1ea1ng c\u00e1 b\u1ecb nhi\u1ec5m \u0111\u1ed3ng th\u1eddi Tilapia lake virus v\u00e0 vi khu\u1ea9n g\u00e2y b\u1ec7nh xu\u1ea5t huy\u1ebft Aeromonas<\/em> sp., t\u1eeb \u0111\u00f3 gi\u1ea3m th\u1ea5p t\u1ef7 l\u1ec7 c\u00e1 gi\u1ed1ng hao h\u1ee5t trong th\u00e1ng \u0111\u1ea7u ti\u00ean sau khi th\u1ea3 nu\u00f4i. Sau\u00a0 khi th\u1ea3 c\u00e1 gi\u1ed1ng n\u00ean cho \u0103m GREEN-AQUA-C, GREEN-ANTISTRESS v\u00e0 GREEN-PROBI li\u00ean t\u1ee5c trong 5-7 ng\u00e0y.<\/p>\n

    \"C\u00e1

    C\u00e1 r\u00f4 phi b\u1ec7nh do Tilapia Lake Virus<\/p><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

    Giai \u0111o\u1ea1n m\u00f9a n\u1eafng v\u00e0 giao m\u00f9a n\u1eafng – m\u01b0a \u1edf \u0110\u00f4ng Nam B\u1ed9 v\u00e0 \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long k\u00e9o d\u00e0i t\u1eeb gi\u1eefa th\u00e1ng ba \u0111\u1ebfn cu\u1ed1i th\u00e1ng n\u0103m h\u1eb1ng n\u0103m.<\/p>\n","protected":false},"author":1,"featured_media":2199,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[580,578,145],"class_list":["post-3298","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tu-lieu-ky-thuat","tag-phong-benh-ca","tag-quan-ly-ao-nuoi","tag-thuy-san-viet-nam"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.greenfeed.com.vn\/thuy-san\/wp-json\/wp\/v2\/posts\/3298","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.greenfeed.com.vn\/thuy-san\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.greenfeed.com.vn\/thuy-san\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.greenfeed.com.vn\/thuy-san\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.greenfeed.com.vn\/thuy-san\/wp-json\/wp\/v2\/comments?post=3298"}],"version-history":[{"count":5,"href":"https:\/\/www.greenfeed.com.vn\/thuy-san\/wp-json\/wp\/v2\/posts\/3298\/revisions"}],"predecessor-version":[{"id":3313,"href":"https:\/\/www.greenfeed.com.vn\/thuy-san\/wp-json\/wp\/v2\/posts\/3298\/revisions\/3313"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.greenfeed.com.vn\/thuy-san\/wp-json\/wp\/v2\/media\/2199"}],"wp:attachment":[{"href":"https:\/\/www.greenfeed.com.vn\/thuy-san\/wp-json\/wp\/v2\/media?parent=3298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.greenfeed.com.vn\/thuy-san\/wp-json\/wp\/v2\/categories?post=3298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.greenfeed.com.vn\/thuy-san\/wp-json\/wp\/v2\/tags?post=3298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}