{"id":101,"date":"2026-05-30T00:47:50","date_gmt":"2026-05-30T00:47:50","guid":{"rendered":"https:\/\/tomcangdailoi.stellarmedia.vn\/?p=101"},"modified":"2026-05-30T00:47:50","modified_gmt":"2026-05-30T00:47:50","slug":"ky-thuat-nuoi-tom-cang-xanh-toan-duc-dem-lai-loi-nhuan-cao","status":"publish","type":"post","link":"https:\/\/tomcangdailoi.com\/index.php\/2026\/05\/30\/ky-thuat-nuoi-tom-cang-xanh-toan-duc-dem-lai-loi-nhuan-cao\/","title":{"rendered":"K\u1ef9 thu\u1eadt nu\u00f4i t\u00f4m c\u00e0ng xanh to\u00e0n \u0111\u1ef1c \u0111em l\u1ea1i l\u1ee3i nhu\u1eadn cao"},"content":{"rendered":"

T\u00f4m c\u00e0ng xanh l\u00e0 m\u1ed9t lo\u00e0i gi\u00e1p x\u00e1c sinh tr\u01b0\u1edfng t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc l\u1ee3. T\u00f4m c\u00e0ng xanh r\u1ea5t d\u1ec5 nu\u00f4i, nhanh l\u1edbn, \u00edt d\u1ecbch b\u1ec7nh v\u00e0 c\u00f3 gi\u00e1 tr\u1ecb dinh d\u01b0\u1ee1ng kh\u00f4ng k\u00e9m g\u00ec so v\u1edbi t\u00f4m th\u1ebb, t\u00f4m s\u00fa. T\u00f4m c\u00e0ng xanh s\u1ed1ng ch\u1ee7 y\u1ebfu trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc ng\u1ecdt, nh\u01b0ng c\u00f3 th\u1ec3 sinh tr\u01b0\u1edfng b\u00ecnh th\u01b0\u1eddng trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc l\u1ee3 c\u00f3 \u0111\u1ed9 m\u1eb7n d\u01b0\u1edbi 10 ph\u1ea7n ng\u00e0n.<\/strong><\/p>\n

\u1ede giai \u0111o\u1ea1n \u1ea5u tr\u00f9ng sau 18 \u2013 35 ng\u00e0y, t\u00f4m ph\u1ea3i s\u1ed1ng trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc l\u1ee3 v\u00e0 chuy\u1ec3n sang giai \u0111o\u1ea1n t\u00f4m b\u1ed9t \u0111\u1ebfn khi tr\u01b0\u1edfng th\u00e0nh.Th\u00f4ng th\u01b0\u1eddng, t\u00f4m c\u00e0ng xanh \u0111\u01b0\u1ee3c nu\u00f4i trong ru\u1ed9ng l\u00faa nh\u01b0ng hi\u1ec7n nay nhi\u1ec1u h\u1ed9 nu\u00f4i \u0111\u00e3 x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh nu\u00f4i t\u00f4m c\u00e0ng xanh to\u00e0n \u0111\u1ef1c tr\u00ean v\u00f9ng \u0111\u1ea5t chuy\u1ec3n \u0111\u1ed5i ho\u1eb7c lu\u00e2n canh \u0111em l\u1ea1i hi\u1ec7u qu\u1ea3 cao cho m\u00f9a v\u1ee5.<\/p>\n

\"\"<\/p>\n

Nu\u00f4i t\u00f4m c\u00e0ng xanh to\u00e0n \u0111\u1ef1c \u0111em l\u1ea1i n\u0103ng su\u1ea5t cao h\u01a1n so v\u1edbi con c\u00e1i<\/i><\/p>\n

Qu\u00e1 tr\u00ecnh sinh tr\u01b0\u1edfng gi\u1eefa t\u00f4m c\u00e1i v\u00e0 t\u00f4m \u0111\u1ef1c g\u1ea7n gi\u1ed1ng nhau cho t\u1edbi khi \u0111\u1ea1t k\u00edch c\u1ee1 35 \u2013 40gr th\u00ec t\u00f4m \u0111\u1ef1c s\u1ebd ph\u00e1t tri\u1ec3n nhanh h\u01a1n v\u00e0 \u0111\u1ea1t tr\u1ecdng l\u01b0\u1ee3ng g\u1ea5p \u0111\u00f4i trong c\u00f9ng th\u1eddi gian nu\u00f4i so v\u1edbi t\u00f4m c\u00e1i. T\u00f4m \u0111\u1ef1c c\u00f3 k\u00edch c\u1ee1 \u0111\u1ed3ng \u0111\u1ec1u, th\u1ecbt th\u01a1m ngon, gi\u00e1 t\u00f4m th\u01b0\u01a1ng ph\u1ea9m dao \u0111\u1ed9ng t\u1eeb 200.000 \u2013 400.000 VN\u0110\/Kg t\u00f9y v\u00e0o k\u00edch c\u1ee1 thu ho\u1ea1ch. Hi\u1ec3u \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3, nhi\u1ec1u h\u1ed9 d\u00e2n \u0111\u00e3 \u00e1p d\u1ee5ng k\u1ef9 thu\u1eadt nu\u00f4i t\u00f4m c\u00e0ng xanh to\u00e0n \u0111\u1ef1c, ch\u1ecdn l\u1ecdc nh\u1eefng con t\u00f4m kh\u1ecfe \u0111\u1ec3 t\u0103ng n\u0103ng su\u1ea5t, t\u1eadn d\u1ee5ng t\u1ed1i \u0111a ngu\u1ed3n th\u1ee9c \u0103n, ti\u1ebft ki\u1ec7m chi ph\u00ed cho v\u1ee5 nu\u00f4i.<\/p>\n

Hi\u1ec7n nay, nu\u00f4i t\u00f4m c\u00e0ng xanh to\u00e0n \u0111\u1ef1c \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i \u1edf \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1eedu Long t\u1ea1i Ki\u00ean Giang, An Giang, \u0110\u1ed3ng Th\u00e1p,\u2026 cho hi\u1ec7u qu\u1ea3 kinh t\u1ebf cao v\u00e0 \u1ed5n \u0111\u1ecbnh, \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u ti\u00eau th\u1ee5 trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc. Tuy nhi\u00ean nhi\u1ec1u khu v\u1ef1c t\u1ea1i B\u1ebfn tre, nu\u00f4i t\u00f4m c\u00e0ng xanh v\u1eabn theo ki\u1ec3u 50% t\u00f4m c\u00e1i v\u00e0 50% t\u00f4m \u0111\u1ef1c theo h\u00ecnh th\u1ee9c nu\u00f4i xen trong ru\u1ed9ng l\u00faa, m\u01b0\u01a1ng v\u01b0\u1eddn d\u1eeba n\u00ean t\u00f4m th\u00e0nh ph\u1ea9m kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u c\u1ee7a th\u1ecb tr\u01b0\u1eddng.<\/p>\n

K\u1ef9 thu\u1eadt nu\u00f4i t\u00f4m c\u00e0ng xanh to\u00e0n \u0111\u1ef1c \u0111\u01a1n gi\u1ea3n h\u01a1n so v\u1edbi nu\u00f4i t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng. \u00c1p d\u1ee5ng quy tr\u00ecnh nu\u00f4i t\u00f4m c\u00e0ng xanh d\u01b0\u1edbi \u0111\u00e2y r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn c\u1ee7a ng\u01b0\u1eddi d\u00e2n, an to\u00e0n sinh h\u1ecdc, h\u1ea1n ch\u1ebf s\u1eed d\u1ee5ng thu\u1ed1c, ng\u0103n ng\u1eeba d\u1ecbch b\u1ec7nh.<\/p>\n

1. Chu\u1ea9n b\u1ecb ao nu\u00f4i t\u00f4m c\u00e0ng xanh<\/i><\/b><\/p>\n

Ao nu\u00f4i t\u00f4m c\u00e0ng xanh c\u1ea7n \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 h\u1ec7 th\u1ed1ng k\u00eanh c\u1ea5p n\u01b0\u1edbc, tho\u00e1t n\u01b0\u1edbc ri\u00eang bi\u1ec7t. Khu v\u1ef1c b\u1edd ao c\u1ea7n \u0111\u01b0\u1ee3c gia c\u1ed1 k\u1ef9, \u0111\u1eafp hang \u0111\u1ec3 tr\u00e1nh th\u1ea9m th\u1ea5u, s\u1ea1t l\u1edf \u0111\u1ea5t khi m\u01b0a b\u00e3o. B\u01a1m c\u1ea1n n\u01b0\u1edbc ao, v\u1ec7 sinh xung quanh ao nu\u00f4i, ti\u1ebfn h\u00e0nh b\u00f3n v\u00f4i v\u00e0 ph\u01a1i n\u1eafng t\u1eeb 3 \u2013 4 ng\u00e0y r\u1ed3i l\u1ea5y n\u01b0\u1edbc v\u00e0o ao qua l\u01b0\u1edbi l\u1ecdc. Ao nu\u00f4i c\u00f3 m\u1ef1c n\u01b0\u1edbc duy tr\u00ec t\u1eeb 1,2 \u2013 1,5m. \u0110\u1eb7t d\u00f2ng n\u01b0\u1edbc xoay chuy\u1ec3n li\u00ean t\u1ee5c, h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c vi\u1ec7c \u0111\u00f3ng rong tr\u00ean t\u00f4m. X\u00e2y d\u1ef1ng ao l\u1eafng \u0111\u1ec3 thay n\u01b0\u1edbc 2 l\u1ea7n\/ th\u00e1ng \u0111\u1ec3 h\u1ea1n ch\u1ebf \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng.<\/p>\n

2. Ch\u1ecdn gi\u1ed1ng t\u00f4m c\u00e0ng xanh to\u00e0n \u0111\u1ef1c<\/i><\/b><\/p>\n

L\u1ef1a ch\u1ecdn gi\u1ed1ng t\u00f4m c\u00e0ng xanh to\u00e0n \u0111\u1ef1c l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng nh\u1ea5t, ng\u01b0\u1eddi nu\u00f4i c\u00f3 th\u1ec3 ch\u1ecdn t\u00f4m gi\u1ed1ng t\u1ef1 nhi\u00ean v\u00e0 t\u00f4m gi\u1ed1ng nh\u00e2n t\u1ea1o \u0111\u1ec3 nu\u00f4i v\u00e0 c\u1ea7n l\u01b0u \u00fd m\u1ed9t s\u1ed1 d\u1ea5u hi\u1ec7u sau \u0111\u00e2y: T\u00ecm ki\u1ebfm v\u00e0 l\u1ef1a ch\u1ecdn nh\u1eefng con gi\u1ed1ng kh\u1ecfe m\u1ea1nh, b\u01a1i l\u1ed9i nhanh, c\u00f3 \u0111\u1ea7y \u0111\u1ee7 ph\u1ee5 b\u1ed9, \u0111u\u00f4i x\u00f2e khi b\u01a1i l\u1ed9i, ru\u1ed9t \u0111\u1ea7y th\u1ee9c \u0103n. Khi quan s\u00e1t b\u1ec3 t\u00f4m gi\u1ed1ng c\u1ea7n ch\u1ecdn nh\u1eefng con c\u00f3 k\u00edch c\u1ee1 \u0111\u1ed3ng \u0111\u1ec1u, k\u00edch c\u1ee1 > 12 mm. L\u1ef1a ch\u1ecdn nh\u1eefng \u0111\u01a1n v\u1ecb s\u1ea3n xu\u1ea5t gi\u1ed1ng t\u00f4m c\u00e0ng xanh uy t\u00edn, ng\u01b0\u1eddi nu\u00f4i c\u00f3 th\u1ec3 tham kh\u1ea3o ch\u1ecdn gi\u1ed1ng \u1edf Trung t\u00e2m Gi\u1ed1ng v\u1eadt nu\u00f4i S\u00f3c Tr\u0103ng v\u00e0 Trung t\u00e2m Gi\u1ed1ng v\u1eadt nu\u00f4i t\u1ec9nh An Giang,\u2026 v\u00e0 ph\u1ea3i c\u00f3 h\u1ee3p \u0111\u1ed3ng \u0111\u1ea3m b\u1ea3o t\u1ef7 l\u1ec7 \u0111\u1ef1c tr\u00ean 95%. Th\u1ea3 t\u00f4m gi\u1ed1ng v\u00e0o l\u00fac s\u00e1ng s\u1edbm ho\u1eb7c chi\u1ec1u m\u00e1t. M\u1eadt \u0111\u1ed9 nu\u00f4i t\u1eeb 10 -15 con\/ m\u00e9t vu\u00f4ng.<\/p>\n

3. Qu\u1ea3n l\u00fd th\u1ee9c \u0103n
\n<\/i><\/b>Trong k\u1ef9 thu\u1eadt nu\u00f4i t\u00f4m c\u00e0ng xanh to\u00e0n \u0111\u1ef1c th\u00ec vi\u1ec7c cho \u0103n c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c theo d\u00f5i th\u01b0\u1eddng xuy\u00ean. T\u00f4m c\u00e0ng xanh \u0103n m\u1ea1nh v\u00e0o ban \u0111\u00eam n\u00ean ph\u1ea3i cho \u0103n t\u1eeb 2 \u2013 3 l\u1ea7n\/ ng\u00e0y r\u1ea3i \u0111\u1ec1u kh\u1eafp ao nu\u00f4i, cho \u0103n b\u1eb1ng s\u00e0ng v\u1edbi li\u1ec1u l\u01b0\u1ee3ng th\u1ee9c \u0103n t\u1eeb\u00a010 \u2013 20 gr\/ kg. Th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra s\u00e0ng \u0103n \u0111\u1ec3 xem s\u1ee9c \u0103n \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh cho ph\u00f9 h\u1ee3p. Cho t\u00f4m \u0103n th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p v\u1edbi h\u00e0m l\u01b0\u1ee3ng \u0111\u1ea1m 30 \u2013 40%. Ngo\u00e0i ra c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i th\u1ee9c \u0103n t\u1ef1 nhi\u00ean nh\u01b0 cua, \u1ed1c, c\u00e1 v\u1ee5n,\u2026 Hi\u1ec7n nay, th\u1ee9c \u0103n c\u00f4ng nghi\u1ec7p cho t\u00f4m c\u00e0ng xanh ch\u01b0a c\u00f3 n\u00ean ng\u01b0\u1eddi nu\u00f4i c\u00f3 th\u1ec3 tham kh\u1ea3o th\u1ee9c \u0103n cho t\u00f4m th\u1ebb ch\u00e2n tr\u1eafng.<\/p>\n

\"\"<\/p>\n

K\u1ef9 thu\u1eadt nu\u00f4i t\u00f4m c\u00e0ng xanh to\u00e0n \u0111\u1ef1c cho n\u0103ng su\u1ea5t cao<\/p>\n

4. Qu\u1ea3n l\u00fd ao nu\u00f4i t\u00f4m c\u00e0ng xanh<\/i><\/b><\/p>\n

T\u00f4m c\u00e0ng xanh r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi s\u1ef1 thay \u0111\u1ed5i c\u1ee7a nhi\u1ec7t \u0111\u1ed9, c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng, oxy h\u00f2a tan,\u2026 n\u00ean ng\u01b0\u1eddi nu\u00f4i c\u1ea7n ph\u1ea3i th\u01b0\u1eddng xuy\u00ean theo d\u00f5i v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c ch\u1ec9 ti\u00eau v\u1ec1 m\u1ee9c \u1ed5n \u0111\u1ecbnh. B\u1ed1 tr\u00ed t\u1eeb 2 \u2013 4 gi\u00e0n qu\u1ea1t \u0111\u1ec3 b\u1ed5 sung s\u1ee5c kh\u00ed, cung c\u1ea5p oxy cho ao nu\u00f4i t\u00f4m. Th\u01b0\u1eddng xuy\u00ean theo d\u00f5i, quan s\u00e1t \u0111\u01b0\u1eddng ru\u1ed9t t\u00f4m nh\u1eb1m \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 b\u1eaft m\u1ed3i v\u00e0 c\u00e1c d\u1ea5u hi\u1ec7u b\u1ec7nh tr\u00ean t\u00f4m th\u00f4ng qua m\u00e0u s\u1eafc, kh\u1ed1i c\u01a1,\u2026 V\u00e0o chu k\u1ef3 t\u00f4m l\u1ed9t x\u00e1c c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh l\u01b0\u1ee3ng th\u1ee9c \u0103n ph\u00f9 h\u1ee3p k\u1ebft h\u1ee3p v\u1edbi s\u1ee5c kh\u00ed v\u00e0 qu\u1ea1t n\u01b0\u1edbc. B\u1ec3 c\u00e0ng \u0111\u1ec3 t\u00f4m l\u1edbn nhanh, t\u0103ng t\u1ef7 l\u1ec7 s\u1ed1ng.B\u1ebb c\u00e0ng \u1edf v\u1ecb tr\u00ed kh\u1edbp g\u1ea7n c\u01a1 th\u1ec3 \u0111\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho t\u00f4m t\u1ef1 b\u1ecf c\u00e0ng. Sau th\u1eddi gian 3- 4 th\u00e1ng c\u00e0ng t\u00f4m s\u1ebd t\u1ef1 m\u1ecdc tr\u1edf l\u1ea1i. \u00c1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng b\u1ec7nh t\u1ed5ng h\u1ee3p \u0111\u1ec3 ng\u0103n ng\u1eeba c\u00e1c b\u1ec7nh th\u01b0\u1eddng g\u1eb7p \u1edf t\u00f4m c\u00e0ng xanh. \u0110\u1ecbnh k\u1ef3 s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i ch\u1ebf ph\u1ea9m sinh h\u1ecdc cho ao nu\u00f4i. Nu\u00f4i t\u00f4m c\u00e0ng xanh k\u00e9o d\u00e0i t\u1eeb 4 \u2013 5 th\u00e1ng r\u1ed3i thu ho\u1ea1ch.<\/p>\n

\u00c1p d\u1ee5ng k\u1ef9 thu\u1eadt nu\u00f4i t\u00f4m c\u00e0ng xanh to\u00e0n \u0111\u1ef1c c\u00f3 th\u1ec3 \u0111em l\u1ea1i thu nh\u1eadp h\u00e0ng tr\u0103m tri\u1ec7u \u0111\u1ed3ng\/ ha\/ n\u0103m cao g\u1ea5p 2 \u2013 3 l\u1ea7n so v\u1edbi m\u00f4 h\u00ecnh nu\u00f4i t\u00f4m c\u00e0ng xanh tr\u00ean ru\u1ed9ng l\u00faa th\u00f4ng th\u01b0\u1eddng. \u0110\u00e2y l\u00e0 m\u1ed9t s\u00e1ng ki\u1ebfn m\u1edbi v\u00e0 \u0111\u01b0\u1ee3c nhi\u1ec1u h\u1ed9 nu\u00f4i \u00e1p d\u1ee5ng \u0111em l\u1ea1i l\u1ee3i nhu\u1eadn cao cho v\u1ee5 nu\u00f4i.<\/p>\n","protected":false},"excerpt":{"rendered":"

T\u00f4m c\u00e0ng xanh l\u00e0 m\u1ed9t lo\u00e0i gi\u00e1p x\u00e1c sinh tr\u01b0\u1edfng t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc l\u1ee3. T\u00f4m c\u00e0ng xanh r\u1ea5t d\u1ec5 nu\u00f4i, nhanh l\u1edbn, \u00edt d\u1ecbch b\u1ec7nh v\u00e0 c\u00f3 gi\u00e1 tr\u1ecb dinh d\u01b0\u1ee1ng kh\u00f4ng k\u00e9m g\u00ec so v\u1edbi t\u00f4m th\u1ebb, t\u00f4m s\u00fa. T\u00f4m c\u00e0ng xanh s\u1ed1ng ch\u1ee7 y\u1ebfu trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc ng\u1ecdt, nh\u01b0ng c\u00f3<\/p>\n","protected":false},"author":1,"featured_media":102,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-101","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ky-thuat-nuoi-tom"],"_links":{"self":[{"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/posts\/101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/comments?post=101"}],"version-history":[{"count":1,"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/posts\/101\/revisions"}],"predecessor-version":[{"id":104,"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/posts\/101\/revisions\/104"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/media\/102"}],"wp:attachment":[{"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/media?parent=101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/categories?post=101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tomcangdailoi.com\/index.php\/wp-json\/wp\/v2\/tags?post=101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}