{"id":8418,"date":"2019-06-09T23:04:58","date_gmt":"2019-06-09T16:04:58","guid":{"rendered":"https:\/\/biotekco.vn\/?p=8418"},"modified":"2019-06-27T14:33:24","modified_gmt":"2019-06-27T07:33:24","slug":"bot-khong-tan-trong-ao-nuoi-tom-nguyen-nhan-va-cach-khac-phuc","status":"publish","type":"post","link":"https:\/\/hhbio.vn\/?p=8418","title":{"rendered":"B\u1ecdt kh\u00f4ng tan trong ao nu\u00f4i t\u00f4m – Nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c"},"content":{"rendered":"\n

Vi\u1ec7c ch\u1ea1y qu\u1ea1t n\u01b0\u1edbc ho\u1eb7c ch\u1ea1y \u00f4-xy \u0111\u00e1y trong nu\u00f4i t\u00f4m l\u00e0 \u0111i\u1ec1u ki\u1ec7n h\u00ecnh th\u00e0nh m\u00e0ng b\u1ecdt tr\u00ean m\u1eb7t\u00a0ao nu\u00f4i. Trong \u0111i\u1ec1u ki\u1ec7n n\u01b0\u1edbc s\u1ea1ch, kh\u00f4ng nh\u1edbt, kh\u00f4ng c\u00f3 v\u1eadt ch\u1ea5t l\u01a1 l\u1eedng, m\u00e0ng b\u1ecdt s\u1ebd nhanh ch\u00f3ng tan \u0111i.
Tr\u01b0\u1eddng h\u1ee3p \u00a0m\u00e0ng b\u1ecdt l\u00e2u tan, t\u1ea1o th\u00e0nh v\u1ec7t d\u00e0i sau gu\u1ed3ng qu\u1ea1t ho\u1eb7c t\u1eadp trung \u1edf g\u00f3c ao t\u1ea1o th\u00e0nh v\u00e1ng b\u1ecdt l\u00e0 n\u01b0\u1edbc c\u00f3 \u0111\u1ed9 nh\u1edbt, m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc nu\u00f4i \u0111ang x\u1ea5u \u0111i, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a t\u00f4m v\u00e0 tr\u01b0\u1eddng h\u1ee3p tr\u1ea7m tr\u1ecdng c\u00f3 th\u1ec3 g\u00e2y thi\u1ec7t h\u1ea1i cho t\u00f4m nu\u00f4i. <\/p>\n\n\n\n

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N\u01b0\u1edbc ao s\u1ea1ch, m\u00e0ng b\u1ecdt nhanh ch\u00f3ng v\u1ee1 tan sau gu\u1ed3ng qu\u1ea1t <\/em><\/figcaption><\/figure><\/div>\n\n\n\n
\"\"
N\u01b0\u1edbc ao \u00f4 nhi\u1ec5m, m\u00e0ng b\u1ecdt k\u00e9o d\u00e0i sau gu\u1ed3ng qu\u1ea1t, h\u00ecnh th\u00e0nh v\u00e1ng b\u1ecdt cu\u1ed1i ao<\/em> <\/figcaption><\/figure><\/div>\n\n\n\n
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H\u00ecnh 1: C\u00e1c h\u1ea1t v\u1eadt  ch\u1ea5t t\u1ea1o s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t (m\u00e0u \u0111\u1ecf) l\u00e0m cho  b\u1ecdt kh\u00ed c\u00f3 d\u1ea1ng tr\u00f2n.<\/em> <\/figcaption><\/figure><\/div>\n\n\n\n

S\u1ef1 ph\u00e2n t\u00e1n c\u1ee7a ch\u1ea5t kh\u00ed trong m\u00f4i tr\u01b0\u1eddng ao nu\u00f4i t\u1ea1o th\u00e0nh h\u1ea1t kh\u00ed c\u00f3 \u00a0d\u1ea1ng h\u00ecnh c\u1ea7u. Khi c\u00f3 s\u1ef1 d\u01b0 th\u1eeba \u1edf pha kh\u00ed, c\u00e1c b\u1ecdt kh\u00ed ch\u00e8n \u00e9p nhau v\u00e0 t\u1ea1o th\u00e0nh c\u00e1c d\u1ea1ng \u0111a di\u1ec7n, ph\u00e2n c\u00e1ch nhau b\u1edfi c\u00e1c m\u00e0ng m\u1ecfng g\u1ecdi l\u00e0 m\u00e0ng b\u1ecdt.<\/em>
Th\u1eddi gian t\u1ed3n t\u1ea1i c\u1ee7a m\u00e0ng b\u1ecdt ph\u1ee5 thu\u1ed9c b\u1ea3n ch\u1ea5t c\u1ee7a ch\u1ea5t l\u1ecfng (s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t) m\u00e0 h\u1ea1t kh\u00ed ph\u00e2n t\u00e1n trong \u0111\u00f3, n\u1ebfu m\u00e0ng b\u1ecdt t\u1ed3n t\u1ea1i th\u1eddi gian l\u00e2u s\u1ebd k\u1ebft t\u1ee5 th\u00eam nhi\u1ec1u v\u1eadt ch\u1ea5t l\u01a1 l\u1eedng, h\u00ecnh th\u00e0nh v\u00e1ng b\u1ecdt n\u1ed5i tr\u00ean m\u1eb7t ao nu\u00f4i. <\/em><\/p>\n\n\n\n

<\/p>\n\n\n\n

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 C\u00e1c h\u1ea1t kh\u00ed t\u1ea1o th\u00e0nh m\u00e0ng b\u1ecdt tr\u00ean m\u1eb7t n\u01b0\u1edbc nh\u1edd s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t c\u1ee7a dung d\u1ecbch<\/em> <\/figcaption><\/figure><\/div>\n\n\n\n

C\u00f3 nhi\u1ec1u nguy\u00ean nh\u00e2n g\u00e2y ra t\u00ecnh tr\u1ea1ng v\u00e1ng b\u1ecdt trong ao nu\u00f4i, BIOTEK xin chia s\u1ebb m\u1ed9t s\u1ed1 th\u00f4ng tin sau \u0111\u00e2y gi\u00fap ng\u01b0\u1eddi nu\u00f4i x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n \u0111\u1ec3 \u00e1p d\u1ee5ng bi\u1ec7n ph\u00e1p x\u1eed l\u00fd hi\u1ec7u qu\u1ea3 h\u01a1n. <\/p>\n\n\n\n

  1. T\u1ea3o ch\u1ebft<\/strong>:<\/li><\/ol>\n\n\n\n

    Khi m\u00f4i tr\u01b0\u1eddng ao t\u00edch t\u1ee5 nhi\u1ec1u ch\u1ea5t c\u1eb7n b\u00e3 h\u1eefu c\u01a1, m\u1ea5t c\u00e2n b\u1eb1ng dinh d\u01b0\u1ee1ng Nito v\u00e0 phospho, nh\u00f3m t\u1ea3o \u0111\u1ed9c nh\u01b0 t\u1ea3o lam,<\/em> t\u1ea3o m\u1eaft, t\u1ea3o gi\u00e1p\u00a0s\u1ebd ph\u00e1t tri\u1ec3n m\u1ea1nh, t\u1ea3o n\u1edf hoa, sinh ra nhi\u1ec1u ch\u1ea5t \u0111\u1ed9c l\u00e0m t\u0103ng \u0111\u1ed9 nh\u1edbt n\u01b0\u1edbc ao,\u00a0t\u1ea1o\u00a0v\u00e1ng b\u1ecdt kh\u00f3 tan. Ho\u1eb7c pH n\u01b0\u1edbc ao kh\u00f4ng \u1ed5n \u0111\u1ecbnh, \u0111\u1ed9 ki\u1ec1m th\u1ea5p, ho\u1eb7c do\u00a0x\u1eed l\u00fd h\u00f3a ch\u1ea5t di\u1ec7t khu\u1ea9n, di\u1ec7t t\u1ea3o kh\u00f4ng ph\u00f9 h\u1ee3p, t\u1ea3o s\u1ebd ch\u1ebft \u0111\u1ed3ng lo\u1ea1t (s\u1ee5p t\u1ea3o) g\u00e2y v\u00e1ng b\u1ecdt trong ao.<\/p>\n\n\n\n

    Bi\u1ec7n ph\u00e1p x\u1eed l\u00fd<\/strong><\/em>:<\/strong><\/p>\n\n\n\n

    – Ki\u1ec3m tra pH ao nu\u00f4i ng\u00e0y 2 l\u1ea7n v\u00e0o s\u00e1ng v\u00e0 chi\u1ec1u \u0111\u1ec3 can thi\u1ec7p k\u1ecbp th\u1eddi, kh\u00f4ng \u0111\u1ec3 bi\u1ebfn \u0111\u1ed9ng l\u1edbn, t\u1ed1t nh\u1ea5t l\u00e0 gi\u1eef s\u1ef1 dao \u0111\u1ed9ng pH kh\u00f4ng qu\u00e1 0,5 gi\u1eefa 2 l\u1ea7n ki\u1ec3m tra. C\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh pH n\u01b0\u1edbc b\u1eb1ng c\u00e1ch\u00a0b\u1ed5 sung m\u1eadt r\u1ec9 \u0111\u01b0\u1eddng, Men vi sinh x\u1eed l\u00fd t\u1ea3o<\/em><\/strong><\/a> \u00a0v\u00e0o ao \u0111\u1ec3 gi\u1ea3m qu\u1ea7n th\u1ec3 t\u1ea3o \u0111\u1ed9c, k\u00e9o gi\u1ea3m pH, h\u1ea1n ch\u1ebf pH dao \u0111\u1ed9ng cao d\u1eabn \u0111\u1ebfn t\u00f4m nu\u00f4i b\u1ecb stress v\u00e0 m\u1ea7m b\u1ec7nh d\u1ec5 x\u00e2m nh\u1eadp.<\/p>\n\n\n\n

    \"\"
    Ch\u1ee9a enzyme ph\u00e2n h\u1ee7y v\u00e1ch t\u1ebf b\u00e0o c\u1ee9ng c\u1ee7a x\u00e1c t\u1ea3o \u0111\u1ed9c. <\/em><\/figcaption><\/figure><\/div>\n\n\n\n

    – Duy tr\u00ec h\u00e0m l\u01b0\u1ee3ng N\/P trong n\u01b0\u1edbc ao \u00a0\u1edf m\u1ee9c ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u1ea3o khu\u00ea, t\u1ea3o l\u1ee5c ph\u00e1t tri\u1ec3n b\u1eb1ng c\u00e1ch gi\u1ea3m l\u01b0\u1ee3ng th\u1ee9c \u0103n \u0111\u1ec3 gi\u1ea3m ch\u1ea5t th\u1ea3i h\u1eefu c\u01a1 d\u01b0 th\u1eeba, b\u1ed5 sung Men vi sinh x\u1eed l\u00fd n\u01b0\u1edbc<\/em><\/strong><\/a> \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 ph\u00e2n gi\u1ea3i ch\u1ea5t h\u1eefu c\u01a1 trong n\u01b0\u1edbc ao nu\u00f4i. Tr\u01b0\u1eddng h\u1ee3p ph\u00e1t hi\u1ec7n ch\u1ea5t h\u1eefu c\u01a1 t\u00edch t\u1ee5 nhi\u1ec1u trong ao l\u00e0 \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho nh\u00f3m t\u1ea3o \u0111\u1ed9c ph\u00e1t tri\u1ec3n, c\u1ea7n thay n\u01b0\u1edbc 30% m\u1ed7i l\u1ea7n v\u00e0 li\u00ean t\u1ee5c \u0111\u1ebfn khi m\u00f4i tr\u01b0\u1eddng ao nu\u00f4i tr\u1edf l\u1ea1i b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n

    2. Do kh\u00ed \u0111\u1ed9c<\/em><\/strong>:<\/p>\n\n\n\n

    Trong qu\u00e1\u00a0tr\u00ecnh ph\u00e2n h\u1ee7y y\u1ebfm kh\u00ed l\u1edbp b\u00f9n b\u00e3 h\u1eefu c\u01a1 t\u1eeb \u0111\u00e1y ao nu\u00f4i \u0111\u00e3 l\u00e0m s\u1ea3n sinh c\u00e1c kh\u00ed \u0111\u1ed9c nh\u01b0 H2<\/sub>S, CH4<\/sub>, NH3<\/sub>, NO2<\/sub>\u2026 C\u00e1c kh\u00ed s\u1ea3n sinh s\u1ebd\u00a0k\u1ebft h\u1ee3p l\u01b0\u1ee3ng oxy h\u00f2a tan trong n\u01b0\u1edbc \u0111\u1ec3 chuy\u1ec3n h\u00f3a th\u00e0nh d\u1ea1ng \u00edt \u0111\u1ed9c h\u01a1n v\u00e0 \u00a0s\u1ebd nhanh ch\u00f3ng ph\u00f3ng th\u00edch kh\u1ecfi m\u00f4i tr\u01b0\u1eddng. Khi l\u01b0\u1ee3ng ch\u1ea5t th\u1ea3i h\u1eefu c\u01a1 t\u00edch t\u1ee5 \u0111\u00e1y ao nhi\u1ec1u, qu\u00e1 tr\u00ecnh ph\u00e2n gi\u1ea3i y\u1ebfm kh\u00ed x\u1ea3y ra m\u1ea1nh, kh\u00ed \u0111\u1ed9c s\u1ebd gia t\u0103ng h\u00ecnh th\u00e0nh v\u00e1ng b\u1ecdt trong ao.
    N\u01b0\u1edbc ao nu\u00f4i c\u00f3\u00a0pH cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao\u00a0kh\u1ea3 n\u0103ng g\u00e2y \u0111\u1ed9c cho t\u00f4m c\u00e0ng gia t\u0103ng.<\/p>\n\n\n\n

    \"\"
    Vi khu\u1ea9n y\u1ebfm kh\u00ed ph\u00e2n h\u1ee7y ch\u1ea5t th\u1ea3i h\u1eefu c\u01a1 t\u00edch t\u1ee5 l\u00e2u ng\u00e0y \u1edf \u0111\u00e1y ao l\u00e0m s\u1ea3n sinh kh\u00ed \u0111\u1ed9c <\/em> <\/figcaption><\/figure><\/div>\n\n\n\n

    Bi\u1ec7n ph\u00e1p x\u1eed l\u00fd:<\/em><\/strong><\/p>\n\n\n\n

    – B\u1ed5 sung Men vi sinh x\u1eed l\u00fd \u0111\u00e1y<\/em><\/strong> <\/a> v\u00e0o ao nu\u00f4i, \u0111\u1ed3ng th\u1eddi b\u1ed5 sung th\u00eam m\u1eadt r\u1ec9 \u0111\u01b0\u1eddng \u0111\u1ec3\u00a0m\u00f4i tr\u01b0\u1eddng c\u00f3 t\u1ec9 l\u1ec7 C\/N ph\u00f9 h\u1ee3p cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a vi sinh v\u1eadt, gi\u00fap chuy\u1ec3n h\u00f3a nhanh \u0111\u1ed9c ch\u1ea5t trong ao nu\u00f4i.<\/p>\n\n\n\n

    \"\"
    L\u00e0m s\u1ea1ch nh\u00e0y nh\u1edbt b\u00e1m tr\u00ean b\u1ea1t, c\u00e1c v\u1eadt d\u1ee5ng tr\u00ean ao; L\u00e0m s\u1ea1ch \u0111\u1ed9 nh\u1edbt c\u1ee7a n\u01b0\u1edbc; Ng\u0103n ch\u1eb7n ngu\u1ed3n dinh d\u01b0\u1ee1ng c\u1ee7a Vibrio; Th\u00fac \u0111\u1ea9y c\u00e2n b\u1eb1ng sinh th\u00e1i m\u00f4i tr\u01b0\u1eddng; H\u1ea5p thu v\u00e0 chuy\u1ec3n h\u00f3a c\u00e1c lo\u1ea1i kh\u00ed \u0111\u1ed9c trong ao. <\/em><\/figcaption><\/figure><\/div>\n\n\n\n

    – K\u1ebft h\u1ee3p Zeolite v\u00e0 Yucca gi\u00fap h\u1ea5p thu kh\u00ed \u0111\u1ed9c (do Zeolite t\u00e1c \u0111\u1ed9ng k\u00e9m trong n\u01b0\u1edbc m\u1eb7n, c\u1ea7n t\u0103ng li\u1ec1u khi n\u01b0\u1edbc nu\u00f4i c\u00f3 \u0111\u1ed9 m\u1eb7n cao).<\/p>\n\n\n\n

    – T\u0103ng c\u01b0\u1eddng ch\u1ea1y qu\u1ea1t, s\u1ee5c kh\u00ed \u0111\u00e1y \u0111\u1ec3 t\u0103ng oxy h\u00f2a tan v\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3  ph\u00f3ng th\u00edch nhanh kh\u00ed \u0111\u1ed9c kh\u1ecfi m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc ao nu\u00f4i.<\/p>\n\n\n\n

    – Ti\u1ebfn h\u00e0nh xi-ph\u00f4ng \u0111\u00e1y ao \u0111\u1ecbnh k\u1ef3 v\u00e0 th\u01b0\u1eddng xuy\u00ean.<\/p>\n\n\n\n

    3. S\u1ef1 t\u0103ng tr\u01b0\u1edfng c\u1ee7a vi sinh v\u1eadt d\u1ea1ng s\u1ee3i<\/em><\/strong>:<\/p>\n\n\n\n

    Khi n\u01b0\u1edbc ao m\u1ea5t c\u00e2n b\u1eb1ng N v\u00e0 P s\u1ebd th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t\u00a0tri\u1ec3n c\u1ee7a vi sinh v\u1eadt d\u1ea1ng s\u1ee3i nh\u01b0\u00a0\u00a0Microthrix parvicella<\/em>,\u00a0Nocardioforms<\/em>. \u0110\u00e2y l\u00e0 c\u00e1c vi sinh v\u1eadt c\u00f3 kh\u1ea3 n\u0103ng s\u1ea3n sinh ra c\u00e1c h\u1ee3p ch\u1ea5t k\u1ef5 n\u01b0\u1edbc k\u1ebft n\u1ed1i c\u00e1c b\u1ecdt kh\u00ed t\u1ea1o v\u00e1ng b\u1ecdt, \u0111\u1ed3ng th\u1eddi, khi ch\u1ebft \u0111i, nh\u00f3m vi sinh v\u1eadt d\u1ea1ng s\u1ee3i c\u00f2n ph\u00f3ng th\u00edch c\u00e1c ch\u1ea5t b\u1ec1 m\u1eb7t sinh h\u1ecdc l\u00e0m n\u01b0\u1edbc t\u0103ng \u0111\u1ed9 nh\u1edbt, qu\u00e1 tr\u00ecnh t\u1ea1o v\u00e1ng b\u1ecdt c\u00e0ng gia t\u0103ng.<\/p>\n\n\n\n

    \"\"<\/figure><\/div>\n\n\n\n

    Bi\u1ec7n ph\u00e1p x\u1eed l\u00fd:<\/em><\/strong><\/p>\n\n\n\n

    \u00a0 \u00a0 \u00a0 – \u00a0S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a vi sinh v\u1eadt d\u1ea1ng s\u1ee3i th\u1ec3 hi\u1ec7n n\u01b0\u1edbc ao \u00f4 nhi\u1ec5m nghi\u00eam tr\u1ecdng, t\u00f4m kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i trong m\u00f4i tr\u01b0\u1eddng c\u00f3 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a vi sinh v\u1eadt d\u1ea1ng s\u1ee3i. C\u1ea7n xi-ph\u00f4ng \u0111\u00e1y ao v\u00e0 thay n\u01b0\u1edbc.<\/p>\n\n\n\n

    \u00a0 \u00a0 \u00a0 \u00a0– B\u1ed5 sung Men vi sinh x\u1eed l\u00fd n\u01b0\u1edbc<\/em><\/strong><\/a> (c\u00f3 ch\u1ee9a vi sinh v\u1eadt c\u00f3 l\u1ee3i<\/a> v\u00e0 enzyme<\/a>) ph\u00e2n h\u1ee7y b\u00f9n b\u00e3 h\u1eefu c\u01a1.<\/p>\n\n\n\n

    \"\"
    Th\u00e0nh ph\u1ea7n: Bacillus subtilis, Bacillus licheniformis, Saccharomyces cerevisiae, Protease, Amylase, Cellulase, Xylanase.<\/figcaption><\/figure><\/div>\n\n\n\n

    – K\u1ebft h\u1ee3p b\u1ed5 sung Men vi sinh ti\u00eau h\u00f3a th\u1ee7y s\u1ea3n<\/em><\/strong><\/a> c\u00f3 ch\u1ee9a Phytase<\/a> v\u00e0o th\u1ee9c \u0103n t\u00f4m \u0111\u1ec3\u00a0 h\u1ed7 tr\u1ee3 ti\u00eau h\u00f3a, h\u1ea1n ch\u1ebf \u0111\u1ea1m d\u01b0 th\u1eeba v\u00e0 phospho kh\u00f4ng chuy\u1ec3n h\u00f3a trong ph\u00e2n, ch\u1ea5t th\u1ea3i\u00a0t\u00f4m v\u1ea5y nhi\u1ec5m v\u00e0o ao nu\u00f4i.<\/p>\n\n\n\n

    \"\"
    Ch\u1ee9a enzyme PHYTASE gi\u00fap chuy\u1ec3n h\u00f3a phospho trong th\u1ee9c \u0103n th\u00e0nh d\u1ea1ng phospho d\u1ec5 h\u1ea5p thu gi\u00fap t\u00f4m l\u1edbn nhanh, ng\u0103n ng\u1eeba b\u1ec7nh m\u1ec1m v\u1ecf. <\/em><\/figcaption><\/figure><\/div>\n\n\n\n

    – Thay 30% n\u01b0\u1edbc ao 1 l\u1ea7n \u0111\u1ebfn khi n\u01b0\u1edbc c\u00f3 d\u1ea5u hi\u1ec7u gi\u1ea3m \u00f4 nhi\u1ec5m, nh\u1ea1t m\u00e0u.<\/p>\n\n\n\n

    4. T\u00e1c \u0111\u1ed9ng c\u1ee7a thu\u1ed1c x\u1eed l\u00fd n\u01b0\u1edbc:<\/em><\/strong><\/p>\n\n\n\n

    C\u00e1c ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t nh\u01b0 anionic, linear alkylbenzenesulphonic axit, sodium lauryl ether sulphate, ankyl monoetanolamit\u2026 th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00e1c Nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u01b0a v\u00e0o c\u00e1c lo\u1ea1i h\u00f3a ch\u1ea5t x\u1eed l\u00fd n\u01b0\u1edbc \u0111\u1ec3 l\u00e0m gi\u1ea3m t\u00e1c \u0111\u1ed9ng b\u1ec1 m\u1eb7t gi\u1eefa hai ch\u1ea5t l\u1ecfng, gi\u00fap thu\u1ed1c s\u00e1t tr\u00f9ng\/di\u1ec7t khu\u1ea9n ph\u00e2n t\u00e1n t\u1ed1t h\u01a1n trong ao nu\u00f4i, l\u00e0m\u00a0 t\u0103ng t\u00e1c \u0111\u1ed9ng c\u1ee7a s\u1ea3n ph\u1ea9m. S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a ch\u1ea5t\u00a0 ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t trong s\u1ea3n ph\u1ea9m s\u1ebd\u00a0l\u00e0m t\u0103ng \u0111\u1ed9 nh\u1edbt c\u1ee7a n\u01b0\u1edbc, l\u00e0 nguy\u00ean nh\u00e2n t\u1ea1o b\u1ecdt khi ch\u1ea1y qu\u1ea1t n\u01b0\u1edbc ho\u1eb7c s\u1ee5c kh\u00ed trong ao nu\u00f4i.
    \u0110\u00f4i khi s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a B\u1ecdt sau khi s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t x\u1eed l\u00fd n\u01b0\u1edbc l\u00e0 y\u1ebfu t\u1ed1 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m \u0111\u00f3 do c\u00f3 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a\u00a0y\u1ebfu t\u1ed1 l\u00e0m t\u0103ng t\u00e1c d\u1ee5ng s\u1ea3n ph\u1ea9m. <\/p>\n\n\n\n

    Bi\u1ec7n ph\u00e1p x\u1eed l\u00fd:<\/em><\/strong><\/p>\n\n\n\n

    \u00a0 S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a b\u1ecdt trong ao nu\u00f4i do ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t trong s\u1ea3n ph\u1ea9m s\u1ebd nhanh ch\u00f3ng tan \u0111i, kh\u00f4ng h\u00ecnh th\u00e0nh v\u00e1ng b\u1ecdt trong ao nu\u00f4i n\u00ean kh\u00f4ng c\u1ea7n x\u1eed l\u00fd.<\/p>\n\n\n\n

    5. Ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng<\/em><\/strong>:<\/p>\n\n\n\n

    C\u00f3 nhi\u1ec1u nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn s\u1ef1 hi\u1ec7n di\u1ec7n nhi\u1ec1u c\u1ee7a ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng trong ao nu\u00f4i nh\u01b0: B\u1ed5 sung Carbohydrate cho ao nu\u00f4i qu\u00e1 m\u1ee9c c\u1ea7n thi\u1ebft, d\u00f9ng v\u00f4i k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ec3 t\u0103ng \u0111\u1ed9 ki\u1ec1m n\u01b0\u1edbc ao, m\u1ee9c n\u01b0\u1edbc ao th\u1ea5p, \u0111\u1ea5t s\u00e9t ven b\u1edd\u00a0b\u1ecb r\u1eeda tr\u00f4i v\u00e0o ao sau m\u01b0a, th\u1ee9c \u0103n d\u01b0 th\u1eeba, nu\u00f4i m\u1eadt \u0111\u1ed9 cao\u2026 l\u00e0m t\u0103ng \u0111\u1ed9 \u0111\u1ee5c, \u0111\u1ed9 nh\u1edbt c\u1ee7a n\u01b0\u1edbc, d\u1eabn \u0111\u1ebfn t\u1ea1o v\u00e1ng b\u1ecdt trong ao nu\u00f4i.<\/p>\n\n\n\n

    Bi\u1ec7n ph\u00e1p x\u1eed l\u00fd<\/strong><\/em>:<\/strong><\/p>\n\n\n\n

    Ao c\u00f3 v\u00e1ng b\u1ecdt do nhi\u1ec1u ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng n\u1ebfu \u00edt ho\u1eb7c kh\u00f4ng\u00a0c\u00f3 m\u00f9i h\u00f4i, ch\u1ec9 c\u1ea7n thay 30% n\u01b0\u1edbc ao m\u1ed9t l\u1ea7n \u0111\u1ebfn khi n\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh tr\u1edf l\u1ea1i. <\/p>\n\n\n\n

    Tuy nhi\u00ean, tr\u01b0\u1eddng h\u1ee3p ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng nhi\u1ec1u s\u1ebd g\u00e2y gi\u1ea3m oxy h\u00f2a tan trong n\u01b0\u1edbc, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n ch\u1ea5t b\u1ea9n \u0111\u00f3ng mang t\u00f4m g\u00e2y c\u1ea3n tr\u1edf h\u00f4 h\u1ea5p, t\u00f4m d\u1ec5 b\u1ec7nh ngo\u1ea1i k\u00fd sinh… C\u1ea7n t\u00edch c\u1ef1c ki\u1ec3m so\u00e1t t\u00e1c nh\u00e2n g\u00e2y n\u00ean\u00a0ch\u1ea5t r\u1eafn l\u01a1 l\u1eefng trong ao nh\u01b0: kh\u00f4ng d\u00f9ng v\u00f4i\u00a0nhi\u1ec5m t\u1ea1p ch\u1ea5t kh\u00f4ng tan, che ph\u1ee7\u00a0b\u1edd b\u1eb1ng b\u1ea1t nilon \u0111\u1ec3 tr\u00e1nh \u0111\u1ea5t r\u1eeda tr\u00f4i, ki\u1ec3m so\u00e1t th\u1ee9c \u0103n th\u1eeba, xi-ph\u00f4ng \u0111\u00e1y ao, b\u1ed5 sung Men vi sinh x\u1eed l\u00fd n\u01b0\u1edbc<\/strong><\/em><\/a> th\u01b0\u1eddng xuy\u00ean…<\/p>\n\n\n\n

    Team R&D BIOTEK<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    Trong \u0111i\u1ec1u ki\u1ec7n n\u01b0\u1edbc s\u1ea1ch, kh\u00f4ng nh\u1edbt, kh\u00f4ng c\u00f3 v\u1eadt ch\u1ea5t l\u01a1 l\u1eefng, m\u00e0ng b\u1ecdt s\u1ebd nhanh ch\u00f3ng tan \u0111i. Tr\u01b0\u1eddng h\u1ee3p m\u00e0ng b\u1ecdt l\u00e2u tan, t\u1ea1o th\u00e0nh v\u1ec7t d\u00e0i sau gu\u1ed3ng qu\u1ea1t ho\u1eb7c t\u1eadp trung \u1edf g\u00f3c ao t\u1ea1o th\u00e0nh v\u00e1ng b\u1ecdt l\u00e0 n\u01b0\u1edbc c\u00f3 \u0111\u1ed9 nh\u1edbt, m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc nu\u00f4i \u0111ang x\u1ea5u \u0111i, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a t\u00f4m v\u00e0 tr\u01b0\u1eddng h\u1ee3p tr\u1ea7m tr\u1ecdng s\u1ebd g\u00e2y thi\u1ec7t h\u1ea1i cho t\u00f4m nu\u00f4i. <\/p>\n","protected":false},"author":4,"featured_media":8420,"comment_status":"closed","ping_status":"closed","sticky":true,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"footnotes":""},"categories":[2,5],"tags":[907],"class_list":["post-8418","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sinh-hoc","category-thuy-san","tag-men-vi-sinh-xu-ly-day"],"yoast_head":"\nB\u1ecdt kh\u00f4ng tan trong ao nu\u00f4i t\u00f4m - Nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<\/title>\n<meta name=\"description\" content=\"Tr\u01b0\u1eddng h\u1ee3p m\u00e0ng b\u1ecdt l\u00e2u tan, t\u1ea1o th\u00e0nh v\u1ec7t d\u00e0i sau gu\u1ed3ng qu\u1ea1t ho\u1eb7c t\u1eadp trung \u1edf g\u00f3c ao t\u1ea1o th\u00e0nh v\u00e1ng b\u1ecdt l\u00e0 n\u01b0\u1edbc c\u00f3 \u0111\u1ed9 nh\u1edbt, m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc nu\u00f4i \u0111ang x\u1ea5u \u0111i, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a t\u00f4m v\u00e0 tr\u01b0\u1eddng h\u1ee3p tr\u1ea7m tr\u1ecdng s\u1ebd g\u00e2y thi\u1ec7t h\u1ea1i cho t\u00f4m nu\u00f4i.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hhbio.vn\/?p=8418\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"B\u1ecdt kh\u00f4ng tan trong ao nu\u00f4i t\u00f4m - 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