{"id":1965,"date":"2017-03-31T16:40:03","date_gmt":"2017-03-31T09:40:03","guid":{"rendered":"http:\/\/apanano.com\/?p=1965"},"modified":"2023-02-24T17:13:26","modified_gmt":"2023-02-24T10:13:26","slug":"ung-dung-cong-nghe-sinh-hoc-trong-chan-nuoi","status":"publish","type":"post","link":"https:\/\/apanano.vn\/en\/news\/ung-dung-cong-nghe-sinh-hoc-trong-chan-nuoi\/","title":{"rendered":"\u1ee8ng d\u1ee5ng C\u00f4ng Ngh\u1ec7 Sinh H\u1ecdc trong ch\u0103n nu\u00f4i"},"content":{"rendered":"

I. T\u00ecnh h\u00ecnh \u1ee9ng d\u1ee5ng C\u00f4ng Ngh\u1ec7 Sinh H\u1ecdc trong ch\u0103n nu\u00f4i<\/strong><\/h3>\n

1. Tr\u00ean th\u1ebf gi\u1edbi<\/strong><\/h4>\n

C\u00f4ng ngh\u1ec7 sinh h\u1ecdc (CNSH) \u0111\u00e3 v\u00e0 \u0111ang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 \u1ee9ng d\u1ee5ng ng\u00e0y c\u00e0ng nhi\u1ec1u tr\u00ean th\u1ebf gi\u1edbi. Trong khu\u00f4n kh\u1ed5 c\u1ee7a b\u00e1o c\u00e1o n\u00e0y, ch\u1ec9 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c \u1ee9ng d\u1ee5ng CNSH \u1edf c\u00e1c n\u01b0\u1edbc \u0111ang ph\u00e1t tri\u1ec3n tr\u00ean th\u1ebf gi\u1edbi, nh\u1eefng n\u01a1i c\u00f3 \u0111i\u1ec1u ki\u1ec7n t\u01b0\u01a1ng \u1ee9ng v\u1edbi \u0111i\u1ec1u ki\u1ec7n c\u1ee7a Vi\u1ec7t Nam.<\/p>\n

\"\"<\/p>\n

Ch\u0103n nu\u00f4i ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng h\u01a1n trong vi\u1ec7c ph\u00e1t tri\u1ec3n n\u00f4ng nghi\u1ec7p \u1edf c\u00e1c n\u01b0\u1edbc \u0111ang ph\u00e1t tri\u1ec3n. \u1ede c\u00e1c n\u01b0\u1edbc n\u00e0y, ph\u1ea7n l\u1edbn ng\u01b0\u1eddi ch\u0103n nu\u00f4i v\u1edbi quy m\u00f4 n\u00f4ng h\u1ed9, di\u1ec7n t\u00edch \u0111\u1ea5t nh\u1ecf, s\u1ed1 l\u01b0\u1ee3ng gia s\u00fac \u00edt. \u0110\u1ed3ng th\u1eddi, h\u1ecd ph\u1ea3i ch\u0103n nu\u00f4i trong \u0111i\u1ec1u ki\u1ec7n kh\u00f3 kh\u0103n nh\u01b0: kh\u00f4ng c\u00f3 \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 kh\u1eafc ph\u1ee5c nh\u1eefng kh\u00f3 kh\u0103n c\u1ee7a kh\u00ed h\u1eadu (n\u00f3ng, \u1ea9m, thi\u1ebfu n\u01b0\u1edbc s\u1ea1ch\u2026), kh\u00f4ng c\u00f3 \u0111\u1ee7 th\u00f4ng tin \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nh\u1eefng ngu\u1ed3n th\u1ef1c ph\u1ea9m c\u00f3 th\u1ec3 d\u00f9ng cho gia s\u00fac. V\u00ec v\u1eady, kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t v\u00e0 sinh s\u1ea3n c\u1ee7a gia s\u00fac \u1edf c\u00e1c n\u01b0\u1edbc n\u00e0y c\u00f2n kh\u00e1 th\u1ea5p so v\u1edbi c\u00e1c n\u01b0\u1edbc c\u00f3 n\u1ec1n ch\u0103n nu\u00f4i ph\u00e1t tri\u1ec3n. Tuy nhi\u00ean, trong \u0111i\u1ec1u ki\u1ec7n \u0111\u00f3, n\u1ebfu \u00e1p d\u1ee5ng nh\u1eefng th\u00e0nh t\u1ef1u khoa h\u1ecdc k\u1ef9 thu\u1eadt, nh\u1ea5t l\u00e0 CNSH, s\u1ebd gi\u00fap gia t\u0103ng \u0111\u00e1ng k\u1ec3 n\u0103ng su\u1ea5t c\u1ee7a gia s\u00fac \u1edf c\u00e1c n\u01b0\u1edbc n\u00e0y.<\/p>\n\n

\u0110\u00e3 c\u00f3 nhi\u1ec1u k\u1ef9 thu\u1eadt CNSH \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong ch\u0103n nu\u00f4i \u1edf c\u1ea3 c\u00e1c n\u01b0\u1edbc \u0111\u00e3 ph\u00e1t tri\u1ec3n v\u00e0 \u0111ang ph\u00e1t tri\u1ec3n. Tuy nhi\u00ean, nh\u1eefng k\u1ef9 thu\u1eadt CNSH ch\u1ee7 y\u1ebfu \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng th\u00e0nh c\u00f4ng \u1edf c\u00e1c n\u01b0\u1edbc \u0111ang ph\u00e1t tri\u1ec3n l\u00e0: c\u00f4ng ngh\u1ec7 di truy\u1ec1n, c\u00f4ng ngh\u1ec7 sinh s\u1ea3n bao g\u1ed3m c\u1ea5y truy\u1ec1n ph\u00f4i v\u00e0 c\u00e1c k\u1ef9 thu\u1eadt li\u00ean quan, c\u00f4ng ngh\u1ec7 v\u1eafc xin v\u00e0 k\u1ef9 thu\u1eadt ch\u1ea9n \u0111o\u00e1n b\u1ec7nh, c\u00f4ng ngh\u1ec7 th\u1ee9c \u0103n ch\u0103n nu\u00f4i \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh kh\u1ea3 d\u1ee5ng c\u1ee7a ngu\u1ed3n th\u1ee9c \u0103n ch\u0103n nu\u00f4i<\/a>. C\u1ee5 th\u1ec3 l\u00e0:<\/p>\n

\u2013 C\u00f4ng ngh\u1ec7 di truy\u1ec1n: vi\u1ec7c \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 di truy\u1ec1n tr\u00ean gia s\u00fac mang l\u1ea1i nhi\u1ec1u k\u1ebft qu\u1ea3 so v\u1edbi tr\u00ean c\u00e2y tr\u1ed3ng. Nh\u01b0 trong k\u1ef9 thu\u1eadt chuy\u1ec3n gen \u0111\u1ec3 t\u1ea1o ra nh\u1eefng sinh v\u1eadt bi\u1ebfn \u0111\u1ed5i gen (GMO), \u0111\u00e3 c\u00f3 nhi\u1ec1u c\u00e2y tr\u1ed3ng bi\u1ebfn \u0111\u1ed5i gen (GMP) \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o s\u1ea3n xu\u1ea5t \u0111\u1ea1i tr\u00e0 nh\u01b0 l\u00faa, b\u1eafp, \u0111\u1eadu n\u00e0nh\u2026 nh\u01b0ng ch\u01b0a c\u00f3 v\u1eadt nu\u00f4i bi\u1ebfn \u0111\u1ed5i gen (GMA) \u0111\u01b0\u1ee3c \u0111\u01b0a ra s\u1ea3n xu\u1ea5t tr\u1eeb m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p d\u00f9ng GMA \u0111\u1ec3 s\u1ea3n xu\u1ea5t d\u01b0\u1ee3c ph\u1ea9m cho ng\u00e0nh Y t\u1ebf. Trong ch\u0103n nu\u00f4i, ch\u1ee7 y\u1ebfu v\u1eabn \u0111ang nghi\u00ean c\u1ee9u nh\u1eefng gen c\u00f3 t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn vi\u1ec7c n\u00e2ng cao n\u0103ng su\u1ea5t nh\u01b0: HAL, ESR, RN, BLAD, phytase gene, keratin gene\u2026 V\u00e0 c\u00f3 l\u1ebd Somatoropin (BST hay PST) l\u00e0 s\u1ea3n ph\u1ea9m \u0111\u1ea7u ti\u00ean c\u1ee7a CNSH c\u00f3 t\u00e1c d\u1ee5ng hi\u1ec7u qu\u1ea3 \u0111\u1ebfn ng\u00e0nh ch\u0103n nu\u00f4i. Ngo\u00e0i ra, h\u01b0\u1edbng \u1ee9ng d\u1ee5ng kh\u00e1c \u0111ang \u0111\u01b0\u1ee3c ch\u00fa \u00fd m\u1ea1nh m\u1ebd \u1ee9ng d\u1ee5ng CNSH trong vi\u1ec7c ch\u1ecdn gi\u1ed1ng gia s\u00fac, VD: c\u00e1c nh\u00e0 khoa h\u1ecdc M\u1ef9 v\u00e0 Canada \u0111ang th\u1eed nghi\u1ec7m c\u00e1c th\u1ebb sinh h\u1ecdc ph\u00e1t quang (llluminar Bovine SNP50 BeadChip) l\u00e0 m\u1ed9t mi\u1ebfng k\u00ednh m\u1ecfng c\u00f3 ch\u1ee9a h\u00e0ng ng\u00e0n marker DNA \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 nh\u1eefng tr\u1ea1ng th\u00e1i kh\u00e1c nhau c\u1ee7a nucleotide \u0111\u01a1n hay SNPs (single nucleotide polymorphisms), ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ecm s\u1ef1 t\u01b0\u01a1ng quan gi\u1eefa DNA marker v\u00e0 c\u00e1c t\u00ednh tr\u1ea1ng. BeadChip \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u \u0111\u1ec3 \u1ee9ng d\u1ee5ng tr\u00ean c\u1ea3 b\u00f2 s\u1eefa v\u00e0 b\u00f2 th\u1ecbt, n\u00f3 \u0111ang \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m \u1edf 23 n\u01a1i kh\u00e1c nhau thu\u1ed9c 11 qu\u1ed1c gia.<\/p>\n

\u2013 C\u00f4ng ngh\u1ec7 sinh s\u1ea3n: m\u1ee5c \u0111\u00edch tr\u1ef1c ti\u1ebfp l\u00e0 nh\u1eb1m c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng sinh s\u1ea3n c\u1ee7a gia s\u00fac, t\u1eeb \u0111\u00f3 gi\u00e1n ti\u1ebfp gi\u00fap t\u0103ng n\u0103ng su\u1ea5t, t\u0103ng t\u1ed1c \u0111\u1ed9 c\u1ea3i thi\u1ec7n di truy\u1ec1n v\u00e0 ki\u1ec3m so\u00e1t hi\u1ec7u qu\u1ea3 vi\u1ec7c l\u00e2y lan m\u1ea7m b\u1ec7nh qua sinh s\u1ea3n. C\u00e1c k\u1ef9 thu\u1eadt bao g\u1ed3m: k\u1ef9 thu\u1eadt th\u1ee5 tinh nh\u00e2n t\u1ea1o (Al), k\u1ef9 thu\u1eadt g\u00e2y \u0111a xu\u1ea5t no\u00e3n v\u00e0 c\u1ea5y chuy\u1ec3n ph\u00f4i (MOET), k\u1ef9 thu\u1eadt th\u1ee5 tinh trong \u1ed1ng nghi\u1ec7m (IVF), k\u1ef9 thu\u1eadt x\u00e1c \u0111\u1ecbnh gi\u1edbi t\u00ednh c\u1ee7a ph\u00f4i (SE), k\u1ef9 thu\u1eadt nh\u00e2n b\u1ea3n v\u00f4 t\u00ednh (Cloning)\u2026<\/p>\n

\u2013 C\u00f4ng ngh\u1ec7 v\u1eafc xin v\u00e0 ch\u1ea9n \u0111o\u00e1n b\u1ec7nh: 90% c\u00e1c k\u1ef9 thu\u1eadt CNSH li\u00ean quan \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 s\u1ee9c kh\u1ecfe \u0111\u1ec1u t\u1eadp trung v\u00e0o vi\u1ec7c nghi\u00ean c\u1ee9u gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan t\u1ea1i c\u00e1c n\u01b0\u1edbc ph\u00e1t tri\u1ec3n, n\u01a1i ch\u1ec9 chi\u1ebfm 10% d\u00e2n s\u1ed1 tr\u00ean th\u1ebf gi\u1edbi. Ch\u1ee7 y\u1ebfu l\u00e0 s\u1ea3n xu\u1ea5t c\u00e1c v\u1eafc xin t\u00e1i t\u1ed5 h\u1ee3p (Recombinant DNA), bao g\u1ed3m: x\u00e1c \u0111\u1ecbnh v\u00e0 x\u00f3a b\u1ecf nh\u1eefng gen s\u1ea3n xu\u1ea5t ch\u1ea5t \u0111\u1ed9c tr\u00ean m\u1ea7m b\u1ec7nh (vi khu\u1ea9n hay virus) \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c nh\u1eefng v\u1eafc xin s\u1ed1ng an to\u00e0n, \u0111\u1ed3ng th\u1eddi x\u00e1c \u0111\u1ecbnh nh\u1eefng c\u1ea5u tr\u00fac ph\u00e2n t\u1eed c\u1ee7a nh\u1eefng protein t\u1eeb m\u1ea7m b\u1ec7nh c\u00f3 t\u00e1c d\u1ee5ng k\u00edch th\u00edch h\u1ec7 mi\u1ec5n d\u1ecbch c\u1ee7a v\u1eadt ch\u1ee7. Ngo\u00e0i ra, nh\u1eefng k\u1ef9 thu\u1eadt CNSH kh\u00e1c nh\u01b0 ELISA, PCR, kh\u00e1ng th\u1ec3 \u0111\u01a1n d\u00f2ng, kh\u00e1ng nguy\u00ean t\u00e1i t\u1ed5 h\u1ee3p\u2026 \u0111\u00e3 tr\u1edf th\u00e0nh nh\u1eefng c\u00f4ng c\u1ee5 h\u1eefu hi\u1ec7u v\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu trong vi\u1ec7c ch\u1ea9n \u0111o\u00e1n b\u1ec7nh \u1edf m\u1ee9c \u0111\u1ed9 ph\u00e2n t\u1eed tr\u00ean gia s\u00fac.<\/p>\n

\u2013 C\u00f4ng ngh\u1ec7 th\u1ee9c \u0103n ch\u0103n nu\u00f4i (TACN): \u0111\u1ec3 t\u0103ng t\u00ednh kh\u1ea3 d\u1ee5ng v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a TACN, hai v\u1ea5n \u0111\u1ec1 \u0111\u1eb7t ra l\u00e0 c\u00f4ng ngh\u1ec7 t\u1ed3n tr\u1eef TACN trong \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu kh\u00f3 kh\u0103n v\u00e0 t\u0103ng gi\u00e1 tr\u1ecb dinh d\u01b0\u1ee1ng c\u1ee7a c\u00e1c nguy\u00ean li\u1ec7u s\u1eed d\u1ee5ng. Ngo\u00e0i ra, c\u00e1c ho\u1ea1t ch\u1ea5t nh\u01b0 enzyme, probiotic, protein \u0111\u01a1n b\u00e0o, kh\u00e1ng sinh\u2026 \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o trong TACN \u0111\u1ec3 tr\u1ee3 gi\u00fap cho qu\u00e1 tr\u00ecnh dinh d\u01b0\u1ee1ng c\u1ee7a gia s\u00fac. C\u00e1c ch\u1ea5t h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh bi\u1ebfn d\u01b0\u1ee1ng c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 rBST (recombinanat Somatotropin).<\/p>\n

2. T\u1ea1i Vi\u1ec7t Nam<\/strong><\/h4>\n

C\u0169ng nh\u01b0 c\u00e1c n\u01b0\u1edbc \u0111ang ph\u00e1t tri\u1ec3n, CNSH trong ch\u0103n nu\u00f4i \u1edf Vi\u1ec7t Nam ch\u01b0a c\u00f3 nh\u1eefng th\u00e0nh t\u1ef1u \u0111\u00e1ng k\u1ec3 nh\u01b0 trong c\u00e2y tr\u1ed3ng. C\u00e1c k\u1ebft qu\u1ea3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u01b0 sau:<\/p>\n

\u2013 C\u00f4ng ngh\u1ec7 di truy\u1ec1n: ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c nghi\u00ean c\u1ee9u tr\u00ean heo nh\u01b0: gen Halothan, gen th\u1ee5 th\u1ec3 Estrogen v\u00e0 Prolactin, t\u00ednh \u0111a h\u00ecnh c\u1ee7a 3 gen kh\u00e1c l\u00e0 PSTF1, Myogenin v\u00e0 HFA-BP. \u0110i\u1ec1u \u0111\u00e1ng ch\u00fa \u00fd l\u00e0 ch\u01b0a th\u1ea5y nh\u1eefng c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 di truy\u1ec1n trong ch\u1ecdn l\u1ecdc gi\u1ed1ng gia s\u00fac v\u00e0 ch\u01b0a c\u00f3 nhi\u1ec1u c\u00e1c nghi\u00ean c\u1ee9u tr\u00ean gia s\u00fac kh\u00e1c. M\u1ed9t s\u1ed1 c\u00e1c c\u00f4ng tr\u00ecnh \u0111\u00e3 th\u1ef1c hi\u1ec7n:<\/p>\n

+ Nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a gen Halothane tr\u00ean kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng, sinh s\u1ea3n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng th\u1ecbt heo c\u1ee7a Nguy\u1ec5n Ng\u1ecdc Tu\u00e2n v\u00e0 Tr\u1ea7n Th\u1ecb D\u00e2n (2001); Nguy\u1ec5n V\u0103n C\u01b0\u1eddng v\u00e0 ctv (2002).
\n+ Nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a 2 gen th\u1ee5 th\u1ec3 estrogen v\u00e0 prolactin tr\u00ean kh\u1ea3 n\u0103ng sinh s\u1ea3n (s\u1ed1 con s\u01a1 sinh\/ l\u1ee9a \u0111\u1ebb) c\u1ee7a heo: L\u00ea Th\u1ecb Th\u00fay v\u00e0 ctv (2002); Tr\u1ea7n Th\u1ecb D\u00e2n v\u00e0 ctv (2005);
\n+ Nghi\u00ean c\u1ee9u t\u00ednh \u0111a h\u00ecnh c\u1ee7a 3 gen: PSTF1 gene, myogenin gene v\u00e0 heart fatty axit BP gene li\u00ean quan \u0111\u1ebfn kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng, s\u1ef1 bi\u1ec7t h\u00f3a c\u01a1 v\u00e0 m\u1ee1 trong c\u01a1: Ph\u1ea1m Thu Th\u1ee7y v\u00e0 ctv (2003); Nguy\u1ec5n V\u0103n Anh (2005); Nguy\u1ec5n Thu Th\u1ee7y v\u00e0 ctv (2005).<\/p>\n

\u2013 C\u00f4ng ngh\u1ec7 sinh s\u1ea3n: l\u00e0 l\u0129nh v\u1ef1c \u0111\u01b0\u1ee3c t\u1eadp trung nghi\u00ean c\u1ee9u nhi\u1ec1u h\u01a1n c\u1ea3, \u0111i\u1ec1u n\u00e0y th\u1ec3 hi\u1ec7n qua nhi\u1ec1u c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u t\u1ea7m c\u1ee1 trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc nh\u01b0: nghi\u00ean c\u1ee9u v\u1ec1 vi\u1ec7c \u0111\u00f4ng l\u1ea1nh ph\u00f4i (Vi\u1ec7n CNSH), s\u1ea3n xu\u1ea5t ph\u00f4i in-vitro v\u00e0 in-vivo, k\u1ef9 thu\u1eadt c\u1ea5y truy\u1ec1n ph\u00f4i, k\u1ef9 thu\u1eadt c\u1eaft ph\u00f4i, x\u00e1c \u0111\u1ecbnh gi\u1edbi t\u00ednh ph\u00f4i, s\u1ea3n xu\u1ea5t ph\u00f4i b\u1eb1ng tinh \u0111\u00e3 ph\u00e2n lo\u1ea1i (sorted semen)\u2026 Kh\u00e1c v\u1edbi c\u00f4ng ngh\u1ec7 di truy\u1ec1n, c\u00f4ng ngh\u1ec7 sinh s\u1ea3n l\u1ea1i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ch\u1ee7 y\u1ebfu tr\u00ean b\u00f2 th\u1ecbt v\u00e0 s\u1eefa, v\u00ec \u0111\u00e2y l\u00e0 lo\u00e0i \u0111\u01a1n thai, n\u00ean vi\u1ec7c c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng sinh s\u1ea3n l\u00e0 c\u1ea7n thi\u1ebft h\u01a1n c\u1ea3 lo\u00e0i \u0111a thai. Tuy nhi\u00ean, c\u00e1c k\u1ef9 thu\u1eadt trong c\u00f4ng ngh\u1ec7 sinh s\u1ea3n hi\u1ec7n c\u0169ng ch\u1ec9 d\u1eebng \u1edf m\u1ee9c \u0111\u1ed9 nghi\u00ean c\u1ee9u th\u1eed nghi\u1ec7m, v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ea1i tr\u00e0 v\u00ec nhi\u1ec1u nguy\u00ean nh\u00e2n nh\u01b0: Thi\u1ebfu ngu\u1ed3n kinh ph\u00ed h\u1ed7 tr\u1ee3 \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p khuy\u1ebfn n\u00f4ng nh\u1eb1m ch\u1ee9ng minh cho ng\u01b0\u1eddi ch\u0103n nu\u00f4i th\u1ea5y r\u00f5 hi\u1ec7u qu\u1ea3 c\u1ee7a ch\u00fang (\u0111i\u1ec1u n\u00e0y \u0111\u00e3 t\u1eebng \u0111\u01b0\u1ee3c l\u00e0m r\u1ea5t t\u1ed1t khi ph\u1ed5 bi\u1ebfn k\u1ef9 thu\u1eadt th\u1ee5 tinh nh\u00e2n t\u1ea1o tr\u00ean b\u00f2 v\u00e0o nh\u1eefng n\u0103m 80); thi\u1ebfu \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt vi\u00ean chuy\u00ean nghi\u1ec7p (v\u00ec \u0111a s\u1ed1 c\u00e1c k\u1ef9 thu\u1eadt n\u00e0y r\u1ea5t kh\u00f3, \u0111\u00f2i h\u1ecfi ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o v\u00e0 c\u00f3 nhi\u1ec1u kinh nghi\u1ec7m th\u1ef1c ti\u1ec5n), Thi\u1ebfu kinh ph\u00ed \u0111\u1ea7u t\u01b0 \u0111\u1ec3 s\u1ea3n xu\u1ea5t nh\u1eefng nguy\u00ean li\u1ec7u c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao (tr\u1ee9ng, tinh, ph\u00f4i\u2026); Thi\u1ebfu c\u00e1c trung t\u00e2m th\u1ef1c nghi\u1ec7m \u0111\u1ee7 ti\u00eau chu\u1ea9n s\u1ea3n xu\u1ea5t con gi\u1ed1ng t\u1ed1t\u2026<\/p>\n

3. M\u1ed9t s\u1ed1 c\u00e1c c\u00f4ng tr\u00ecnh \u0111\u00e3 th\u1ef1c hi\u1ec7n<\/strong><\/h4>\n

Nghi\u00ean c\u1ee9u quy tr\u00ecnh nu\u00f4i ch\u00edn tr\u1ee9ng (IVM), quy tr\u00ecnh th\u1ee5 tinh trong vi gi\u1ecdt (IVF), quy tr\u00ecnh s\u1ea3n xu\u1ea5t ph\u00f4i in vitro (IVP), quy tr\u00ecnh s\u1eed d\u1ee5ng tinh ph\u00e2n t\u00e1ch \u0111\u1ec3 s\u1ea3n xu\u1ea5t ph\u00f4i in vitro tr\u00ean c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng gia s\u00fac kh\u00e1c nhau nh\u01b0: Nguy\u1ec5n Qu\u1ed1c \u0110\u1ea1t v\u00e0 ctv (2003); B\u00f9i Xu\u00e2n Nguy\u00ean (2004); Tr\u1ea7n Th\u1ecb D\u00e2n v\u00e0 ctv (2005); Chung Anh D\u0169ng v\u00e0 ctv (2008) \u0111\u00e3 th\u1ef1c hi\u1ec7n NC tr\u00ean b\u00f2; Hu\u1ef3nh Th\u1ecb L\u1ec7 Duy\u00ean (2003); Chung Anh D\u0169ng v\u00e0 ctv (2008) \u0111\u00e3 th\u1ef1c hi\u1ec7n NC tr\u00ean heo; Tr\u1ea7n Th\u1ecb D\u00e2n v\u00e0 ctv (2005) \u0111\u00e3 th\u1ef1c hi\u1ec7n NC tr\u00ean ch\u00f3\u2026<\/p>\n

\u2013 C\u00f4ng ngh\u1ec7 v\u1eafc xin v\u00e0 ch\u1ea9n \u0111o\u00e1n b\u1ec7nh: C\u00e1c k\u1ef9 thu\u1eadt CNSH trong ch\u1ea9n \u0111o\u00e1n b\u1ec7nh gia s\u00fac \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng m\u1ea1nh m\u1ebd v\u00e0 r\u1ed9ng kh\u1eafp, v\u00ec g\u1ea7n \u0111\u00e2y t\u00ecnh h\u00ecnh d\u1ecbch b\u1ec7nh tr\u00ean gia s\u00fac ng\u00e0y c\u00e0ng c\u00f3 nhi\u1ec1u di\u1ec5n bi\u1ebfn ph\u1ee9c t\u1ea1p. C\u00e1c k\u1ef9 thu\u1eadt PCR kh\u00e1c nhau \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong vi\u1ec7c ch\u1ea9n \u0111o\u00e1n c\u00e1c m\u1ea7m b\u1ec7nh nh\u01b0: E. coli, Campylobacter (g\u00e2y b\u1ec7nh ti\u00eau ch\u1ea3y tr\u00ean gia s\u00fac); Mycoplasma tr\u00ean heo (g\u00e2y b\u1ec7nh th\u1ee9 ph\u00e1t tr\u00ean ph\u1ed5i); Hog Cholera virus tr\u00ean heo; L\u1edf m\u1ed3m long m\u00f3ng tr\u00ean tr\u00e2u, b\u00f2, hep; PRRS virus, Circovirus type 2 tr\u00ean heo; Gumboro virus hay virus c\u00fam tr\u00ean g\u00e0\u2026 B\u00ean c\u1ea1nh \u0111\u00f3, \u0111\u00e3 ti\u1ebfn h\u00e0nh s\u1ea3n xu\u1ea5t m\u1ed9t s\u1ed1 kh\u00e1ng nguy\u00ean t\u00e1i t\u1ed5 h\u1ee3p nh\u01b0: VT2e t\u1eeb E.coli, antigen t\u1eeb Gumboro virus\u2026 M\u1ed9t s\u1ed1 c\u00e1c c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u \u0111\u00e3 th\u1ef1c hi\u1ec7n:<\/p>\n

+ \u1ee8ng d\u1ee5ng PCR v\u00e0 nu\u00f4i c\u1ea5y t\u1ebf b\u00e0o trong ch\u1ea9n \u0111o\u00e1n b\u1ec7nh: NC tr\u00ean E.coli (Nguy\u1ec5n Ng\u1ecdc Tu\u00e2n v\u00e0 ctv, 2005); tr\u00ean Campylobacter (V\u00f5 Ng\u1ecdc B\u1ea3o v\u00e0 ctv, 2006); Nhi\u1ec5m Mycoplasma tr\u00ean heo (Nguy\u1ec5n Th\u1ecb Ph\u01b0\u1edbng Ninh v\u00e0 ctv, 2006) tr\u00ean g\u00e0 (Nhu V\u0103n Thu, 2006); T\u00e1c h\u1ea1i c\u1ee7a FMD trong ch\u0103n nu\u00f4i tr\u00e2u, b\u00f2 v\u00e0 heo (T\u00f4 Long Th\u00e0nh v\u00e0 ctv, 2004); b\u1ec7nh d\u1ecbch t\u1ea3 heo (Nguy\u1ec5n Th\u1ecb Thu H\u1ed3ng, 2003)\u2026.
\n+ S\u1ea3n xu\u1ea5t kh\u00e1ng nguy\u00ean t\u00e1i t\u1ed5 h\u1ee3p (recombinant antigen): Nguy\u1ec5n Ng\u1ecdc H\u1ea3i v\u00e0 Milon (2005); Nguy\u1ec5n H\u1ed3ng Thanh v\u00e0 ctv (2004); Chu Ho\u00e0ng H\u00e0 v\u00e0 ctv (2005)\u2026
\n+ S\u1ea3n xu\u1ea5t kh\u00e1ng sinh v\u00e0 ch\u1ea5t kh\u00e1ng kh\u00e1ng sinh: Nguy\u1ec5n Ph\u01b0\u01a1ng Nhu\u1ec7 v\u00e0 ctv (2004)\u2026<\/p>\n

\u2013 C\u00f4ng ngh\u1ec7 TACN: c\u00e1c nghi\u00ean c\u1ee9u \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c d\u00f2ng vi sinh v\u1eadt c\u00f3 l\u1ee3i cho ti\u00eau h\u00f3a nh\u01b0: Bacillus, Aspergillus, Saccharomyces\u2026 t\u1eeb \u0111\u00f3 s\u1ea3n xu\u1ea5t c\u00e1c ch\u1ebf ph\u1ea9m probiotic \u0111\u00e3 b\u01b0\u1edbc \u0111\u1ea7u \u0111\u1ea1t nh\u1eefng k\u1ebft qu\u1ea3 nh\u1ea5t \u0111\u1ecbnh. Ngo\u00e0i ra, c\u00e1c enzyme nh\u01b0: phytase, bromelase\u2026. C\u0169ng \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u1eed nghi\u1ec7m th\u00e0nh c\u00f4ng. Tuy nhi\u00ean, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 gi\u00e1 th\u00e0nh c\u1ee7a c\u00e1c ch\u1ebf ph\u1ea9m trong n\u01b0\u1edbc v\u1eabn c\u00f2n \u0111ang l\u00e0 v\u1ea5n \u0111\u1ec1 c\u1ea7n c\u1ea3i thi\u1ec7n v\u00e0 ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u. M\u1ed9t s\u1ed1 c\u00e1c c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u \u0111\u00e3 th\u1ef1c hi\u1ec7n:<\/p>\n

+ Nghi\u00ean c\u1ee9u vi khu\u1ea9n Bacillus subtitis: T\u00f4 Minh Ch\u00e2u v\u00e0 ctv (2005) \u0111\u1ec3 s\u1ea3n xu\u1ea5t ch\u1ebf ph\u1ea9m probiotic; \u0110\u1ed7 Th\u1ecb B\u00edch Th\u1ee7y v\u00e0 Tr\u1ea7n Th\u1ecb X\u00f4 (2004) \u0111\u1ec3 s\u1ea3n xu\u1ea5t protease; T\u0103ng Th\u1ecb Chinh (2006) \u0111\u1ec3 s\u1ea3n xu\u1ea5t alkaline alpha amylase t\u1eeb Bacillus HA401\u2026
\n+ Nghi\u00ean c\u1ee9u s\u1ea3n xu\u1ea5t enzyme phytase t\u1eeb Aspergillus niger: Tr\u1ea7n Th\u1ecb Tuy\u1ebft v\u00e0 ctv (2004);
\n+ Nghi\u00ean c\u1ee9u s\u1ea3n xu\u1ea5t S-adenosyl \u2013l \u2013 methionine (SAM) t\u1eeb Saccharomyces cerevisiae: Tr\u1ea7n Th\u1ecb H\u01b0\u01a1ng v\u00e0 ctv (2005).<\/p>\n\n

II. \u0110\u1ecbnh h\u01b0\u1edbng \u1ee9ng d\u1ee5ng C\u00f4ng Ngh\u1ec7 Sinh H\u1ecdc trong ch\u0103n nu\u00f4i \u0111\u1ebfn n\u0103m 2020<\/strong><\/h3>\n

1. M\u1ee5c ti\u00eau<\/strong><\/h4>\n

\u1ee8ng d\u1ee5ng CNSH trong ch\u0103n nu\u00f4i nh\u1eb1m c\u1ea3i thi\u1ec7n nhanh kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t, sinh s\u1ea3n c\u1ee7a gia s\u00fac. T\u1eeb \u0111\u00f3 g\u00f3p ph\u1ea7n t\u0103ng thu nh\u1eadp cho ng\u01b0\u1eddi ch\u0103n nu\u00f4i, h\u1ea1 gi\u00e1 th\u00e0nh s\u1ea3n xu\u1ea5t, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho s\u1ea3n ph\u1ea9m ch\u0103n nu\u00f4i trong n\u01b0\u1edbc \u0111\u1ee9ng v\u1eefng trong giai \u0111o\u1ea1n h\u1ed9i nh\u1eadp v\u00e0 gi\u00fap ng\u00e0nh ch\u0103n nu\u00f4i ph\u00e1t tri\u1ec3n \u1ed5n \u0111\u1ecbnh, b\u1ec1n v\u1eefng.<\/p>\n

X\u00e1c \u0111\u1ecbnh t\u1ea7m quan tr\u1ecdng c\u1ee7a \u1ee9ng d\u1ee5ng CNSH trong n\u00f4ng nghi\u1ec7p n\u00f3i chung v\u00e0 ch\u0103n nu\u00f4i n\u00f3i ri\u00eang, Ch\u00ednh ph\u1ee7 \u0111\u00e3 ban h\u00e0nh Quy\u1ebft \u0111\u1ecbnh s\u1ed1 11\/2006\/Q\u0110-TTg, ng\u00e0y 12 th\u00e1ng 01 n\u0103m 2006, ph\u00ea duy\u1ec7t \u201cch\u01b0\u01a1ng tr\u00ecnh tr\u1ecdng \u0111i\u1ec3m ph\u00e1t tri\u1ec3n v\u00e0 \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 sinh h\u1ecdc trong l\u0129nh v\u1ef1c n\u00f4ng nghi\u1ec7p v\u00e0 ph\u00e1t tri\u1ec3n n\u00f4ng th\u00f4n \u0111\u1ebfn n\u0103m 2020\u201d, trong \u0111\u00f3 n\u00eau r\u00f5 vi\u1ec7c \u1ee9ng d\u1ee5ng CNSH trong ch\u0103n nu\u00f4i, bao g\u1ed3m:<\/p>\n

\u2013 Nghi\u00ean c\u1ee9u \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 gen (c\u00f4ng ngh\u1ec7 chuy\u1ec3n gen v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed) \u0111\u1ec3 t\u1ea1o m\u1ed9t s\u1ed1 gi\u1ed1ng v\u1eadt nu\u00f4i (gia c\u1ea7m, l\u1ee3n, b\u00f2) m\u1edbi: \u1edf m\u1ed7i lo\u00e0i t\u1ea1o \u0111\u01b0\u1ee3c 1 \u2013 2 d\u00f2ng c\u00f3 n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, s\u1ee9c ch\u1ed1ng ch\u1ecbu v\u00e0 kh\u00e1ng b\u1ec7nh cao tr\u01b0\u1edbc c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1ea5t l\u1ee3i c\u1ee7a m\u00f4i tr\u01b0\u1eddng.
\n\u2013 Nghi\u00ean c\u1ee9u c\u1ea3i ti\u1ebfn v\u00e0 \u1ee9ng d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 t\u1ebf b\u00e0o \u0111\u1ed9ng v\u1eadt ti\u00ean ti\u1ebfn \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 sinh s\u1ea3n c\u1ee7a v\u1eadt nu\u00f4i ph\u1ee5c v\u1ee5 t\u1ed1t cho c\u00f4ng t\u00e1c l\u01b0u gi\u1eef, b\u1ea3o qu\u1ea3n, b\u1ea3o t\u1ed3n c\u00e1c t\u1ebf b\u00e0o sinh d\u1ee5c v\u00e0 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt nu\u00f4i; \u1ee9ng d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p c\u1eaft ph\u00f4i v\u00e0 c\u1ea3i ti\u1ebfn ph\u01b0\u01a1ng ph\u00e1p th\u1ee5 tinh trong \u1ed1ng nghi\u1ec7m ph\u1ee5c v\u1ee5 l\u0129nh v\u1ef1c sinh s\u1ea3n \u0111\u1ed9ng v\u1eadt. \u1ee8ng d\u1ee5ng r\u1ed9ng r\u00e3i c\u00e1c c\u00f4n ngh\u1ec7 tinh, ph\u00f4i \u0111\u00f4ng l\u1ea1nh trong vi\u1ec7c l\u01b0u gi\u1eef, b\u1ea3o qu\u1ea3n v\u00e0 b\u1ea3o t\u1ed3n l\u00e2u d\u00e0i qu\u1ef9 gen b\u1ea3n \u0111\u1ecba, qu\u00fd hi\u1ebfm \u1edf \u0111\u1ed9ng v\u1eadt nu\u00f4i. \u1ee8ng d\u1ee5ng c\u00f4ng ngh\u1ec7 gen \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh gi\u1edbi t\u00ednh ph\u00f4i b\u00f2 \u1edf 7 ng\u00e0y tu\u1ed5i.
\n\u2013 Nghi\u00ean c\u1ee9u s\u1ea3n xu\u1ea5t v\u1eafc xin ph\u00f2ng b\u1ec7nh cho v\u1eadt nu\u00f4i v\u00e0 th\u1ee9c \u0103n ch\u0103n nu\u00f4i ch\u1ee9c n\u0103ng; ph\u1ea5n \u0111\u1ea5u \u0111\u1ec3 s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u c\u01a1 b\u1ea3n v\u1ec1 v\u1eafc xin cho v\u1eadt nu\u00f4i v\u00e0o n\u0103m 2015.<\/p>\n

2. M\u1ed9t s\u1ed1 h\u01b0\u1edbng d\u1eabn \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 C\u00f4ng Ngh\u1ec7 Sinh H\u1ecdc trong ch\u0103n nu\u00f4i<\/strong><\/h4>\n

C\u00f4ng ngh\u1ec7 di truy\u1ec1n<\/strong><\/p>\n

\u2013 Ti\u1ebfp t\u1ee5c \u0111\u1ea9y m\u1ea1nh vi\u1ec7c nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh gen ki\u1ec3m so\u00e1t (ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 s\u1ed1 l\u01b0\u1ee3ng) c\u00e1c t\u00ednh tr\u1ea1ng s\u1ea3n xu\u1ea5t quan tr\u1ecdng (th\u1ecbt, tr\u1ee9ng, s\u1eefa).
\n\u2013 Nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh c\u00e1c ki\u1ec3u gen b\u1ea5t l\u1ee3i l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t, s\u1ee9c \u0111\u1ec1 kh\u00e1ng c\u1ee7a gia s\u00fac. T\u1eeb \u0111\u00f3 \u0111\u1ec1 xu\u1ea5t ki\u1ec3u ph\u00f4i gi\u1ed1ng th\u00edch h\u1ee3p, ph\u1ee5c v\u1ee5 cho c\u00f4ng t\u00e1c ch\u1ecdn gi\u1ed1ng gia s\u00fac.
\n\u2013 Nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh c\u00e1c gen \u0111i\u1ec1u khi\u1ec3n c\u00e1c t\u00ednh tr\u1ea1ng s\u1ea3n xu\u1ea5t t\u1ed1t tr\u00ean gia s\u00fac nh\u01b0: kh\u1ea3 n\u0103ng th\u00edch nghi v\u1edbi m\u00f4i tr\u01b0\u1eddng, kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu b\u1ec7nh t\u1eadt, kh\u1ea3 n\u0103ng m\u1eafn \u0111\u1ebb\u2026 c\u1ee7a nh\u1eefng gi\u1ed1ng gia s\u00fac, gia c\u1ea7m \u0111\u1eb7c tr\u01b0ng c\u1ee7a t\u1eebng v\u00f9ng sinh th\u00e1i.
\n\u2013 Ti\u1ebfn h\u00e0nh thu th\u1eadp v\u00e0 l\u01b0u tr\u1eef ngu\u1ed3n gen c\u1ee7a c\u00e1c gi\u1ed1ng gia s\u00fac, gia c\u1ea7m n\u00e0y b\u1eb1ng c\u00e1c k\u1ef9 thu\u1eadt CNSH kh\u00e1c nhau (b\u1ea3o t\u1ed3n d\u01b0\u1edbi d\u1ea1ng t\u1ebf b\u00e0o soma, tr\u1ee9ng, tinh d\u1ecbch, ph\u00f4i\u2026).
\n\u2013 Nghi\u00ean c\u1ee9u \u1ee9ng d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt trong sinh h\u1ecdc ph\u00e2n t\u1eed nh\u01b0: DNA markers (microsatellites), microarray, SNPs\u2026 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nhanh v\u00e0 ch\u00ednh x\u00e1c c\u00e1c gen c\u00f3 l\u1ee3i trong nh\u1eefng con gi\u1ed1ng n\u0103ng su\u1ea5t cao, t\u1eeb \u0111\u00f3 r\u00fat ng\u1eafn \u0111\u00e1ng k\u1ec3 th\u1eddi gian ch\u1ecdn gi\u1ed1ng, gi\u1ea3m chi ph\u00ed ch\u1ecdn gi\u1ed1ng (so v\u1edbi ch\u1ecdn gi\u1ed1ng theo ki\u1ec3u h\u00ecnh tr\u00ean qu\u1ea7n th\u1ec3).
\n\u2013 B\u1eaft \u0111\u1ea7u nghi\u00ean c\u1ee9u k\u1ef9 thu\u1eadt chuy\u1ec3n gen tr\u00ean gia s\u00fac, \u0111\u1ec3 t\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 chuy\u1ec3n nh\u1eefng gen t\u1ed1t c\u1ee7a gia s\u00fac \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0o nh\u1eefng gia s\u00fac ngo\u1ea1i nh\u1eadp c\u00f3 ti\u1ec1m n\u0103ng s\u1ea3n xu\u1ea5t cao. T\u1ea1o ti\u1ec1n \u0111\u1ec1 ph\u1ee5c v\u1ee5 cho s\u1ea3n xu\u1ea5t d\u01b0\u1ee3c ph\u1ea9m sinh h\u1ecdc ph\u1ee5c v\u1ee5 cho ng\u00e0nh y t\u1ebf.<\/p>\n

C\u00f4ng ngh\u1ec7 sinh s\u1ea3n<\/strong><\/p>\n

\u2013 Ti\u1ebfp t\u1ee5c \u0111\u1ea9y m\u1ea1nh c\u00f4ng t\u00e1c th\u1ee5 tinh nh\u00e2n t\u1ea1o tr\u00ean b\u00f2, heo\u2026 nghi\u00ean c\u1ee9u b\u1ed5 sung nh\u1eefng k\u1ef9 thu\u1eadt m\u1edbi, quy tr\u00ecnh k\u1ef9 thu\u1eadt nh\u1eb1m n\u00e2ng cao t\u1ef7 l\u1ec7 th\u1ee5 thai ngang b\u1eb1ng v\u1edbi c\u00e1c n\u01b0\u1edbc ch\u0103n nu\u00f4i ph\u00e1t tri\u1ec3n (kho\u1ea3ng 70%).
\n\u2013 Ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u quy tr\u00ecnh k\u1ef9 thu\u1eadt s\u1ea3n xu\u1ea5t ph\u00f4i c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao (ti\u1ec1m n\u0103ng s\u1ea3n xu\u1ea5t cao t\u1eeb nh\u1eefng con \u0111\u1ef1c v\u00e0 c\u00e1i cao s\u1ea3n, ph\u00f4i c\u00f3 gi\u1edbi t\u00ednh ph\u00f9 h\u1ee3p \u0111\u1ecbnh h\u01b0\u1edbng ch\u0103n nu\u00f4i\u2026), c\u00f3 gi\u00e1 th\u00e0nh th\u1ea5p h\u01a1n ph\u00f4i ngo\u1ea1i nh\u1eadp, c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u1ea1i tr\u00e0 \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho c\u1ea5y truy\u1ec1n ph\u00f4i.
\n\u2013 Nghi\u00ean c\u1ee9u k\u1ef9 thu\u1eadt v\u00e0 ph\u01b0\u01a1ng th\u1ee9c ph\u1ed5 bi\u1ebfn k\u1ef9 thu\u1eadt c\u1ea5y truy\u1ec1n ph\u00f4i ra th\u1ef1c ti\u1ec5n s\u1ea3n xu\u1ea5t. B\u01b0\u1edbc \u0111\u1ea7u b\u1eaft bu\u1ed9c \u00e1p d\u1ee5ng k\u1ef9 thu\u1eadt c\u1ea5y truy\u1ec1n ph\u00f4i \u1edf nh\u1eefng tr\u1ea1i s\u1ea3n xu\u1ea5t con gi\u1ed1ng g\u1ed1c, gi\u1ed1ng cha m\u1eb9 \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m cung c\u1ea5p con gi\u1ed1ng t\u1ed1t cho s\u1ea3n xu\u1ea5t, \u0111\u1ed3ng th\u1eddi ti\u1ebft ki\u1ec7m ngo\u1ea1i t\u1ec7 nh\u1eadp con gi\u1ed1ng s\u1ed1ng t\u1eeb n\u01b0\u1edbc ngo\u00e0i.<\/p>\n

C\u00f4ng ngh\u1ec7 Th\u1ee9c \u0102n Ch\u0103n Nu\u00f4i (TACN)<\/strong><\/p>\n

\u2013 Ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t c\u00e1c ch\u1ea5t h\u1ed7 tr\u1ee3 cho qu\u00e1 tr\u00ecnh bi\u1ebfn d\u01b0\u1ee1ng nh\u01b0 enzyme: phytase, cellulase, protease\u2026 \u0111\u1ec3 gi\u00fap s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 TACN v\u00e0 gi\u1ea3m \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng.
\n\u2013 Ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u ph\u00e2n l\u1eadp v\u00e0 s\u1ea3n xu\u1ea5t c\u00e1c vi sinh v\u1eadt c\u00f3 l\u1ee3i cho ti\u00eau h\u00f3a, t\u1eeb \u0111\u00f3 l\u00e0m c\u01a1 s\u1edf x\u00e2y d\u1ef1ng c\u00e1c c\u00f4ng tr\u00ecnh ph\u1ed1i h\u1ee3p VSV n\u00e0y th\u00e0nh nh\u1eefng ch\u1ebf ph\u1ea9m probiotic ph\u00f9 h\u1ee3p cho t\u1eebng lo\u00e0i gia s\u00fac, t\u1eebng giai \u0111o\u1ea1n sinh l\u00fd, t\u1eebng v\u00f9ng sinh th\u00e1i\u2026
\n\u2013 Nghi\u00ean c\u1ee9u \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c hormone c\u00f3 l\u1ee3i cho qu\u00e1 tr\u00ecnh ti\u00eau h\u00f3a nh\u01b0 BST hay PST t\u00e1i t\u1ed5 h\u1ee3p, x\u00e1c \u0111\u1ecbnh t\u1ef7 l\u1ec7, ph\u01b0\u01a1ng th\u1ee9c s\u1eed d\u1ee5ng trong TACN.<\/p>\n

C\u00f4ng Ngh\u1ec7 Sinh H\u1ecdc trong Th\u00fa\u00a0Y<\/strong><\/p>\n

\u2013 Ti\u1ebfp t\u1ee5c \u0111\u1ea9y m\u1ea1nh \u1ee9ng d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt CNSH m\u1edbi v\u00e0 hi\u1ec7n \u0111\u1ea1i nh\u01b0 ELISA (Direct ELISA; Indirect ELISA; Competitive ELISA; Sandwich ELISA; Multiplex ELISA\u2026), PRR (real \u2013 time PCR, n\u1ebftd PCR, competitive PCR\u2026), Sequencing\u2026 \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n nhanh v\u00e0 ch\u00ednh x\u00e1c, c\u1ea3 \u0111\u1ecbnh t\u00ednh v\u00e0 \u0111\u1ecbnh l\u01b0\u1ee3ng, kh\u00e1ng nguy\u00ean v\u00e0 kh\u00e1ng th\u1ec3\u2026 c\u00e1c b\u1ec7nh tr\u00ean gia s\u00fac, gia c\u1ea7m.
\n\u2013 Ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u s\u1ea3n xu\u1ea5t c\u00e1c kh\u00e1ng nguy\u00ean t\u00e1i t\u1ed5 h\u1ee3p, ti\u1ebfn t\u1edbi t\u1ef1 s\u1ea3n xu\u1ea5t m\u1ed9t s\u1ed1 lo\u1ea1i v\u1eafc xin quan tr\u1ecdng, ph\u1ee5c v\u1ee5 cho nhu c\u1ea7u trong n\u01b0\u1edbc.<\/p>\n

Theo VUSTA<\/strong><\/em><\/p>\n\n","protected":false},"excerpt":{"rendered":"

I. T\u00ecnh h\u00ecnh \u1ee9ng d\u1ee5ng C\u00f4ng Ngh\u1ec7 Sinh H\u1ecdc trong ch\u0103n nu\u00f4i 1. Tr\u00ean th\u1ebf gi\u1edbi C\u00f4ng ngh\u1ec7 sinh h\u1ecdc (CNSH) \u0111\u00e3 v\u00e0 \u0111ang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 \u1ee9ng d\u1ee5ng ng\u00e0y c\u00e0ng nhi\u1ec1u tr\u00ean th\u1ebf gi\u1edbi. Trong khu\u00f4n kh\u1ed5 c\u1ee7a b\u00e1o c\u00e1o n\u00e0y, ch\u1ec9 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c \u1ee9ng d\u1ee5ng CNSH \u1edf c\u00e1c n\u01b0\u1edbc \u0111ang […]\n","protected":false},"author":1,"featured_media":1967,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27,89],"tags":[556,646],"class_list":["post-1965","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-industry-news","tag-cong-nghe-sinh-hoc","tag-thuc-an-chan-nuoi"],"_links":{"self":[{"href":"https:\/\/apanano.vn\/en\/wp-json\/wp\/v2\/posts\/1965","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/apanano.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/apanano.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/apanano.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/apanano.vn\/en\/wp-json\/wp\/v2\/comments?post=1965"}],"version-history":[{"count":10,"href":"https:\/\/apanano.vn\/en\/wp-json\/wp\/v2\/posts\/1965\/revisions"}],"predecessor-version":[{"id":6520,"href":"https:\/\/apanano.vn\/en\/wp-json\/wp\/v2\/posts\/1965\/revisions\/6520"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/apanano.vn\/en\/wp-json\/wp\/v2\/media\/1967"}],"wp:attachment":[{"href":"https:\/\/apanano.vn\/en\/wp-json\/wp\/v2\/media?parent=1965"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/apanano.vn\/en\/wp-json\/wp\/v2\/categories?post=1965"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/apanano.vn\/en\/wp-json\/wp\/v2\/tags?post=1965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}