{"id":7036,"date":"2023-06-27T13:42:42","date_gmt":"2023-06-27T06:42:42","guid":{"rendered":"https:\/\/apanano.com\/vi\/?p=7036"},"modified":"2023-06-27T13:42:42","modified_gmt":"2023-06-27T06:42:42","slug":"stress-nhiet-3-chien-luoc-tiet-kiem-chi-phi-thuc-an-chan-nuoi-heo","status":"publish","type":"post","link":"https:\/\/apanano.vn\/vi\/stress-nhiet-3-chien-luoc-tiet-kiem-chi-phi-thuc-an-chan-nuoi-heo\/","title":{"rendered":"Stress nhi\u1ec7t: 3 chi\u1ebfn l\u01b0\u1ee3c ti\u1ebft ki\u1ec7m chi ph\u00ed th\u1ee9c \u0103n ch\u0103n nu\u00f4i heo"},"content":{"rendered":"

Stress nhi\u1ec7t l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 theo m\u00f9a m\u00e0 ng\u01b0\u1eddi s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i th\u1ee9c \u0103n. B\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 xu\u1ea5t ba chi\u1ebfn l\u01b0\u1ee3c v\u1ec1 ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ri\u00eang l\u1ebb ho\u1eb7c k\u1ebft h\u1ee3p \u0111\u1ec3 h\u1ed7 tr\u1ee3 t\u0103ng tr\u01b0\u1edfng cho heo v\u00e0 t\u1ea1o ra l\u1ee3i nhu\u1eadn.<\/strong><\/p>\n

V\u00e0o m\u00f9a h\u00e8, ng\u01b0\u1eddi ch\u0103n nu\u00f4i heo quan s\u00e1t th\u1ea5y hi\u1ec7u su\u1ea5t t\u0103ng tr\u01b0\u1edfng c\u1ee7a v\u1eadt nu\u00f4i gi\u1ea3m d\u1eabn \u0111\u1ebfn thi\u1ec7t h\u1ea1i kinh t\u1ebf. N\u0103m 2021, heo b\u1ecb gi\u1ebft m\u1ed5 t\u1eeb gi\u1eefa th\u00e1ng 6 \u0111\u1ebfn th\u00e1ng 9 c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 2,3 kg (5 lb) tr\u1ecdng l\u01b0\u1ee3ng th\u00e2n th\u1ecbt gi\u1ea3m so v\u1edbi heo \u0111\u01b0\u1ee3c gi\u1ebft m\u1ed5 t\u1eeb th\u00e1ng 10 \u0111\u1ebfn gi\u1eefa th\u00e1ng 6 (USDA, 2021). Nh\u1eefng thi\u1ec7t h\u1ea1i n\u00e0y t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 6 \u0111\u00f4 la M\u1ef9 cho m\u1ed7i con heo.<\/p>\n

\u0110\u1ec3 th\u00edch nghi v\u1edbi c\u00e1i n\u00f3ng m\u00f9a h\u00e8, c\u01a1 th\u1ec3 heo c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c thay \u0111\u1ed5i sinh l\u00fd gi\u00fap t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 gi\u1ea3m sinh nhi\u1ec7t trong qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t.<\/p>\n

Stress nhi\u1ec7t l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng \u0103n v\u00e0o v\u00e0 do \u0111\u00f3 gi\u1ea3m l\u01b0\u1ee3ng axit amin v\u00e0 n\u0103ng l\u01b0\u1ee3ng, \u0111\u1ed3ng th\u1eddi s\u1ea3n xu\u1ea5t nhi\u1ec1u lo\u1ea1i oxy ph\u1ea3n \u1ee9ng h\u01a1n. T\u1ed5n th\u01b0\u01a1ng ni\u00eam m\u1ea1c ru\u1ed9t, kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 axit amin k\u00e9m h\u01a1n, t\u0103ng tr\u1ecdng trung b\u00ecnh h\u00e0ng ng\u00e0y (ADG) v\u00e0 t\u1ef7 l\u1ec7 t\u0103ng tr\u1ecdng tr\u00ean th\u1ee9c \u0103n (G:F) c\u0169ng th\u1ea5p h\u01a1n.<\/p>\n

Hi\u1ec3u \u0111\u01b0\u1ee3c nh\u1eefng thay \u0111\u1ed5i sinh l\u00fd n\u00e0y gi\u00fap \u0111\u1ec1 xu\u1ea5t v\u00e0 th\u1eed nghi\u1ec7m c\u00e1c chi\u1ebfn l\u01b0\u1ee3c dinh d\u01b0\u1ee1ng \u0111\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho heo th\u00edch nghi v\u1edbi nhi\u1ec7t \u0111\u1ed9. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ba chi\u1ebfn l\u01b0\u1ee3c dinh d\u01b0\u1ee1ng kh\u1ea3 thi \u0111\u1ec3 duy tr\u00ec s\u1ef1 t\u0103ng tr\u01b0\u1edfng c\u1ee7a heo trong th\u1eddi gian b\u1ecb stress nhi\u1ec7t.<\/p>\n

\"\"<\/p>\n

1. GI\u1ea2M H\u00c0M L\u01af\u1ee2NG PROTEIN TH\u00d4<\/strong><\/p>\n

T\u0103ng l\u01b0\u1ee3ng protein \u0103n v\u00e0o d\u1eabn \u0111\u1ebfn sinh nhi\u1ec7t cao h\u01a1n trong qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t. M\u1ed9t \u0111\u00e1nh gi\u00e1 v\u1ec1 hi\u1ec7u su\u1ea5t t\u0103ng tr\u01b0\u1edfng \u1edf heo trong \u0111i\u1ec1u ki\u1ec7n stress nhi\u1ec7t cho th\u1ea5y heo \u0103n kh\u1ea9u ph\u1ea7n c\u00f3 11,3% protein th\u00f4 \u2013 so v\u1edbi 13,6% protein th\u00f4 \u2013 c\u00f3 l\u01b0\u1ee3ng th\u1ee9c \u0103n \u0103n v\u00e0o v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng c\u01a1 th\u1ec3 s\u1ed1ng cu\u1ed1i c\u00f9ng cao h\u01a1n do h\u00e0m l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng r\u00f2ng tr\u00ean m\u1ed9t \u0111\u01a1n v\u1ecb th\u1ee9c \u0103n l\u1edbn h\u01a1n v\u00e0 \u0111\u00f3ng g\u00f3p ti\u1ec1m n\u0103ng sinh nhi\u1ec7t trong qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i ch\u1ea5t th\u1ea5p h\u01a1n. Vi\u1ec7c c\u1eaft gi\u1ea3m l\u01b0\u1ee3ng protein \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 c\u1ea3i thi\u1ec7n n\u0103ng su\u1ea5t c\u1ee7a heo b\u1ecb stress nhi\u1ec7t v\u00e0 gi\u1ea3m chi ph\u00ed th\u1ee9c \u0103n.<\/p>\n

N\u0103m 2018, m\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u do Ti\u1ebfn s\u0129 John Htoo tr\u1ef1c thu\u1ed9c Evonik d\u1eabn \u0111\u1ea7u \u0111\u00e3 ph\u00e2n t\u00edch d\u1eef li\u1ec7u t\u1eeb 30 nghi\u00ean c\u1ee9u \u0111\u00e1nh gi\u00e1 t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c gi\u1ea3m h\u00e0m l\u01b0\u1ee3ng protein trong kh\u1ea9u ph\u1ea7n \u0103n c\u1ee7a heo trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng b\u1ecb stress nhi\u1ec7t. B\u1ea3y t\u00e1c \u0111\u1ed9ng b\u1ea5t l\u1ee3i \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch b\u1eb1ng s\u1ef1 thi\u1ebfu h\u1ee5t h\u00e0m l\u01b0\u1ee3ng axit amin thi\u1ebft y\u1ebfu v\u00e0 axit amin kh\u00f4ng thi\u1ebft y\u1ebfu. Do \u0111\u00f3, vi\u1ec7c gi\u1ea3m protein kh\u1ea9u ph\u1ea7n \u0111\u00f2i h\u1ecfi ph\u1ea3i \u0111\u00e1nh gi\u00e1 t\u1ec9 m\u1ec9 t\u1eebng nguy\u00ean li\u1ec7u th\u1ee9c \u0103n, s\u1ef1 tin t\u01b0\u1edfng v\u1ec1 nhu c\u1ea7u axit amin thi\u1ebft y\u1ebfu c\u1ee7a heo trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng ho\u1eb7c \u0111\u1ea7y th\u1eed th\u00e1ch, h\u00e0m l\u01b0\u1ee3ng axit amin kh\u00f4ng thi\u1ebft y\u1ebfu \u0111\u1ee7 trong kh\u1ea9u ph\u1ea7n v\u00e0 s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng r\u00f2ng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00f4ng th\u1ee9c th\u1ee9c \u0103n ch\u0103n nu\u00f4i ph\u00f9 h\u1ee3p.<\/p>\n

2. T\u0102NG M\u1eacT \u0110\u1ed8 AXIT AMIN TRONG KH\u1ea8U PH\u1ea6N<\/strong><\/p>\n

Gi\u1ea3m l\u01b0\u1ee3ng \u0103n v\u00e0o \u1edf heo b\u1ecb stress nhi\u1ec7t b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi \u0111\u1ed9 tu\u1ed5i, k\u00edch th\u01b0\u1edbc v\u00e0 nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng. S\u1ef1 s\u1ee5t gi\u1ea3m l\u1edbn \u1edf nh\u1eefng con heo n\u1eb7ng h\u01a1n v\u00e0 tr\u1edf n\u00ean t\u1ed3i t\u1ec7 h\u01a1n khi nhi\u1ec7t \u0111\u1ed9 xung quanh t\u0103ng l\u00ean. N\u0103m 2011, m\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u do David Renaudeau tr\u1ef1c thu\u1ed9c Vi\u1ec7n V\u0103n h\u00f3a N\u00f4ng nghi\u1ec7p, Th\u1ef1c ph\u1ea9m v\u00e0 M\u00f4i tr\u01b0\u1eddng Qu\u1ed1c gia Ph\u00e1p (INRAE) \u0111\u00e3 \u0111\u00e0o s\u00e2u v\u00e0o ch\u1ee7 \u0111\u1ec1 n\u00e0y. Nh\u00f3m nghi\u00ean c\u1ee9u \u01b0\u1edbc t\u00ednh r\u1eb1ng nh\u1eefng con heo c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng c\u01a1 th\u1ec3 25, 50 v\u00e0 75 kg (t\u01b0\u01a1ng \u1ee9ng l\u00e0 55, 110 v\u00e0 165 lb) s\u1ebd gi\u1ea3m l\u01b0\u1ee3ng th\u1ee9c \u0103n \u0103n v\u00e0o l\u1ea7n l\u01b0\u1ee3t l\u00e0 9, 32 v\u00e0 55 g\/ng\u00e0y khi nhi\u1ec7t \u0111\u1ed9 26\u00b0C tr\u1edf l\u00ean. \u0110\u1ec3 t\u0103ng m\u1eadt \u0111\u1ed9 axit amin trong kh\u1ea9u ph\u1ea7n \u0103n, ng\u01b0\u1eddi ch\u0103n nu\u00f4i n\u00ean so s\u00e1nh l\u01b0\u1ee3ng \u0103n v\u00e0o c\u1ee7a heo \u0111\u01b0\u1ee3c nu\u00f4i trong m\u00f9a h\u00e8 v\u00e0 kh\u00f4ng ph\u1ea3i m\u00f9a h\u00e8, l\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 \u1edf giai \u0111o\u1ea1n t\u0103ng tr\u01b0\u1edfng (v\u00ed d\u1ee5: n\u1ebfu \u01b0\u1edbc t\u00ednh l\u01b0\u1ee3ng th\u1ee9c \u0103n \u0103n v\u00e0o gi\u1ea3m 25% trong m\u00f9a h\u00e8, th\u00ec m\u1eadt \u0111\u1ed9 axit amin t\u0103ng 25% c\u00f3 th\u1ec3 gi\u00fap h\u1ed7 tr\u1ee3 t\u0103ng tr\u01b0\u1edfng).<\/p>\n

N\u0103m 2018, m\u1ed9t nh\u00f3m do nh\u00e0 nghi\u00ean c\u1ee9u Adriana Morales Trejo thu\u1ed9c \u0110\u1ea1i h\u1ecdc t\u1ef1 tr\u1ecb Baja California \u1edf Mexico \u0111\u00e3 \u0111\u00e1nh gi\u00e1 n\u0103ng su\u1ea5t t\u0103ng tr\u01b0\u1edfng v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng th\u00e2n th\u1ecbt n\u00f3ng c\u1ee7a heo c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng c\u01a1 th\u1ec3 33 kg (73 lb) trong \u0111i\u1ec1u ki\u1ec7n stress nhi\u1ec7t (28 \u0111\u1ebfn 38\u00b0, 21 ng\u00e0y th\u1eed nghi\u1ec7m). Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ec9 \u0111\u1ecbnh \u00e1p d\u1ee5ng m\u1ed9t trong ba l\u00f4 th\u1eed nghi\u1ec7m b\u1eb1ng c\u00e1c kh\u1ea9u ph\u1ea7n \u0103n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem vi\u1ec7c t\u0103ng 25% n\u1ed3ng \u0111\u1ed9 axit amin thi\u1ebft y\u1ebfu so v\u1edbi khuy\u1ebfn ngh\u1ecb c\u1ee7a H\u1ed9i \u0111\u1ed3ng Nghi\u00ean c\u1ee9u Qu\u1ed1c gia (NRC) n\u0103m 2012 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n n\u0103ng su\u1ea5t c\u1ee7a ch\u00fang hay kh\u00f4ng v\u00e0 li\u1ec7u ngu\u1ed3n cung c\u1ea5p c\u00e1c axit amin, nh\u01b0 b\u1ed9t \u0111\u1eadu n\u00e0nh ho\u1eb7c axit amin tinh th\u1ec3, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn n\u0103ng su\u1ea5t kh\u00e1c nhau. C\u00e1c l\u00f4 th\u1eed nghi\u1ec7m b\u1ed5 sung th\u00eam 25% axit amin thi\u1ebft y\u1ebfu d\u01b0\u1edbi d\u1ea1ng protein nguy\u00ean v\u1eb9n (CON+IP) ho\u1eb7c axit amin tinh th\u1ec3 (CON+AA).<\/p>\n

Trong th\u00ed nghi\u1ec7m n\u00e0y, kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 l\u01b0\u1ee3ng \u0103n v\u00e0o \u1edf heo. Nh\u1eefng kh\u1ea9u ph\u1ea7n \u0111\u01b0\u1ee3c cho \u0103n ch\u1ee9a nhi\u1ec1u axit amin thi\u1ebft y\u1ebfu h\u01a1n \u0111\u00e3 th\u1ea5y s\u1ef1 gia t\u0103ng ADG v\u00e0 G:F. Tuy nhi\u00ean, vi\u1ec7c cung c\u1ea5p th\u00eam axit amin b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng axit amin tinh th\u1ec3 thay v\u00ec b\u1ed9t \u0111\u1eadu n\u00e0nh l\u00e0m t\u0103ng hi\u1ec7u qu\u1ea3 ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng, th\u1ec3 hi\u1ec7n \u1edf t\u1ef7 l\u1ec7 G:F l\u1edbn h\u01a1n.<\/p>\n

3. T\u0102NG NHU C\u1ea6U METHIONINE<\/strong><\/p>\n

Khi b\u1ecb stress nhi\u1ec7t, heo t\u00edch t\u1ee5 c\u00e1c lo\u1ea1i oxy h\u00f3a ph\u1ea3n \u1ee9ng ph\u00e1 v\u1ee1 t\u00ednh to\u00e0n v\u1eb9n v\u00e0 t\u0103ng t\u00ednh th\u1ea5m c\u1ee7a t\u1ebf b\u00e0o, d\u1eabn \u0111\u1ebfn t\u1ed5n th\u01b0\u01a1ng n\u1ed9i t\u1ea1ng v\u00e0 r\u00f2 r\u1ec9 ru\u1ed9t.<\/p>\n

C\u00e1c enzyme ch\u1ed1ng oxy h\u00f3a trong c\u01a1 th\u1ec3 \u2013 nh\u01b0 catalase, superoxide dismutase v\u00e0 glutathione peroxidase \u2013 l\u00e0m gi\u1ea3m c\u00e1c lo\u1ea1i oxy h\u00f3a ph\u1ea3n \u1ee9ng v\u00e0 chuy\u1ec3n \u0111\u1ed5i ch\u00fang th\u00e0nh c\u00e1c ph\u00e2n t\u1eed kh\u00f4ng g\u00e2y h\u1ea1i cho c\u01a1 th\u1ec3.<\/p>\n

Glutathione \u2013 ch\u1ea5t ch\u1ed1ng oxy h\u00f3a t\u1ebf b\u00e0o m\u1ea1nh nh\u1ea5t \u2013 \u0111\u01b0\u1ee3c d\u00f9ng b\u1edfi glutathione peroxidase \u0111\u1ec3 gi\u1ea3m c\u00e1c lo\u1ea1i oxy ph\u1ea3n \u1ee9ng. N\u00f3 \u0111\u01b0\u1ee3c c\u01a1 th\u1ec3 s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng glutamine v\u00e0 glycine (th\u01b0\u1eddng l\u00e0 d\u1ed3i d\u00e0o) v\u00e0 cysteine (gi\u1edbi h\u1ea1n theo \u0111i\u1ec1u ki\u1ec7n). Methionine l\u00e0 ti\u1ec1n ch\u1ea5t c\u1ee7a cysteine v\u00e0 \u1edf m\u1ee9c t\u1ed1i \u01b0u c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o cho qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p glutathione. Do \u0111\u00f3, trong th\u1eddi gian stress nhi\u1ec7t, nhu c\u1ea7u v\u1ec1 methionine c\u00f3 th\u1ec3 l\u1edbn h\u01a1n \u0111\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa ch\u1ea5t oxy h\u00f3a v\u00e0 ch\u1ea5t ch\u1ed1ng oxy h\u00f3a trong c\u01a1 th\u1ec3.<\/p>\n

M\u1ed9t nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y v\u00e0o n\u0103m 2021 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi m\u1ed9t nh\u00f3m do Adria na Morales Trejo d\u1eabn \u0111\u1ea7u t\u1ea1i \u0110\u1ea1i h\u1ecdc t\u1ef1 tr\u1ecb Baja California \u1edf Mexico, v\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a Evonik. K\u1ebft qu\u1ea3 cho th\u1ea5y r\u1eb1ng heo trong \u0111i\u1ec1u ki\u1ec7n stress nhi\u1ec7t \u0111\u01b0\u1ee3c cho \u0103n \u1edf m\u1ee9c 120% methionine so v\u1edbi m\u1ee9c \u0111\u1ec1 ngh\u1ecb c\u1ee7a NRC (2012) \u0111\u00e3 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 t\u0103ng tr\u01b0\u1edfng, s\u1eed d\u1ee5ng lysine v\u00e0 threonine, c\u0169ng nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a, nh\u01b0 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong<\/p>\n

Nh\u1eefng ph\u00e1t hi\u1ec7n n\u00e0y cho th\u1ea5y r\u1eb1ng methionine b\u1ecb h\u1ea1n ch\u1ebf khi heo b\u1ecb stress nhi\u1ec7t v\u00e0 vi\u1ec7c t\u0103ng m\u1ee9c \u0111\u1ed9 methionine s\u1ebd t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng lysine v\u00e0 threonine v\u00e0 c\u00e1c axit amin kh\u00e1c. Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u00e1nh gi\u00e1 l\u1ee3i \u00edch kinh t\u1ebf c\u1ee7a vi\u1ec7c cho heo \u0103n methionine \u1edf m\u1ee9c 120% so v\u1edbi m\u1ee9c khuy\u1ebfn ngh\u1ecb 100% c\u1ee7a NRC trong th\u1eddi gian trung h\u00f2a nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n stress nhi\u1ec7t. Vi\u1ec7c t\u0103ng t\u1ef7 l\u1ec7 methionine l\u00ean 120% so v\u1edbi khuy\u1ebfn ngh\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 l\u00e0m t\u0103ng hi\u1ec7u qu\u1ea3 t\u0103ng tr\u01b0\u1edfng c\u1ee7a heo trong \u0111i\u1ec1u ki\u1ec7n stress nhi\u1ec7t v\u00e0 gi\u1ea3m chi ph\u00ed th\u1ee9c \u0103n tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb t\u0103ng tr\u1ecdng.<\/p>\n

K\u1ebeT LU\u1eacN<\/strong><\/p>\n

Gi\u1ea3m h\u00e0m l\u01b0\u1ee3ng protein th\u00f4 c\u00f9ng v\u1edbi c\u00e2n b\u1eb1ng h\u1ee3p l\u00fd axit amin trong kh\u1ea9u ph\u1ea7n \u0103n c\u00f3 th\u1ec3 l\u00e0m t\u0103ng h\u00e0m l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng r\u00f2ng, c\u1ea3i thi\u1ec7n n\u0103ng su\u1ea5t sinh tr\u01b0\u1edfng v\u00e0 gi\u1ea3m chi ph\u00ed th\u1ee9c \u0103n tr\u00ean m\u1ed9t \u0111\u01a1n v\u1ecb t\u0103ng tr\u1ecdng c\u1ee7a heo b\u1ecb stress nhi\u1ec7t. Vi\u1ec7c t\u0103ng m\u1eadt \u0111\u1ed9 axit amin b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng b\u1ed9t \u0111\u1eadu n\u00e0nh g\u1eafn v\u1edbi protein ho\u1eb7c axit amin tinh th\u1ec3 \u0111\u00e3 ch\u1ee9ng minh ADG v\u00e0 G:F c\u1ee7a heo b\u1ecb stress nhi\u1ec7t, nh\u01b0ng vi\u1ec7c t\u0103ng m\u1eadt \u0111\u1ed9 axit amin ch\u1ec9 b\u1eb1ng axit amin tinh th\u1ec3 c\u00f2n l\u00e0m t\u0103ng th\u00eam G:F.<\/p>\n

B\u1ed5 sung methionine \u1edf m\u1ee9c 120% so v\u1edbi khuy\u1ebfn ngh\u1ecb c\u1ee7a NRC cho heo b\u1ecb stress nhi\u1ec7t \u0111\u00e3 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 t\u0103ng tr\u01b0\u1edfng c\u1ee7a heo, s\u1eed d\u1ee5ng lysine v\u00e0 threonine c\u0169ng nh\u01b0 t\u00ecnh tr\u1ea1ng ch\u1ed1ng oxy h\u00f3a. N\u00f3 c\u0169ng l\u00e0m gi\u1ea3m chi ph\u00ed th\u1ee9c \u0103n tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb t\u0103ng tr\u1ecdng so v\u1edbi heo \u0111\u01b0\u1ee3c cho \u0103n m\u1ee9c 100% theo khuy\u1ebfn ngh\u1ecb c\u1ee7a NRC.<\/p>\n

 <\/p>\n

Theo Nh\u00e0 ch\u0103n nu\u00f4i<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Stress nhi\u1ec7t l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 theo m\u00f9a m\u00e0 ng\u01b0\u1eddi s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i th\u1ee9c \u0103n. B\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 xu\u1ea5t ba chi\u1ebfn l\u01b0\u1ee3c v\u1ec1 ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ri\u00eang l\u1ebb ho\u1eb7c k\u1ebft h\u1ee3p \u0111\u1ec3 h\u1ed7 tr\u1ee3 t\u0103ng tr\u01b0\u1edfng cho heo v\u00e0 t\u1ea1o ra […]\n","protected":false},"author":722,"featured_media":7037,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27,89],"tags":[869,163,868,802,138,125,862],"class_list":["post-7036","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-industry-news","tag-axit-amin","tag-gia-suc","tag-protein-tho","tag-stress-nhiet","tag-thu-y","tag-thuoc-thu-y","tag-thuoc-thu-y-apa"],"_links":{"self":[{"href":"https:\/\/apanano.vn\/vi\/wp-json\/wp\/v2\/posts\/7036","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/apanano.vn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/apanano.vn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/apanano.vn\/vi\/wp-json\/wp\/v2\/users\/722"}],"replies":[{"embeddable":true,"href":"https:\/\/apanano.vn\/vi\/wp-json\/wp\/v2\/comments?post=7036"}],"version-history":[{"count":1,"href":"https:\/\/apanano.vn\/vi\/wp-json\/wp\/v2\/posts\/7036\/revisions"}],"predecessor-version":[{"id":7038,"href":"https:\/\/apanano.vn\/vi\/wp-json\/wp\/v2\/posts\/7036\/revisions\/7038"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/apanano.vn\/vi\/wp-json\/wp\/v2\/media\/7037"}],"wp:attachment":[{"href":"https:\/\/apanano.vn\/vi\/wp-json\/wp\/v2\/media?parent=7036"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/apanano.vn\/vi\/wp-json\/wp\/v2\/categories?post=7036"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/apanano.vn\/vi\/wp-json\/wp\/v2\/tags?post=7036"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}