{"id":8147,"date":"2026-06-25T11:18:25","date_gmt":"2026-06-25T04:18:25","guid":{"rendered":"https:\/\/apanano.com\/?p=8147"},"modified":"2026-06-25T11:18:25","modified_gmt":"2026-06-25T04:18:25","slug":"vai-tro-cua-methionine-dang-boc-doi-voi-hieu-suat-cua-bo-sua-trong-giai-doan-chuyen-tiep","status":"publish","type":"post","link":"https:\/\/apanano.com\/vi\/news\/vai-tro-cua-methionine-dang-boc-doi-voi-hieu-suat-cua-bo-sua-trong-giai-doan-chuyen-tiep\/","title":{"rendered":"Vai tr\u00f2 c\u1ee7a Methionine d\u1ea1ng b\u1ecdc \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t c\u1ee7a b\u00f2 s\u1eefa trong giai \u0111o\u1ea1n chuy\u1ec3n ti\u1ebfp"},"content":{"rendered":"

Giai \u0111o\u1ea1n chuy\u1ec3n ti\u1ebfp l\u00e0 giai \u0111o\u1ea1n quan tr\u1ecdng trong chu k\u1ef3 s\u1ea3n xu\u1ea5t c\u1ee7a b\u00f2 s\u1eefa v\u00e0 \u0111\u1eb7c tr\u01b0ng l\u00e0 s\u1ef1 th\u00e1ch th\u1ee9c c\u1ee7a h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch. Ng\u0103n ch\u1eb7n c\u00e1c v\u1ea5n \u0111\u1ec1 trao \u0111\u1ed5i ch\u1ea5t trong giai \u0111o\u1ea1n nh\u1ea1y c\u1ea3m n\u00e0y l\u00e0 m\u1ed9t ch\u00eca kh\u00f3a \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a hi\u1ec7u su\u1ea5t. T\u1ea1i th\u1eddi \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u cho con b\u00fa, b\u00f2 s\u1eefa s\u1ebd m\u1ea5t c\u00e2n b\u1eb1ng v\u1ec1 n\u0103ng l\u01b0\u1ee3ng v\u00e0 protein. \u00c1p d\u1ee5ng \u0111\u00fang kh\u1ea9u ph\u1ea7n cho \u0103n \u0111\u1ec3 t\u0103ng l\u01b0\u1ee3ng v\u1eadt ch\u1ea5t kh\u00f4 \u0103n v\u00e0o t\u1ea1i th\u1eddi \u0111i\u1ec3m c\u1eadn chu k\u1ef3 v\u00e0 h\u1ed7 tr\u1ee3 ch\u1ee9c n\u0103ng mi\u1ec5n d\u1ecbch t\u1ed1i \u01b0u s\u1ebd \u0111\u1ea3m b\u1ea3o kh\u1edfi \u0111\u1ea7u t\u1ed1t cho vi\u1ec7c ti\u1ebft s\u1eefa v\u00e0 c\u1ea3i thi\u1ec7n v\u1ea5n \u0111\u1ec1 v\u1ec1 s\u1ee9c kh\u1ecfe c\u1ee7a b\u00f2 m\u1eb9. Methionine \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t axit amin gi\u1edbi h\u1ea1n \u0111\u1ea7u ti\u00ean trong ph\u1ea7n l\u1edbn b\u00f2 s\u1eefa cao s\u1ea3n.<\/strong><\/p>\n

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Methionine kh\u00f4ng nh\u1eefng l\u00e0 m\u1ed9t axit amin thi\u1ebft y\u1ebfu, m\u00e0 c\u00f2n ch\u1ecbu tr\u00e1ch nhi\u1ec7m duy tr\u00ec m\u1ed9t s\u1ed1 ch\u1ee9c n\u0103ng mi\u1ec5n d\u1ecbch. Do \u0111\u00f3, nghi\u00ean c\u1ee9u n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u1ea3nh h\u01b0\u1edfng c\u1ee7a methionine \u0111\u01b0\u1ee3c b\u1ecdc b\u1edfi ethyl-cellulose tr\u00ean th\u00fa nhai l\u1ea1i (ERPM, Mepron\u00ae<\/sup>) tr\u00ean hi\u1ec7u su\u1ea5t s\u1ea3n xu\u1ea5t v\u00e0 t\u00ecnh tr\u1ea1ng s\u1ee9c kh\u1ecfe c\u1ee7a b\u00f2 s\u1eefa cao s\u1ea3n trong su\u1ed1t giai \u0111o\u1ea1n chuy\u1ec3n ti\u1ebfp v\u00e0 giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t cao.<\/p>\n

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\"\"<\/a><\/p>\n

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Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i Dairy Research Farm, University of Illinois, USA. 60 b\u00f2 s\u1eefa lai Holstein \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t th\u00ed nghi\u1ec7m ho\u00e0n to\u00e0n ng\u1eabu nhi\u00ean v\u1edbi 30 b\u00f2 s\u1eefa cho m\u1ed9t l\u00f4 th\u00ed nghi\u1ec7m. C\u00e1c l\u00f4 th\u00ed nghi\u1ec7m bao g\u1ed3m; 1. L\u00f4 \u0111\u1ed1i ch\u1ee9ng, b\u00f2 s\u1eefa \u0111\u00e3 \u0111\u01b0\u1ee3c cho \u0103n v\u1edbi kh\u1ea9u ph\u1ea7n \u0103n c\u01a1 b\u1ea3n (giai \u0111o\u1ea1n s\u1eafp sinh, giai \u0111o\u1ea1n m\u1edbi sinh v\u00e0 giai \u0111o\u1ea1n \u0111\u1ec9nh s\u1eefa) kh\u00f4ng b\u1ed5 sung ERMP, v\u00e0 2. L\u00f4 th\u00ed nghi\u1ec7m, kh\u1ea9u ph\u1ea7n \u0103n c\u1ee7a l\u00f4 \u0111\u1ed1i ch\u1ee9ng v\u1edbi b\u1ed5 sung ERPM \u1edf 0,09% trong kh\u1ea9u ph\u1ea7n \u0103n c\u1ee7a giai \u0111o\u1ea1n s\u1eafp sinh v\u00e0 0,10% kh\u1ea9u ph\u1ea7n \u0103n sau sinh (giai \u0111o\u1ea1n m\u1edbi sinh v\u00e0 giai \u0111o\u1ea1n \u0111\u1ec9nh s\u1eefa) (Batistel v\u00e0 cs., 2017). Vi\u1ec7c b\u1ed5 sung \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o s\u1eed d\u1ee5ng t\u1ef7 l\u1ec7 lysine so v\u1edbi methionine l\u00e0 2,8: 1. Kh\u1ea9u ph\u1ea7n \u0103n c\u1ee7a giai \u0111o\u1ea1n s\u1eafp sinh, giai \u0111o\u1ea1n m\u1edbi sinh v\u00e0 giai \u0111o\u1ea1n \u0111\u1ec9nh s\u1eefa \u0111\u00e3 \u0111\u01b0\u1ee3c cho \u0103n t\u1eeb 28 ng\u00e0y tr\u01b0\u1edbc khi sinh, 1-30 ng\u00e0y l\u00fac b\u1eaft \u0111\u1ea7u cho s\u1eefa v\u00e0 31- 60 ng\u00e0y cho s\u1eefa nhi\u1ec1u.<\/p>\n

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K\u1ebft qu\u1ea3 cho th\u1ea5y b\u00f2 s\u1eefa trong l\u00f4 th\u1eed nghi\u1ec7m (kh\u1ea9u ph\u1ea7n \u0103n b\u1ed5 sung ERPM) c\u00f3 l\u01b0\u1ee3ng ch\u1ea5t kh\u00f4 \u0103n v\u00e0o (DMI) cao h\u01a1n so v\u1edbi nh\u1eefng b\u00f2 s\u1eefa trong nh\u00f3m l\u00f4 \u0111\u1ed1i ch\u1ee9ng. B\u1ed5 sung ERPM c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 (P<0,05) DMI c\u1ee7a b\u00f2 s\u1eefa trong th\u1eddi gian giai \u0111o\u1ea1n s\u1eafp sinh v\u1edbi l\u01b0\u1ee3ng b\u1ed5 sung 1,2 kg\/ng\u00e0y, giai \u0111o\u1ea1n m\u1edbi sin l\u00e0 1,6 kg\/ng\u00e0y v\u00e0 giai \u0111o\u1ea1n \u0111\u1ec9nh s\u1eefa l\u00e0 1,5 kg\/ng\u00e0y. Trong giai \u0111o\u1ea1n m\u1edbi sinh, trung b\u00ecnh n\u0103ng su\u1ea5t s\u1eefa (4,1 kg\/ng\u00e0y), n\u0103ng su\u1ea5t protein s\u1eefa (0,20 kg\/ng\u00e0y), n\u0103ng su\u1ea5t ch\u1ea5t b\u00e9o s\u1eefa (0,17 kg\/ng\u00e0y) v\u00e0 n\u0103ng su\u1ea5t lactose s\u1eefa(0,25 kg\/ng\u00e0y) trong nh\u00f3m l\u00f4 th\u1eed nghi\u1ec7m \u0111\u00e3 t\u0103ng \u0111\u00e1ng k\u1ec3 (P<0,05) so v\u1edbi nh\u00f3m l\u00f4 \u0111\u1ed1i ch\u1ee9ng.<\/p>\n

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Trong th\u1eddi k\u1ef3 s\u1ea3n xu\u1ea5t cao (\u0111\u1ec9nh s\u1eeda), vi\u1ec7c b\u1ed5 sung ERPM t\u0103ng n\u0103ng su\u1ea5t s\u1eefa (P<0,05) l\u00ean 4,4, n\u0103ng su\u1ea5t protein s\u1eefa t\u0103ng 0,17, n\u0103ng su\u1ea5t ch\u1ea5t b\u00e9o s\u1eefa t\u0103ng 0,19 v\u00e0 n\u0103ng su\u1ea5t lactose s\u1eefa t\u0103ng 0,30 kg \/ ng\u00e0y \/ b\u00f2 s\u1eefa. H\u00e0m l\u01b0\u1ee3ng axit b\u00e9o kh\u00f4ng tan v\u00e0 \u03b3-glutamyl chuy\u1ec3n v\u00e0o trong m\u00e1u \u0111\u00e3 gi\u1ea3m 25 v\u00e0 37%, t\u01b0\u01a1ng \u1ee9ng \u1edf nh\u1eefng con b\u00f2 s\u1eefa \u0111\u01b0\u1ee3c cho \u0103n ch\u1ebf \u0111\u1ed9 \u0103n c\u1ee7a l\u00f4 th\u1eed nghi\u1ec7m so v\u1edbi nh\u1eefng con b\u00f2 \u0111\u01b0\u1ee3c cho \u0103n ch\u1ebf \u0111\u1ed9 c\u1ee7a l\u00f4 \u0111\u1ed1i ch\u1ee9ng. Vi\u1ec7c gi\u1ea3m n\u1ed3ng \u0111\u1ed9 axit b\u00e9o v\u00e0-glutamyl chuy\u1ec3n v\u00e0o trong m\u00e1u cho th\u1ea5y ch\u1ee9c n\u0103ng gan v\u00e0 t\u00ecnh tr\u1ea1ng s\u1ee9c kh\u1ecfe c\u1ee7a b\u00f2 s\u1eefa \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. D\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 c\u1ee7a nghi\u00ean c\u1ee9u n\u00e0y, c\u00f3 th\u1ec3 k\u1ebft lu\u1eadn r\u1eb1ng vi\u1ec7c cho \u0103n ERPM trong giai \u0111o\u1ea1n chuy\u1ec3n ti\u1ebfp c\u1ee7a b\u00f2 s\u1eefa gi\u00fap c\u1ea3i thi\u1ec7n l\u01b0\u1ee3ng v\u1eadt ch\u1ea5t kh\u00f4 \u0103n v\u00e0o v\u00e0 t\u00ecnh tr\u1ea1ng s\u1ee9c kh\u1ecfe. Vi\u1ec7c cho \u0103n EPRM t\u1eeb 28 ng\u00e0y tr\u01b0\u1edbc khi sinh gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t s\u1ea3n xu\u1ea5t kh\u00f4ng ch\u1ec9 trong giai \u0111o\u1ea1n sau sinh m\u00e0 c\u00f2n c\u1ea3 giai \u0111o\u1ea1n \u0111\u1ec9nh s\u1eefa.<\/p>\n

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

Giai \u0111o\u1ea1n chuy\u1ec3n ti\u1ebfp l\u00e0 giai \u0111o\u1ea1n quan tr\u1ecdng trong chu k\u1ef3 s\u1ea3n xu\u1ea5t c\u1ee7a b\u00f2 s\u1eefa v\u00e0 \u0111\u1eb7c tr\u01b0ng l\u00e0 s\u1ef1 th\u00e1ch th\u1ee9c c\u1ee7a h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch. Ng\u0103n ch\u1eb7n c\u00e1c v\u1ea5n \u0111\u1ec1 trao \u0111\u1ed5i ch\u1ea5t trong giai \u0111o\u1ea1n … \u0110\u1ecdc th\u00eam<\/a><\/p>\n","protected":false},"author":722,"featured_media":8148,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"sfsi_plus_gutenberg_text_before_share":"","sfsi_plus_gutenberg_show_text_before_share":"","sfsi_plus_gutenberg_icon_type":"","sfsi_plus_gutenberg_icon_alignemt":"","sfsi_plus_gutenburg_max_per_row":"","footnotes":""},"categories":[27,89],"tags":[869,952,125],"class_list":["post-8147","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-industry-news","tag-axit-amin","tag-methionine","tag-thuoc-thu-y"],"_links":{"self":[{"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/posts\/8147","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/users\/722"}],"replies":[{"embeddable":true,"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/comments?post=8147"}],"version-history":[{"count":1,"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/posts\/8147\/revisions"}],"predecessor-version":[{"id":8149,"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/posts\/8147\/revisions\/8149"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/media\/8148"}],"wp:attachment":[{"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/media?parent=8147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/categories?post=8147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/apanano.com\/vi\/wp-json\/wp\/v2\/tags?post=8147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}