{"id":8211,"date":"2026-09-28T14:17:56","date_gmt":"2026-09-28T07:17:56","guid":{"rendered":"https:\/\/apanano.com\/?p=8211"},"modified":"2026-09-28T14:17:56","modified_gmt":"2026-09-28T07:17:56","slug":"khai-pha-tiem-nang-tryptophan-giai-phap-toan-dien-cho-nang-suat-ga-de-va-phuc-loi-ga-giong","status":"publish","type":"post","link":"https:\/\/www.apanano.com\/vi\/news\/khai-pha-tiem-nang-tryptophan-giai-phap-toan-dien-cho-nang-suat-ga-de-va-phuc-loi-ga-giong\/","title":{"rendered":"Khai ph\u00e1 ti\u1ec1m n\u0103ng: Tryptophan \u2013 Gi\u1ea3i ph\u00e1p to\u00e0n di\u1ec7n cho n\u0103ng su\u1ea5t g\u00e0 \u0111\u1ebb v\u00e0 ph\u00fac l\u1ee3i g\u00e0 gi\u1ed1ng"},"content":{"rendered":"

Duy tr\u00ec n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng tr\u1ee9ng trong su\u1ed1t chu k\u1ef3 khai th\u00e1c<\/strong><\/p>\n

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Trong ch\u0103n nu\u00f4i g\u00e0 \u0111\u1ebb hi\u1ec7n \u0111\u1ea1i, hi\u1ec7u qu\u1ea3 kinh t\u1ebf kh\u00f4ng ch\u1ec9 \u0111\u1ebfn t\u1eeb vi\u1ec7c \u0111\u1ea1t s\u1ea3n l\u01b0\u1ee3ng tr\u1ee9ng cao nh\u1ea5t m\u00e0 c\u00f2n t\u1eeb kh\u1ea3 n\u0103ng duy tr\u00ec n\u0103ng su\u1ea5t \u1ed5n \u0111\u1ecbnh trong su\u1ed1t chu k\u1ef3 khai th\u00e1c k\u00e9o d\u00e0i. Tryptophan (Trp) l\u00e0 axit amin ch\u1ee9c n\u0103ng kh\u00f4ng ch\u1ec9 tham gia t\u1ed5ng h\u1ee3p protein m\u00e0 c\u00f2n g\u00f3p ph\u1ea7n h\u1ed7 tr\u1ee3 n\u0103ng su\u1ea5t v\u00e0 \u1ed5n \u0111\u1ecbnh h\u00e0nh vi c\u1ee7a g\u00e0 trong su\u1ed1t v\u00f2ng \u0111\u1eddi s\u1ea3n xu\u1ea5t. Vi\u1ec7c t\u1ed1i \u01b0u t\u1ef7 l\u1ec7 SID Trp:Lys l\u00ean kho\u1ea3ng 25% t\u1eeb giai \u0111o\u1ea1n \u0111\u1ec9nh \u0111\u1ebfn cu\u1ed1i chu k\u1ef3 \u0111\u1ebb gi\u00fap duy tr\u00ec n\u0103ng su\u1ea5t \u1ed5n \u0111\u1ecbnh thay v\u00ec ch\u1ec9 \u0111\u1ea1t m\u1ee9c t\u0103ng tr\u01b0\u1edfng ng\u1eafn h\u1ea1n. B\u00ean c\u1ea1nh \u0111\u00f3, Trp h\u1ed7 tr\u1ee3 s\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 bi\u1ec7t h\u00f3a c\u1ee7a t\u1eed cung, g\u00f3p ph\u1ea7n duy tr\u00ec qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh tr\u1ee9ng \u1ed5n \u0111\u1ecbnh trong su\u1ed1t chu k\u1ef3 khai th\u00e1c. Nghi\u00ean c\u1ee9u cho th\u1ea5y nh\u1eefng c\u1ea3i thi\u1ec7n r\u00f5 r\u1ec7t v\u1ec1 s\u1ea3n l\u01b0\u1ee3ng tr\u1ee9ng ( 4,4%), kh\u1ed1i l\u01b0\u1ee3ng v\u1ecf tr\u1ee9ng ( 15%) v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng l\u00f2ng tr\u1eafng ( 3%) \u1edf g\u00e0 giai \u0111o\u1ea1n \u0111\u1ec9nh n\u0103ng su\u1ea5t (29 \u2013 49 tu\u1ea7n tu\u1ed5i) (Lima v\u00e0 cs., 2012, H\u00ecnh 1).<\/p>\n

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H\u00ecnh 1. \u1ea2nh h\u01b0\u1edfng c\u1ee7a Trp \u0111\u1ebfn s\u1ea3n l\u01b0\u1ee3ng tr\u1ee9ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng l\u00f2ng tr\u1eafng<\/em><\/p>\n

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K\u00e9o d\u00e0i v\u00f2ng \u0111\u1eddi khai th\u00e1c \u0111\u1ebfn 100 tu\u1ea7n<\/strong><\/p>\n

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Khi chu k\u1ef3 khai th\u00e1c th\u01b0\u01a1ng m\u1ea1i c\u1ee7a g\u00e0 \u0111\u1ebb \u0111ang h\u01b0\u1edbng \u0111\u1ebfn 100 tu\u1ea7n, vi\u1ec7c duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng v\u1ecf tr\u1ee9ng v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a h\u1ec7 x\u01b0\u01a1ng tr\u1edf n\u00ean ng\u00e0y c\u00e0ng quan tr\u1ecdng. Trp h\u1ed7 tr\u1ee3 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng canxi th\u00f4ng qua c\u1ea3i thi\u1ec7n h\u1ea5p thu \u1edf ru\u1ed9t, h\u1ed7 tr\u1ee3 huy \u0111\u1ed9ng canxi t\u1eeb x\u01b0\u01a1ng \u0111\u1ec3 h\u00ecnh th\u00e0nh v\u1ecf tr\u1ee9ng v\u00e0 h\u1ea1n ch\u1ebf th\u1ea5t tho\u00e1t qua n\u01b0\u1edbc ti\u1ec3u th\u00f4ng qua c\u00e1c con \u0111\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn serotonin v\u00e0 PTH (Black v\u00e0 cs, 2023). Nh\u1edd \u0111\u00f3, ch\u1ea5t l\u01b0\u1ee3ng v\u1ecf tr\u1ee9ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 h\u1ec7 x\u01b0\u01a1ng \u0111\u01b0\u1ee3c h\u1ea1n ch\u1ebf, \u0111\u1ed3ng th\u1eddi g\u00f3p ph\u1ea7n duy tr\u00ec n\u0103ng su\u1ea5t \u1ed5n \u0111\u1ecbnh \u1edf giai \u0111o\u1ea1n cu\u1ed1i v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 kinh t\u1ebf c\u1ee7a chu k\u1ef3 khai th\u00e1c. \u1ede g\u00e0 \u0111\u1ebb 60-77 tu\u1ea7n tu\u1ed5i, t\u0103ng t\u1ef7 l\u1ec7 Trp: Lys t\u1eeb 19% l\u00ean 25% gi\u00fap c\u1ea3i thi\u1ec7n s\u1ea3n l\u01b0\u1ee3ng tr\u1ee9ng ( 6,1%) v\u00e0 FCR ( 5,5%) (Oliveira v\u00e0 cs, 2026).<\/p>\n

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Khi chu k\u1ef3 khai th\u00e1c th\u01b0\u01a1ng m\u1ea1i c\u1ee7a g\u00e0 \u0111\u1ebb \u0111ang h\u01b0\u1edbng \u0111\u1ebfn 100 tu\u1ea7n, vi\u1ec7c duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng v\u1ecf tr\u1ee9ng v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a h\u1ec7 x\u01b0\u01a1ng tr\u1edf n\u00ean ng\u00e0y c\u00e0ng quan tr\u1ecdng.<\/em><\/p>\n

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Ki\u1ec3m so\u00e1t th\u00e1ch th\u1ee9c \u201c\u0111\u00f3i \u2013 hung h\u0103ng\u201d<\/strong><\/p>\n

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\u1ede g\u00e0 gi\u1ed1ng h\u01b0\u1edbng th\u1ecbt, Trp g\u00f3p ph\u1ea7n gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 \u201c\u0111\u00f3i \u2013 hung h\u0103ng\u201d ph\u00e1t sinh t\u1eeb ch\u1ebf \u0111\u1ed9 cho \u0103n h\u1ea1n ch\u1ebf c\u1ea7n thi\u1ebft \u0111\u1ec3 ki\u1ec3m so\u00e1t th\u1ec3 tr\u1ecdng. Th\u00f4ng qua \u0111i\u1ec1u h\u00f2a c\u00e1c con \u0111\u01b0\u1eddng serotonin, Trp gi\u00fap gi\u1ea3m h\u00e0nh vi hung h\u0103ng li\u00ean quan \u0111\u1ebfn stress, qua \u0111\u00f3 h\u1ed7 tr\u1ee3 \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u \u0111\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh h\u00e0nh vi, g\u00f3p ph\u1ea7n duy tr\u00ec n\u0103ng l\u1ef1c sinh s\u1ea3n.<\/p>\n

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Ch\u1ee9c n\u0103ng k\u00e9p v\u1ec1 chuy\u1ec3n h\u00f3a v\u00e0 h\u00e0nh vi gi\u00fap Trp tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 dinh d\u01b0\u1ee1ng c\u00f3 gi\u00e1 tr\u1ecb trong ch\u0103n nu\u00f4i gia c\u1ea7m. Th\u00f4ng qua h\u1ed7 tr\u1ee3 s\u1ea3n l\u01b0\u1ee3ng, ch\u1ea5t l\u01b0\u1ee3ng tr\u1ee9ng v\u00e0 ph\u00fac l\u1ee3i v\u1eadt nu\u00f4i, Trp mang l\u1ea1i nh\u1eefng gi\u00e1 tr\u1ecb c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng trong su\u1ed1t chu k\u1ef3 s\u1ea3n xu\u1ea5t.<\/p>\n

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Ngu\u1ed3n <\/span>www.nhachannuoi.vn<\/p>\n","protected":false},"excerpt":{"rendered":"

Duy tr\u00ec n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng tr\u1ee9ng trong su\u1ed1t chu k\u1ef3 khai th\u00e1c   Trong ch\u0103n nu\u00f4i g\u00e0 \u0111\u1ebb hi\u1ec7n \u0111\u1ea1i, hi\u1ec7u qu\u1ea3 kinh t\u1ebf kh\u00f4ng ch\u1ec9 \u0111\u1ebfn t\u1eeb vi\u1ec7c \u0111\u1ea1t s\u1ea3n l\u01b0\u1ee3ng tr\u1ee9ng cao nh\u1ea5t m\u00e0 c\u00f2n t\u1eeb … \u0110\u1ecdc th\u00eam<\/a><\/p>\n","protected":false},"author":722,"featured_media":8212,"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":[938,125],"class_list":["post-8211","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-industry-news","tag-chan-nuoi-ga-de","tag-thuoc-thu-y"],"_links":{"self":[{"href":"https:\/\/www.apanano.com\/vi\/wp-json\/wp\/v2\/posts\/8211","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.apanano.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.apanano.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.apanano.com\/vi\/wp-json\/wp\/v2\/users\/722"}],"replies":[{"embeddable":true,"href":"https:\/\/www.apanano.com\/vi\/wp-json\/wp\/v2\/comments?post=8211"}],"version-history":[{"count":1,"href":"https:\/\/www.apanano.com\/vi\/wp-json\/wp\/v2\/posts\/8211\/revisions"}],"predecessor-version":[{"id":8213,"href":"https:\/\/www.apanano.com\/vi\/wp-json\/wp\/v2\/posts\/8211\/revisions\/8213"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.apanano.com\/vi\/wp-json\/wp\/v2\/media\/8212"}],"wp:attachment":[{"href":"https:\/\/www.apanano.com\/vi\/wp-json\/wp\/v2\/media?parent=8211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.apanano.com\/vi\/wp-json\/wp\/v2\/categories?post=8211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.apanano.com\/vi\/wp-json\/wp\/v2\/tags?post=8211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}