{"id":1845,"date":"2014-02-13T01:30:58","date_gmt":"2014-02-12T18:30:58","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=1845"},"modified":"2014-02-13T01:30:58","modified_gmt":"2014-02-12T18:30:58","slug":"kham-pha-ra-dot-bien-quan-trong-o-bo-sua","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/kham-pha-ra-dot-bien-quan-trong-o-bo-sua\/","title":{"rendered":"Kh\u00e1m ph\u00e1 ra \u0111\u1ed9t bi\u1ebfn quan tr\u1ecdng \u1edf b\u00f2 s\u1eefa"},"content":{"rendered":"
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C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n th\u1ea5y \u0111\u1ed9t bi\u1ebfn m\u1ea5t gen c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ed3ng th\u1eddi \u0111\u1ebfn kh\u1ea3 n\u0103ng sinh s\u1ea3n v\u00e0 s\u1ea3n l\u01b0\u1ee3ng s\u1eefa \u1edf b\u00f2 s\u1eefa. Ph\u00e1t hi\u1ec7n n\u00e0y c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3i th\u00edch cho m\u1ed9t t\u00ecnh hu\u1ed1ng nan gi\u1ea3i trong ch\u0103n nu\u00f4i b\u00f2 s\u1eefa: t\u01b0\u01a1ng quan ti\u00eau c\u1ef1c gi\u1eefa kh\u1ea3 n\u0103ng sinh s\u1ea3n v\u00e0 s\u1ea3n xu\u1ea5t s\u1eefa.<\/span>\u0110\u0103ng ng\u00e0y 13-02-2014<\/span> trong chuy\u00ean m\u1ee5c Tin th\u1ebf gi\u1edbi<\/a><\/p>\n<\/div>\n

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Trong nhi\u1ec1u n\u0103m qua, s\u1ea3n l\u01b0\u1ee3ng s\u1eefa \u1edf b\u00f2 s\u1eefa Scandinavia \u0111i theo m\u1ed9t xu h\u01b0\u1edbng r\u00f5 r\u00e0ng: t\u0103ng l\u00ean nh\u1edd ch\u01b0\u01a1ng tr\u00ecnh lai t\u1ea1o gi\u1ed1ng m\u1ee5c ti\u00eau v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u0103n nu\u00f4i hi\u1ec7n \u0111\u1ea1i. B\u1ea5t ch\u1ea5p s\u1ee9c \u00e9p l\u1edbn cho m\u1ee5c ti\u00eau lai t\u1ea1o gi\u1ed1ng \u1edf c\u00e1c n\u01b0\u1edbc B\u1eafc \u00c2u, h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 s\u1ef1 c\u1ea3i thi\u1ec7n n\u00e0o \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1ec1 kh\u1ea3 n\u0103ng sinh s\u1ea3n. D\u01b0\u1eddng nh\u01b0 m\u1ed1i t\u01b0\u01a1ng quan b\u1ea5t l\u1ee3i gi\u1eefa s\u1ea3n l\u01b0\u1ee3ng s\u1eefa v\u00e0 kh\u1ea3 n\u0103ng sinh s\u1ea3n b\u1ecb \u1ea3nh h\u01b0\u1edfng m\u1ed9t ph\u1ea7n b\u1edfi hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t m\u1ed9t chu\u1ed7i gien \u0111\u01a1n gi\u1ea3n. S\u1ef1 hi\u1ec7n di\u1ec7n v\u00e0 \u1ea3nh h\u01b0\u1edfng c\u1ee7a \u0111\u1ed9t bi\u1ebfn n\u00e0y g\u1ea7n \u0111\u00e2y \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n b\u1edfi c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1eeb tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Aarhus, \u0110\u1ea1i h\u1ecdc Li\u00e8ge, C\u01a1 quan Nghi\u00ean c\u1ee9u Th\u1ef1c ph\u1ea9m n\u00f4ng nghi\u1ec7p Ph\u1ea7n Lan (MTT Agrifood Research Finland), ph\u1ed1i h\u1ee3p v\u1edbi Ban T\u01b0 v\u1ea5n n\u00f4ng nghi\u1ec7p \u0110an M\u1ea1ch v\u00e0 C\u01a1 quan \u0110\u00e1nh gi\u00e1 di truy\u1ec1n gia s\u00fac \u1edf B\u1eafc \u00c2u.<\/p>\n

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C\u00e1c nh\u00e0 khoa h\u1ecdc, nh\u1eefng ng\u01b0\u1eddi n\u00f4ng d\u00e2n v\u00e0 nh\u1eefng c\u00e1n b\u1ed9 t\u01b0 v\u1ea5n nh\u00ecn chung \u0111\u1ec1u cho r\u1eb1ng t\u00ecnh tr\u1ea1ng kh\u1ea3 n\u0103ng sinh s\u1ea3n gi\u1ea3m ch\u1ee7 y\u1ebfu l\u00e0 do c\u00e2n b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng \u00e2m c\u1ee7a nh\u1eefng con b\u00f2 cao s\u1ea3n t\u1ea1i th\u1eddi k\u1ef3 \u0111\u1ec9nh cao c\u1ee7a chu k\u1ef3 ti\u1ebft s\u1eefa c\u1ee7a ch\u00fang nh\u01b0ng hi\u1ec7n nay, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u0169ng \u0111\u00e3 t\u00ecm ra m\u1ed9t l\u1eddi gi\u1ea3i th\u00edch v\u1ec1 di truy\u1ec1n.<\/div>\n
C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n ra m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t b\u1ed1n gien bao quanh gi\u1ed1ng nh\u01b0 c\u00e1c bi\u1ebfn th\u1ec3 g\u00e2y b\u1ec7nh v\u00e0 cho th\u1ea5y hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t gien \u0111\u00f3 l\u00e0 m\u1ed9t \u0111\u1ed9t bi\u1ebfn g\u00e2y ch\u1ebft ph\u00f4i thai, Goutam Sahana gi\u1ea3i th\u00edch. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u00ea con ch\u1ebft trong khi ch\u00fang m\u1edbi ch\u1ec9 \u1edf d\u1ea1ng ph\u00f4i thai v\u00e0 b\u1ecb s\u1ea9y thai ho\u1eb7c \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o l\u1ea1i l\u00e0 th\u1ee5 tinh th\u1ea5t b\u1ea1i. Th\u1ef1c t\u1ebf l\u00e0 c\u00e1c \u0111\u1ed9t bi\u1ebfn n\u00e0y mang t\u00ednh l\u1eb7n, c\u00f3 ngh\u0129a l\u00e0 c\u1ea3 cha v\u00e0 m\u1eb9 \u0111\u1ec1u mang v\u00e0 truy\u1ec1n c\u00e1c gien \u0111\u00f3 cho b\u00ea con c\u1ee7a ch\u00fang, khi\u1ebfn cho b\u00ea con b\u1ecb \u1ea3nh h\u01b0\u1edfng. C\u00e1c con b\u00f2 \u0111\u1ef1c mang \u0111\u1ed9t bi\u1ebfn m\u1ea5t gien n\u00e0y c\u00f3 th\u1ec3 th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong ch\u01b0\u01a1ng tr\u00ecnh ch\u1ecdn l\u1ecdc gien \u0111ang \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u00e0 b\u1eb1ng c\u00e1ch tr\u00e1nh giao ph\u1ed1i gi\u1eefa nh\u1eefng con v\u1eadt mang \u0111\u1ed9t bi\u1ebfn n\u00e0y \u2013 m\u1ed9t b\u01b0\u1edbc nh\u1ea3y l\u01b0\u1ee3ng t\u1eed v\u1ec1 kh\u1ea3 n\u0103ng sinh s\u1ea3n c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u1edf nh\u1eefng d\u00f2ng lai Red B\u1eafc \u00c2u, Goutam Sahana cho bi\u1ebft th\u00eam.<\/div>\n
\u0110\u1ed9t bi\u1ebfn \u0111\u1eb7c bi\u1ec7t n\u00e0y \u0111\u00e3 tr\u1edf th\u00e0nh kh\u00e1 ph\u1ed5 bi\u1ebfn \u1edf gia s\u00fac d\u00f2ng Red B\u1eafc \u00c2u, tuy nhi\u00ean, hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t gien n\u00e0y ho\u00e0n to\u00e0n kh\u00f4ng xu\u1ea5t hi\u1ec7n \u1edf c\u00e1c qu\u1ea7n th\u1ec3 gia s\u00fac Holstein B\u1eafc \u00c2u v\u00e0 Jersey \u0110an M\u1ea1ch. D\u1ef1a v\u00e0o m\u1ee9c \u0111\u1ed9 th\u01b0\u1eddng xuy\u00ean c\u1ee7a \u0111\u1ed9t bi\u1ebfn n\u00e0y trong c\u00e1c qu\u1ea7n th\u1ec3 tr\u00ean, \u01b0\u1edbc t\u00ednh c\u00f3 2,89; 1,32 v\u00e0 0,42% ph\u00f4i thai t\u01b0\u01a1ng \u1ee9ng c\u1ee7a nh\u1eefng con gia s\u00fac Ayshire Ph\u1ea7n Lan, Red Th\u1ee5y \u0110i\u1ec3n v\u00e0 Red \u0110an M\u1ea1ch \u0111ang b\u1ecb ch\u1ebft do \u0111\u1ed9t bi\u1ebfn n\u00e0y.<\/div>\n
L\u00fd do m\u00e0 c\u00e1c tr\u00ecnh t\u1ef1 gien b\u1ecb m\u1ea5t g\u00e2y ch\u1ebft ph\u00f4i thai \u0111\u00e3 kh\u00e1 ph\u1ed5 bi\u1ebfn l\u00e0 n\u00f3 c\u00f3 t\u00e1c \u0111\u1ed9ng m\u1ea1nh, t\u00edch c\u1ef1c \u0111\u1ebfn s\u1ea3n l\u01b0\u1ee3ng s\u1eefa. B\u1eb1ng c\u00e1ch ch\u1ecdn l\u1ecdc nh\u1eefng con b\u00f2 cho s\u1ea3n l\u01b0\u1ee3ng s\u1eefa cao, c\u00e1c nh\u00e0 lai t\u1ea1o \u0111\u00e3 v\u00f4 t\u00ecnh c\u0169ng l\u1ef1a ch\u1ecdn t\u1ef7 l\u1ec7 ch\u1ebft ph\u00f4i thai.<\/div>\n
Nghi\u00ean c\u1ee9u c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc ch\u1ee9ng minh r\u1eb1ng, \u0111\u1ed9t bi\u1ebfn g\u00e2y ch\u1ebft ph\u00f4i thai chi\u1ebfm m\u1ed9t ph\u1ea7n \u0111\u00e1ng k\u1ec3 trong s\u1ef1 suy gi\u1ea3m kh\u1ea3 n\u0103ng sinh s\u1ea3n c\u1ee7a gia s\u00fac trong n\u01b0\u1edbc v\u00e0 g\u1eafn v\u1edbi nh\u1eefng t\u00e1c \u0111\u1ed9ng t\u00edch c\u1ef1c \u0111\u1ebfn s\u1ea3n l\u01b0\u1ee3ng s\u1eefa.<\/div>\n
<\/div>\n<\/div>\n
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Theo Sciencedaily<\/em><\/strong><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n th\u1ea5y \u0111\u1ed9t bi\u1ebfn m\u1ea5t gen c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ed3ng th\u1eddi \u0111\u1ebfn kh\u1ea3 n\u0103ng sinh s\u1ea3n v\u00e0 s\u1ea3n l\u01b0\u1ee3ng s\u1eefa \u1edf b\u00f2 s\u1eefa. Ph\u00e1t hi\u1ec7n n\u00e0y c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3i th\u00edch cho m\u1ed9t t\u00ecnh hu\u1ed1ng nan gi\u1ea3i trong ch\u0103n nu\u00f4i b\u00f2 s\u1eefa: t\u01b0\u01a1ng quan ti\u00eau c\u1ef1c gi\u1eefa kh\u1ea3 n\u0103ng […]\n","protected":false},"author":1,"featured_media":6378,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/1845"}],"collection":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/comments?post=1845"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/1845\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/6378"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=1845"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=1845"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=1845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}