C\u00e1 voi s\u00e1t th\u1ee7 (orca) l\u00e0 lo\u00e0i \u0111\u1ed9ng v\u1eadt h\u1ea5p d\u1eabn v\u1edbi t\u1eadp t\u00ednh x\u00e3 h\u1ed9i \u0111\u1ed9c \u0111\u00e1o: m\u00e3n kinh. Nh\u1eefng b\u00e0 m\u1eb9 kh\u00f4ng c\u00f2n kh\u1ea3 n\u0103ng sinh s\u1ea3n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o v\u1ec7 con trai c\u1ee7a ch\u00fang kh\u1ecfi th\u01b0\u01a1ng t\u00edch v\u00e0 xung \u0111\u1ed9t.<\/p>\n\n
Tu\u1ed5i m\u00e3n kinh l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng ch\u1ec9 x\u1ea3y ra \u1edf m\u1ed9t s\u1ed1 \u00edt lo\u00e0i \u0111\u1ed9ng v\u1eadt, bao g\u1ed3m c\u1ea3 c\u00e1 voi s\u00e1t th\u1ee7 v\u00e0 con ng\u01b0\u1eddi. \u0110\u00e2y l\u00e0 giai \u0111o\u1ea1n \u0111\u00e1nh d\u1ea5u s\u1ef1 k\u1ebft th\u00fac c\u1ee7a kh\u1ea3 n\u0103ng sinh s\u1ea3n \u1edf con c\u00e1i v\u00e0 ch\u1ea5m d\u1ee9t chu k\u1ef3 kinh nguy\u1ec7t. M\u1eb7c d\u00f9 nguy\u00ean nh\u00e2n ch\u00ednh x\u00e1c g\u00e2y ra m\u00e3n kinh \u1edf c\u00e1 voi s\u00e1t th\u1ee7 v\u1eabn \u0111ang \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u, c\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng \u0111\u00e2y c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ti\u1ebfn h\u00f3a \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u1ea5u tr\u00fac x\u00e3 h\u1ed9i v\u00e0 s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a lo\u00e0i.<\/p>\n\n
M\u1ed9t nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Current Biology \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng nh\u1eefng con c\u00e1 voi s\u00e1t th\u1ee7 \u0111\u1ef1c c\u00f3 m\u1eb9 \u0111\u00e3 m\u00e3n kinh th\u01b0\u1eddng c\u00f3 \u00edt v\u1ebft s\u1eb9o do r\u0103ng tr\u00ean v\u00e2y l\u01b0ng h\u01a1n, cho th\u1ea5y nh\u1eefng b\u00e0 m\u1eb9 n\u00e0y \u0111\u00f3ng vai tr\u00f2 b\u1ea3o v\u1ec7 con kh\u1ecfi nh\u1eefng v\u1ebft th\u01b0\u01a1ng trong c\u00e1c cu\u1ed9c chi\u1ebfn.<\/p>\n\n
C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ki\u1ec3m tra g\u1ea7n 7.000 b\u1ee9c \u1ea3nh v\u1ec1 v\u00e2y c\u1ee7a c\u00e1 voi s\u00e1t th\u1ee7 trong g\u1ea7n 50 n\u0103m. H\u1ecd ph\u00e1t hi\u1ec7n ra r\u1eb1ng nh\u1eefng con c\u00e1 voi s\u00e1t th\u1ee7 \u0111\u1ef1c c\u00f3 m\u1eb9 l\u1edbn tu\u1ed5i h\u01a1n \u00edt b\u1ecb th\u01b0\u01a1ng trong chi\u1ebfn \u0111\u1ea5u h\u01a1n so v\u1edbi nh\u1eefng con \u0111\u1ef1c c\u00f3 m\u1eb9 tr\u1ebb h\u01a1n ho\u1eb7c kh\u00f4ng c\u00f3 m\u1eb9.<\/p>\n\n
Nh\u1eefng b\u00e0 m\u1eb9 kh\u00f4ng c\u00f2n kh\u1ea3 n\u0103ng sinh s\u1ea3n, th\u01b0\u1eddng l\u00e0 nh\u1eefng con \u0111\u1ee9ng \u0111\u1ea7u \u0111\u00e0n c\u1ee7a ch\u00fang, s\u1edf h\u1eefu ki\u1ebfn th\u1ee9c v\u00e0 kinh nghi\u1ec7m qu\u00fd gi\u00e1 m\u00e0 ch\u00fang truy\u1ec1n l\u1ea1i cho con c\u00e1i c\u1ee7a m\u00ecnh. H\u1ecd d\u1eabn d\u1eaft gia \u0111\u00ecnh \u0111\u1ebfn c\u00e1c ngu\u1ed3n th\u1ee9c \u0103n, gi\u1ea3i quy\u1ebft xung \u0111\u1ed9t v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ef1 s\u1ed1ng c\u00f2n c\u1ee7a c\u00e1c th\u1ebf h\u1ec7 sau.<\/p>\n\n
C\u00e1 voi s\u00e1t th\u1ee7 c\u00e1i c\u00f3 th\u1ec3 s\u1ed1ng t\u1edbi 90 n\u0103m, ngh\u0129a l\u00e0 ch\u00fang c\u00f3 th\u1ec3 d\u00e0nh h\u00e0ng th\u1eadp k\u1ef7 \u0111\u1ec3 l\u00e0m m\u1eb9 sau khi ng\u1eebng sinh s\u1ea3n. H\u1ecd c\u00f3 nhi\u1ec1u th\u1eddi gian v\u00e0 s\u1edf th\u00edch h\u01a1n \u0111\u1ec3 \u0111\u1ea7u t\u01b0 v\u00e0o s\u1ef1 b\u1ea3o v\u1ec7 v\u00e0 h\u1ea1nh ph\u00fac c\u1ee7a nh\u1eefng \u0111\u1ee9a con trai c\u1ee7a m\u00ecnh.<\/p>\n\n
Ngo\u00e0i vi\u1ec7c b\u1ea3o v\u1ec7 con trai kh\u1ecfi th\u01b0\u01a1ng t\u00edch, nh\u1eefng b\u00e0 m\u1eb9 kh\u00f4ng c\u00f2n kh\u1ea3 n\u0103ng sinh s\u1ea3n c\u00f2n th\u1ec3 hi\u1ec7n s\u1ef1 \u0111\u1ed1i x\u1eed \u01b0u ti\u00ean \u0111\u1ed1i v\u1edbi ch\u00fang. H\u1ecd cung c\u1ea5p cho con nh\u1eefng ph\u1ea7n th\u1ee9c \u0103n l\u1edbn h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t n\u1eeda con c\u00e1 m\u00e0 ch\u00fang \u0111\u00e3 \u0111\u00e1nh b\u1eaft \u0111\u01b0\u1ee3c. S\u1ef1 \u0111\u1ed1i x\u1eed \u01b0u \u00e1i n\u00e0y c\u00f3 th\u1ec3 \u0111\u00e3 ti\u1ebfn h\u00f3a v\u00ec c\u00e1 voi s\u00e1t th\u1ee7 \u0111\u1ef1c c\u00f3 kh\u1ea3 n\u0103ng sinh s\u1ea3n cao h\u01a1n so v\u1edbi c\u00e1 voi s\u00e1t th\u1ee7 c\u00e1i. C\u00e1 voi \u0111\u1ef1c c\u00f3 th\u1ec3 giao ph\u1ed1i v\u1edbi nhi\u1ec1u b\u1ea1n t\u00ecnh b\u00ean ngo\u00e0i \u0111\u00e0n c\u1ee7a m\u00ecnh, \u0111i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m g\u00e1nh n\u1eb7ng nu\u00f4i d\u01b0\u1ee1ng c\u00e1c th\u1ebf h\u1ec7 sau cho nh\u1eefng b\u00e0 m\u1eb9 c\u1ee7a ch\u00fang.<\/p>\n\n
Nghi\u00ean c\u1ee9u v\u1ec1 tu\u1ed5i m\u00e3n kinh \u1edf c\u00e1 voi s\u00e1t th\u1ee7 cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 l\u00fd do t\u1ea1i sao m\u1ed9t s\u1ed1 lo\u00e0i ti\u1ebfp t\u1ee5c s\u1ed1ng sau tu\u1ed5i sinh s\u1ea3n c\u1ee7a ch\u00fang. N\u00f3 th\u00e1ch th\u1ee9c gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng s\u1ef1 s\u1ed1ng c\u00f2n ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o kh\u1ea3 n\u0103ng sinh s\u1ea3n. Thay v\u00e0o \u0111\u00f3, tu\u1ed5i m\u00e3n kinh \u1edf c\u00e1 voi s\u00e1t th\u1ee7 \u0111\u00e3 ti\u1ebfn h\u00f3a nh\u01b0 m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c x\u00e3 h\u1ed9i gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng s\u1ed1ng s\u00f3t cho con c\u00e1i c\u1ee7a ch\u00fang v\u00e0 s\u1ef1 kh\u1ecfe m\u1ea1nh chung c\u1ee7a \u0111\u00e0n.<\/p>\n\n
S\u1ef1 gi\u1ed1ng nhau gi\u1eefa x\u00e3 h\u1ed9i c\u00e1 voi s\u00e1t th\u1ee7 v\u00e0 x\u00e3 h\u1ed9i lo\u00e0i ng\u01b0\u1eddi r\u1ea5t th\u00fa v\u1ecb. Nh\u1eefng con c\u00e1i kh\u00f4ng c\u00f2n kh\u1ea3 n\u0103ng sinh s\u1ea3n, hay c\u00f2n g\u1ecdi l\u00e0 b\u00e0, \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong c\u1ea3 hai lo\u00e0i. H\u1ecd cung c\u1ea5p s\u1ef1 ch\u0103m s\u00f3c, h\u1ed7 tr\u1ee3 v\u00e0 ki\u1ebfn th\u1ee9c g\u00f3p ph\u1ea7n v\u00e0o s\u1ee9c kh\u1ecfe v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a gia \u0111\u00ecnh h\u1ecd.<\/p>\n\n
Nghi\u00ean c\u1ee9u v\u1ec1 tu\u1ed5i m\u00e3n kinh \u1edf c\u00e1 voi s\u00e1t th\u1ee7 c\u00f3 th\u1ec3 gi\u00fap ch\u00fang ta hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 nh\u1eefng t\u00e1c \u0111\u1ed9ng x\u00e3 h\u1ed9i v\u00e0 ti\u1ebfn h\u00f3a c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u1edf con ng\u01b0\u1eddi. \u0110i\u1ec1u n\u00e0y l\u00e0m n\u1ed5i b\u1eadt t\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00e1c m\u1ed1i quan h\u1ec7 x\u00e3 h\u1ed9i v\u00e0 gi\u00e1 tr\u1ecb c\u1ee7a kinh nghi\u1ec7m trong vi\u1ec7c duy tr\u00ec nh\u1eefng c\u1ed9ng \u0111\u1ed3ng kh\u1ecfe m\u1ea1nh v\u00e0 th\u1ecbnh v\u01b0\u1ee3ng.<\/p>","protected":false},"excerpt":{"rendered":"
C\u00e1 voi s\u00e1t th\u1ee7: Tu\u1ed5i m\u00e3n kinh v\u00e0 s\u1ee9 m\u1ec7nh b\u1ea3o v\u1ec7 con trai C\u00e1 voi s\u00e1t th\u1ee7 (orca) l\u00e0 lo\u00e0i \u0111\u1ed9ng v\u1eadt h\u1ea5p d\u1eabn v\u1edbi t\u1eadp t\u00ednh x\u00e3 h\u1ed9i…<\/p>\n","protected":false},"author":1,"featured_media":23682,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[312],"tags":[16089,2280,309,16088,99],"class_list":["post-11906","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-animal-behavior","tag-animal-protection","tag-orcas","tag-animal-behavior","tag-menopause","tag-lifescienceart"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11906","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=11906"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11906\/revisions"}],"predecessor-version":[{"id":11907,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11906\/revisions\/11907"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media\/23682"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=11906"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=11906"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=11906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}