{"id":11579,"date":"2021-06-19T09:52:41","date_gmt":"2021-06-19T09:52:41","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=11579"},"modified":"2021-06-19T09:52:41","modified_gmt":"2021-06-19T09:52:41","slug":"lone-narwhal-beluga-pod-narluga-hybrids","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/zoology\/lone-narwhal-beluga-pod-narluga-hybrids\/","title":{"rendered":"Lone Narwhal Thrives in Beluga Pod, Raising Hopes for Hybrid Offspring"},"content":{"rendered":"

C\u00e1 voi narwhal \u0111\u01a1n \u0111\u1ed9c ph\u00e1t tri\u1ec3n m\u1ea1nh trong \u0111\u00e0n c\u00e1 voi tr\u1eafng, nu\u00f4i hy v\u1ecdng v\u1ec1 con lai<\/h2>\n\n

B\u1ed1i c\u1ea3nh<\/h2>\n\n

K\u1ec3 t\u1eeb n\u0103m 2016, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 quan s\u00e1t \u0111\u01b0\u1ee3c m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00e1ng ch\u00fa \u00fd \u1edf S\u00f4ng St. Lawrence c\u1ee7a Canada: m\u1ed9t con c\u00e1 voi narwhal \u0111\u1ef1c \u0111\u01a1n \u0111\u1ed9c \u0111\u00e3 \u0111\u01b0\u1ee3c m\u1ed9t \u0111\u00e0n c\u00e1 voi tr\u1eafng nh\u1eadn nu\u00f4i. \u0110i\u1ec1u n\u00e0y l\u00e0m d\u1ea5y l\u00ean kh\u1ea3 n\u0103ng t\u1ed3n t\u1ea1i c\u1ee7a m\u1ed9t lo\u00e0i \u0111\u1ed9ng v\u1eadt lai \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “narluga”, con lai c\u1ee7a c\u00e1 voi narwhal v\u00e0 c\u00e1 voi tr\u1eafng.<\/p>\n\n

Narwhal h\u00f2a nh\u1eadp v\u00e0o \u0111\u00e0n c\u00e1 voi tr\u1eafng<\/h2>\n\n

C\u00e1 voi narwhal kho\u1ea3ng 12 tu\u1ed5i \u0111\u00e3 h\u00f2a nh\u1eadp ho\u00e0n to\u00e0n v\u00e0o \u0111\u00e0n c\u00e1 voi tr\u1eafng. N\u00f3 th\u1ec3 hi\u1ec7n nh\u1eefng h\u00e0nh vi t\u01b0\u01a1ng t\u1ef1 nh\u01b0 nh\u1eefng ng\u01b0\u1eddi b\u1ea1n c\u00e1 voi tr\u1eafng c\u1ee7a m\u00ecnh, bao g\u1ed3m c\u00e1c tr\u00f2 ch\u01a1i x\u00e3 h\u1ed9i v\u00e0 t\u01b0\u01a1ng t\u00e1c t\u00ecnh d\u1ee5c. M\u1ed1i li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd n\u00e0y khi\u1ebfn c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u tin r\u1eb1ng c\u00e1 voi narwhal c\u00f3 th\u1ec3 \u0111\u00e3 gia nh\u1eadp \u0111\u00e0n \u0111\u1ec3 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ho\u1eb7c k\u1ebft b\u1ea1n.<\/p>\n\n

Ti\u1ec1m n\u0103ng sinh s\u1ea3n<\/h2>\n\n

C\u00e1 voi narwhal v\u00e0 c\u00e1 voi tr\u1eafng \u0111\u1ec1u l\u00e0 th\u00e0nh vi\u00ean c\u1ee7a h\u1ecd c\u00e1 voi Monodontidae. Tuy nhi\u00ean, ch\u00fang hi\u1ebfm khi t\u01b0\u01a1ng t\u00e1c trong t\u1ef1 nhi\u00ean. S\u1ef1 g\u1ea7n g\u0169i c\u1ee7a c\u00e1 voi narwhal v\u1edbi c\u00e1 voi tr\u1eafng v\u00e0 nh\u1eefng t\u01b0\u01a1ng t\u00e1c x\u00e3 h\u1ed9i \u0111\u00e3 quan s\u00e1t \u0111\u01b0\u1ee3c l\u00e0m d\u1ea5y l\u00ean kh\u1ea3 n\u0103ng sinh s\u1ea3n.<\/p>\n\n

Nh\u1eefng th\u00e1ch th\u1ee9c c\u1ee7a vi\u1ec7c sinh s\u1ea3n ra narluga<\/h2>\n\n

M\u1eb7c d\u00f9 s\u1ef1 lai t\u1ea1o gi\u1eefa c\u00e1c lo\u00e0i kh\u00e1c nhau kh\u00f4ng ph\u1ea3i l\u00e0 hi\u1ebfm, nh\u01b0ng kh\u1ea3 n\u0103ng sinh s\u1ea3n c\u1ee7a con lai c\u00f3 th\u1ec3 kh\u00e1c nhau. M\u1ed9t s\u1ed1 lo\u00e0i lai, ch\u1eb3ng h\u1ea1n nh\u01b0 con la, kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng sinh s\u1ea3n, trong khi nh\u1eefng lo\u00e0i kh\u00e1c, nh\u01b0 liger (con lai gi\u1eefa s\u01b0 t\u1eed v\u00e0 h\u1ed5), c\u00f3 kh\u1ea3 n\u0103ng sinh s\u1ea3n. Ti\u1ec1m n\u0103ng sinh s\u1ea3n c\u1ee7a narluga v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c bi\u1ebft, m\u1eb7c d\u00f9 c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u hy v\u1ecdng r\u1eb1ng m\u1ed1i li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd gi\u1eefa c\u00e1 voi narwhal v\u1edbi c\u00e1 voi tr\u1eafng c\u00f3 th\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c giao ph\u1ed1i th\u00e0nh c\u00f4ng.<\/p>\n\n

C\u00e1 th\u1ec3 lai narluga th\u1ebf h\u1ec7 \u0111\u1ea7u ti\u00ean<\/h2>\n\n

N\u0103m 2019, ph\u00e2n t\u00edch DNA c\u1ee7a m\u1ed9t h\u1ed9p s\u1ecd \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y \u1edf Greenland \u0111\u00e3 x\u00e1c nh\u1eadn s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a m\u1ed9t c\u00e1 th\u1ec3 lai narluga th\u1ebf h\u1ec7 \u0111\u1ea7u ti\u00ean. H\u1ed9p s\u1ecd n\u00e0y th\u1ec3 hi\u1ec7n c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u1ea3 c\u00e1 voi tr\u1eafng v\u00e0 c\u00e1 voi narwhal, bao g\u1ed3m ng\u00e0 nh\u1ecf v\u00e0 r\u0103ng xo\u1eafn. Kh\u00e1m ph\u00e1 n\u00e0y cung c\u1ea5p b\u1eb1ng ch\u1ee9ng cho th\u1ea5y s\u1ef1 lai t\u1ea1o gi\u1eefa c\u00e1 voi narwhal v\u00e0 c\u00e1 voi tr\u1eafng l\u00e0 c\u00f3 th\u1ec3.<\/p>\n\n

\u1ea2nh h\u01b0\u1edfng c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu<\/h2>\n\n

Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111ang l\u00e0m thay \u0111\u1ed5i m\u00f4i tr\u01b0\u1eddng s\u1ed1ng \u1edf B\u1eafc C\u1ef1c, c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn \u0111\u1ebfn s\u1ef1 gia t\u0103ng t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1 voi tr\u1eafng v\u00e0 c\u00e1 voi narwhal. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra nhi\u1ec1u c\u01a1 h\u1ed9i h\u01a1n cho s\u1ef1 lai t\u1ea1o gi\u1eefa hai lo\u00e0i n\u00e0y.<\/p>\n\n

Quan s\u00e1t v\u00e0 nghi\u00ean c\u1ee9u d\u00e0i h\u1ea1n<\/h2>\n\n

C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111ang h\u00e1o h\u1ee9c ch\u1edd \u0111\u1ee3i s\u1ef1 tr\u1edf l\u1ea1i c\u1ee7a \u0111\u00e0n c\u00e1 voi v\u00e0o S\u00f4ng St. Lawrence v\u00e0o cu\u1ed1i th\u00e1ng 3 \u0111\u1ec3 ti\u1ebfp t\u1ee5c c\u00e1c quan s\u00e1t c\u1ee7a h\u1ecd. H\u1ecd \u0111\u1eb7t m\u1ee5c ti\u00eau nghi\u00ean c\u1ee9u s\u1ef1 giao ti\u1ebfp gi\u1eefa c\u00e1 voi narwhal v\u00e0 c\u00e1 voi tr\u1eafng v\u00e0 theo d\u00f5i s\u1ee9c kh\u1ecfe t\u1ed5ng th\u1ec3 c\u1ee7a c\u00e1 voi narwhal.<\/p>\n\n

Tri\u1ec3n v\u1ecdng<\/h2>\n\n

S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a c\u00e1 voi narwhal \u0111\u01a1n \u0111\u1ed9c trong \u0111\u00e0n c\u00e1 voi tr\u1eafng \u0111\u00e3 m\u1edf ra m\u1ed9t c\u01a1 h\u1ed9i duy nh\u1ea5t cho c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u nghi\u00ean c\u1ee9u s\u1ef1 lai t\u1ea1o v\u00e0 nh\u1eefng t\u00e1c \u0111\u1ed9ng ti\u1ec1m \u1ea9n c\u1ee7a n\u00f3 \u0111\u1ed1i v\u1edbi cu\u1ed9c s\u1ed1ng bi\u1ec3n \u1edf B\u1eafc C\u1ef1c. M\u1eb7c d\u00f9 kh\u1ea3 n\u0103ng sinh s\u1ea3n c\u1ee7a c\u00e1 voi narwhal v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c bi\u1ebft, nh\u01b0ng m\u1ed1i li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd gi\u1eefa nh\u1eefng con v\u1eadt v\u00e0 c\u00e1c h\u00e0nh vi x\u00e3 h\u1ed9i \u0111\u00e3 quan s\u00e1t \u0111\u01b0\u1ee3c cho th\u1ea5y r\u1eb1ng nh\u1eefng ch\u00fa c\u00e1 voi narluga con c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n trong t\u01b0\u01a1ng lai.<\/p>","protected":false},"excerpt":{"rendered":"

C\u00e1 voi narwhal \u0111\u01a1n \u0111\u1ed9c ph\u00e1t tri\u1ec3n m\u1ea1nh trong \u0111\u00e0n c\u00e1 voi tr\u1eafng, nu\u00f4i hy v\u1ecdng v\u1ec1 con lai B\u1ed1i c\u1ea3nh K\u1ec3 t\u1eeb n\u0103m 2016, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[280],"tags":[1354,15656,15655,12325,265],"class_list":["post-11579","post","type-post","status-publish","format-standard","hentry","category-zoology","tag-arctic","tag-beluga","tag-narwhal","tag-hybrid","tag-marine-life"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11579","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=11579"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11579\/revisions"}],"predecessor-version":[{"id":11580,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/11579\/revisions\/11580"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=11579"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=11579"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=11579"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}