{"id":17981,"date":"2024-07-30T17:43:44","date_gmt":"2024-07-30T17:43:44","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=17981"},"modified":"2024-07-30T17:43:44","modified_gmt":"2024-07-30T17:43:44","slug":"giraffe-spot-coloration-social-status-physical-condition","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/zoology\/giraffe-spot-coloration-social-status-physical-condition\/","title":{"rendered":"M\u00e0u s\u1eafc \u0111\u1ed1m c\u1ee7a h\u01b0\u01a1u cao c\u1ed5: Chi\u1ebfc g\u01b0\u01a1ng ph\u1ea3n chi\u1ebfu \u0111\u1ecba v\u1ecb x\u00e3 h\u1ed9i, t\u00ecnh tr\u1ea1ng th\u1ec3 ch\u1ea5t v\u00e0 chi\u1ebfn l\u01b0\u1ee3c giao ph\u1ed1i"},"content":{"rendered":"

M\u00e0u s\u1eafc \u0111\u1ed1m c\u1ee7a h\u01b0\u01a1u cao c\u1ed5: Ph\u1ea3n \u00e1nh \u0111\u1ecba v\u1ecb x\u00e3 h\u1ed9i v\u00e0 t\u00ecnh tr\u1ea1ng th\u1ec3 ch\u1ea5t<\/h2>\n\n

M\u00e0u \u0111\u1ed1m v\u00e0 s\u1ef1 th\u1ed1ng tr\u1ecb x\u00e3 h\u1ed9i<\/h3>\n\n

Theo truy\u1ec1n th\u1ed1ng, c\u00e1c nh\u00e0 khoa h\u1ecdc tin r\u1eb1ng \u0111\u1ed9 s\u1eabm c\u1ee7a c\u00e1c \u0111\u1ed1m tr\u00ean h\u01b0\u01a1u cao c\u1ed5 ch\u1ee7 y\u1ebfu l\u00e0 m\u1ed9t d\u1ea5u hi\u1ec7u v\u1ec1 tu\u1ed5i t\u00e1c. Tuy nhi\u00ean, m\u1ed9t nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y do Madelaine Castles c\u1ee7a \u0110\u1ea1i h\u1ecdc Queensland d\u1eabn \u0111\u1ea7u \u0111\u00e3 th\u00e1ch th\u1ee9c quan \u0111i\u1ec3m n\u00e0y.<\/p>\n\n

Nghi\u00ean c\u1ee9u c\u1ee7a Castles, \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Animal Behavior, \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng nh\u1eefng con h\u01b0\u01a1u cao c\u1ed5 \u0111\u1ef1c c\u00f3 nh\u1eefng \u0111\u1ed1m s\u1eabm m\u00e0u h\u01a1n c\u00f3 xu h\u01b0\u1edbng th\u1ed1ng tr\u1ecb v\u00e0 s\u1ed1ng \u0111\u01a1n \u0111\u1ed9c h\u01a1n nh\u1eefng con c\u00f3 m\u00e0u nh\u1ea1t h\u01a1n. Ph\u00e1t hi\u1ec7n n\u00e0y cho th\u1ea5y r\u1eb1ng m\u00e0u \u0111\u1ed1m c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong \u0111\u1ed9ng l\u1ef1c x\u00e3 h\u1ed9i c\u1ee7a h\u01b0\u01a1u cao c\u1ed5.<\/p>\n\n

M\u00e0u \u0111\u1ed1m nh\u01b0 m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m sinh d\u1ee5c th\u1ee9 c\u1ea5p<\/h3>\n\n

Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh trong 12 n\u0103m v\u00e0 bao g\u1ed3m vi\u1ec7c quan s\u00e1t 66 con h\u01b0\u01a1u cao c\u1ed5 \u0111\u1ef1c trong C\u00f4ng vi\u00ean qu\u1ed1c gia Etosha c\u1ee7a Namibia. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 thu th\u1eadp 1.793 b\u1ee9c \u1ea3nh v\u00e0 t\u00ednh to\u00e1n m\u1ee9c \u0111\u1ed9 h\u00f2a \u0111\u1ed3ng v\u00e0 kh\u1ea3 n\u0103ng giao ti\u1ebfp c\u1ee7a t\u1eebng con h\u01b0\u01a1u cao c\u1ed5, \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng l\u01b0\u1ee3ng th\u1eddi gian \u1edf m\u1ed9t m\u00ecnh ho\u1eb7c trong m\u1ed9t nh\u00f3m.<\/p>\n\n

K\u1ebft qu\u1ea3 cho th\u1ea5y trong khi h\u1ea7u h\u1ebft c\u00e1c \u0111\u1ed1m c\u1ee7a h\u01b0\u01a1u cao c\u1ed5 s\u1eabm m\u00e0u h\u01a1n theo th\u1eddi gian, th\u00ec c\u00f3 nh\u1eefng ngo\u1ea1i l\u1ec7 \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi xu h\u01b0\u1edbng n\u00e0y. M\u1ed9t s\u1ed1 con h\u01b0\u01a1u cao c\u1ed5 gi\u1eef nguy\u00ean m\u00e0u s\u00e1ng c\u1ee7a ch\u00fang trong su\u1ed1t cu\u1ed9c \u0111\u1eddi, trong khi nh\u1eefng con kh\u00e1c th\u1ef1c s\u1ef1 nh\u1ea1t m\u00e0u h\u01a1n khi ch\u00fang gi\u00e0 \u0111i. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y m\u00e0u \u0111\u1ed1m kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m d\u1ef1a tr\u00ean \u0111\u1ed9 tu\u1ed5i m\u00e0 c\u00f2n c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 di truy\u1ec1n ho\u1eb7c t\u00ecnh tr\u1ea1ng th\u1ec3 ch\u1ea5t.<\/p>\n\n

M\u00e0u \u0111\u1ed1m v\u00e0 chi\u1ebfn l\u01b0\u1ee3c giao ph\u1ed1i<\/h3>\n\n

Nghi\u00ean c\u1ee9u c\u0169ng ti\u1ebft l\u1ed9 r\u1eb1ng nh\u1eefng con h\u01b0\u01a1u cao c\u1ed5 \u0111\u1ef1c c\u00f3 m\u00e0u s\u1eabm c\u00f3 m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c giao ph\u1ed1i ri\u00eang bi\u1ec7t. Ch\u00fang c\u00f3 xu h\u01b0\u1edbng lang thang m\u1ed9t m\u00ecnh, di chuy\u1ec3n gi\u1eefa c\u00e1c nh\u00f3m \u0111\u1ec3 t\u00ecm ki\u1ebfm b\u1ea1n t\u00ecnh ti\u1ec1m n\u0103ng. Chi\u1ebfn l\u01b0\u1ee3c n\u00e0y, m\u1eb7c d\u00f9 th\u01b0\u1eddng th\u00e0nh c\u00f4ng, nh\u01b0ng c\u0169ng r\u1ea5t r\u1ee7i ro.<\/p>\n\n

Ng\u01b0\u1ee3c l\u1ea1i, nh\u1eefng con h\u01b0\u01a1u cao c\u1ed5 \u0111\u1ef1c c\u00f3 m\u00e0u nh\u1ea1t h\u01a1n c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng \u0111i theo \u0111\u00e0n v\u1edbi nh\u1eefng con c\u00e1i. \u0110\u00e2y c\u00f3 th\u1ec3 l\u00e0 c\u00e1ch \u0111\u1ec3 ch\u00fang t\u0103ng c\u01a1 h\u1ed9i giao ph\u1ed1i, v\u00ec nh\u1eefng con c\u00e1i c\u00f3 th\u1ec3 s\u1eb5n s\u00e0ng giao ph\u1ed1i v\u1edbi nh\u1eefng con \u0111\u1ef1c quen thu\u1ed9c h\u01a1n.<\/p>\n\n

T\u00ecnh tr\u1ea1ng th\u1ec3 ch\u1ea5t v\u00e0 m\u00e0u s\u1eafc \u0111\u1ed1m<\/h3>\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u suy \u0111o\u00e1n r\u1eb1ng m\u00e0u \u0111\u1ed1m c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn t\u00ecnh tr\u1ea1ng th\u1ec3 ch\u1ea5t c\u1ee7a m\u1ed9t con h\u01b0\u01a1u cao c\u1ed5 \u0111\u1ef1c. Nh\u1eefng \u0111\u1ed1m s\u1eabm m\u00e0u h\u01a1n c\u00f3 th\u1ec3 ch\u1ec9 ra m\u1ee9c testosterone cao h\u01a1n, dinh d\u01b0\u1ee1ng t\u1ed1t h\u01a1n ho\u1eb7c s\u1ee9c kh\u1ecfe t\u1ed5ng th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/p>\n\n

Gi\u1ea3 thuy\u1ebft n\u00e0y \u0111\u01b0\u1ee3c c\u1ee7ng c\u1ed1 b\u1edfi th\u1ef1c t\u1ebf l\u00e0 s\u01b0 t\u1eed, lo\u00e0i c\u00f3 c\u1ea5u tr\u00fac x\u00e3 h\u1ed9i t\u01b0\u01a1ng t\u1ef1 nh\u01b0 h\u01b0\u01a1u cao c\u1ed5, c\u0169ng bi\u1ec3u hi\u1ec7n m\u1ed1i quan h\u1ec7 gi\u1eefa m\u00e0u l\u00f4ng v\u00e0 th\u1ec3 l\u1ef1c. Nh\u1eefng con s\u01b0 t\u1eed c\u00f3 b\u1eddm s\u1eabm m\u00e0u h\u01a1n c\u00f3 xu h\u01b0\u1edbng th\u1ed1ng tr\u1ecb h\u01a1n v\u00e0 c\u00f3 t\u1ef7 l\u1ec7 sinh s\u1ea3n cao h\u01a1n.<\/p>\n\n

H\u01b0\u1edbng nghi\u00ean c\u1ee9u trong t\u01b0\u01a1ng lai<\/h3>\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111ang l\u00ean k\u1ebf ho\u1ea1ch cho c\u00e1c nghi\u00ean c\u1ee9u trong t\u01b0\u01a1ng lai \u0111\u1ec3 \u0111i\u1ec1u tra xem m\u00e0u \u0111\u1ed1m b\u00e1o hi\u1ec7u t\u00ecnh tr\u1ea1ng th\u1ec3 ch\u1ea5t c\u1ee7a m\u1ed9t con h\u01b0\u01a1u cao c\u1ed5 \u0111\u1ef1c nh\u01b0 th\u1ebf n\u00e0o. H\u1ecd c\u0169ng s\u1ebd kh\u00e1m ph\u00e1 \u1ea3nh h\u01b0\u1edfng ti\u1ec1m t\u00e0ng c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u0103ng th\u1eb3ng do nhi\u1ec7t v\u00e0 ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng, \u0111\u1ebfn m\u00e0u s\u1eafc c\u1ee7a \u0111\u1ed1m.<\/p>\n\n

K\u1ebft lu\u1eadn<\/h3>\n\n

Nghi\u00ean c\u1ee9u c\u1ee7a Castles v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p c\u1ee7a b\u00e0 \u0111\u00e3 l\u00e0m s\u00e1ng t\u1ecf th\u00eam v\u1ec1 t\u1ea7m quan tr\u1ecdng c\u1ee7a m\u00e0u \u0111\u1ed1m trong h\u00e0nh vi x\u00e3 h\u1ed9i c\u1ee7a h\u01b0\u01a1u cao c\u1ed5. M\u00e0u \u0111\u1ed1m kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 ch\u1ec9 ra tu\u1ed5i t\u00e1c m\u00e0 c\u00f2n cung c\u1ea5p th\u00f4ng tin c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 \u0111\u1ecba v\u1ecb x\u00e3 h\u1ed9i, t\u00ecnh tr\u1ea1ng th\u1ec3 ch\u1ea5t v\u00e0 chi\u1ebfn l\u01b0\u1ee3c giao ph\u1ed1i c\u1ee7a h\u01b0\u01a1u cao c\u1ed5. Nghi\u00ean c\u1ee9u n\u00e0y m\u1edf ra nh\u1eefng h\u01b0\u1edbng nghi\u00ean c\u1ee9u m\u1edbi \u0111\u1ec3 hi\u1ec3u v\u1ec1 \u0111\u1ed9ng l\u1ef1c x\u00e3 h\u1ed9i ph\u1ee9c t\u1ea1p c\u1ee7a nh\u1eefng lo\u00e0i \u0111\u1ed9ng v\u1eadt h\u1ea5p d\u1eabn n\u00e0y.<\/p>","protected":false},"excerpt":{"rendered":"

M\u00e0u s\u1eafc \u0111\u1ed1m c\u1ee7a h\u01b0\u01a1u cao c\u1ed5: Ph\u1ea3n \u00e1nh \u0111\u1ecba v\u1ecb x\u00e3 h\u1ed9i v\u00e0 t\u00ecnh tr\u1ea1ng th\u1ec3 ch\u1ea5t M\u00e0u \u0111\u1ed1m v\u00e0 s\u1ef1 th\u1ed1ng tr\u1ecb x\u00e3 h\u1ed9i Theo truy\u1ec1n th\u1ed1ng, c\u00e1c…<\/p>\n","protected":false},"author":6,"featured_media":23976,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[280],"tags":[309,5292,23556,23557,16560],"class_list":["post-17981","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zoology","tag-animal-behavior","tag-social-behavior","tag-giraffe","tag-spot-coloration","tag-wildlife-biology"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/17981","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=17981"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/17981\/revisions"}],"predecessor-version":[{"id":17982,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/17981\/revisions\/17982"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media\/23976"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=17981"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=17981"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=17981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}