{"id":1679,"date":"2014-05-24T16:47:50","date_gmt":"2014-05-24T21:47:50","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=1679"},"modified":"2014-05-24T16:47:50","modified_gmt":"2014-05-24T21:47:50","slug":"calves-are-pessimistic-after-separation-from-their-mother","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/calves-are-pessimistic-after-separation-from-their-mother\/","title":{"rendered":"Calves are \u2018pessimistic\u2019 after separation from their mother<img src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/01\/canada_flag_icon_small.gif\">"},"content":{"rendered":"<div id=\"attachment_1670\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/holstein-calf.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1670\" class=\"size-full wp-image-1670\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/holstein-calf.jpg\" alt=\"Des chercheurs ont constat\u00e9 que les veaux de race laiti\u00e8re ont un comportement pessimiste apr\u00e8s avoir \u00e9t\u00e9 s\u00e9par\u00e9s de leur m\u00e8re (Cr\u00e9dit: Jean, flickr)\" width=\"640\" height=\"480\" srcset=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/holstein-calf.jpg 640w, http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/holstein-calf-300x225.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><p id=\"caption-attachment-1670\" class=\"wp-caption-text\">Des chercheurs ont constat\u00e9 que les veaux de race laiti\u00e8re ont un comportement pessimiste apr\u00e8s avoir \u00e9t\u00e9 s\u00e9par\u00e9s de leur m\u00e8re (Cr\u00e9dit: Jean, <a href=\"https:\/\/www.flickr.com\/photos\/7326810@N08\/1234623175\/in\/photolist-2T6Lst-jyeWht-8pXWj5-bfCnEi-aFN9fx-2dq1pj-6KEmgq-m7BpBi-4AmmRa-6B9omY-iusky6-eTRcTJ-a88YLf-mfLX6p-gRxbAM-jyfSb1-m7Bz4z-6GvTeA-4U6kKh-2bwKpp-m7CsTK-6KAdva-6KAdcM-bexdXi-nzxXPH-7Sb2T2-anWs9S-aiPd5H-hkQ4TD-e53CSf-8WqdQC-cUpwxU-5vpQjM-4SHkTC-6CQZVJ-c4dLMf-69Svzx-2PpJeS-fQyhrk-f4aonT-4qDNAP-fTQzwD-fTP9nR-fTQexJ-fTPcmC-4rYqB-dPkAye-9kxBX-5AAsL1-9oSxGc\">flickr<\/a>)<\/p><\/div>\n<p><span style=\"color: #000000;\">Dairy calves exhibited \u2018pessimistic\u2019 behaviour after they were separated from their mother, a new study shows. <\/span><\/p>\n<p><span style=\"color: #000000;\">Thirteen Holstein calves were raised with their dams and trained to discriminate between white (reward) and red (punishment) colours displayed on a computer monitor. They were then tested using an ambiguous colour (between white and red): 72% of calves chose the reward option before separation, but only 62% of them after separation from the dam. This effect was similar to that observed in calves that had undergone hot-iron dehorning.<\/span><\/p>\n<p><span style=\"text-decoration: underline;\"><a href=\"http:\/\/www.plosone.org\/article\/info%3Adoi%2F10.1371%2Fjournal.pone.0098429\" target=\"_blank\"><span>Original research paper<\/span><\/a><\/span>\u00a0published in the the journal\u00a0<em>PLOS ONE\u00a0<\/em>on\u00a0<strong>May 21, 2014<\/strong>.<\/p>\n<p><span style=\"text-decoration: underline;\"><span><strong>Names and affiliations of selected\u00a0authors<\/strong><\/span><\/span><\/p>\n<h4><a style=\"color: #1155cc;\" href=\"http:\/\/www.landfood.ubc.ca\/directory\/faculty\/professors-and-instructors\/dan-weary\" target=\"_blank\">Daniel M. Weary<\/a><span style=\"color: #000000;\">, University of British Columbia, British Columbia<\/span><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Dairy calves exhibited \u2018pessimistic\u2019 behaviour after they were separated from their mother, a new study shows. Thirteen Holstein calves were raised with their dams and trained to discriminate between white (reward) and red (punishment) colours displayed on a computer monitor. They were then tested using an ambiguous colour (between white and red): 72% of calves [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1670,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[25],"tags":[39,174,113,125],"class_list":["post-1679","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper-of-interest","tag-animal-behaviour","tag-animals","tag-biology","tag-british-columbia"],"jetpack_featured_media_url":"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/holstein-calf.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-r5","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1679","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/comments?post=1679"}],"version-history":[{"count":1,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1679\/revisions"}],"predecessor-version":[{"id":1683,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1679\/revisions\/1683"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media\/1670"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=1679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=1679"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=1679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}