{"id":40796,"date":"2016-05-04T15:58:13","date_gmt":"2016-05-04T20:58:13","guid":{"rendered":"https:\/\/wildlifepreservation.ca\/?p=40796"},"modified":"2026-02-23T14:13:12","modified_gmt":"2026-02-23T19:13:12","slug":"captive-breeding-no-silver-bullet-for-endangered-canadian-bats-study-finds","status":"publish","type":"post","link":"https:\/\/wildlifepreservation.ca\/fr\/blog\/captive-breeding-no-silver-bullet-for-endangered-canadian-bats-study-finds\/","title":{"rendered":"Canadian bat study findings"},"content":{"rendered":"<div id='av_section_1'  class='avia-section av-27bhxx8-dad998cb310dff7fca75c2dad49c880a main_color avia-section-default avia-no-border-styling  avia-builder-el-0  el_before_av_section  avia-builder-el-first  blog-inner avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-40796'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mlzjz2xd-9d7908636442f4c1e982a1b8982c2bdc\">\n.avia-image-container.av-mlzjz2xd-9d7908636442f4c1e982a1b8982c2bdc img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-mlzjz2xd-9d7908636442f4c1e982a1b8982c2bdc .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-mlzjz2xd-9d7908636442f4c1e982a1b8982c2bdc av-styling- avia-align-center  avia-builder-el-1  el_before_av_heading  avia-builder-el-first  inner-blog-banner-full-width-img'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img fetchpriority=\"high\" class='wp-image-52055 avia-img-lazy-loading-not-52055 avia_image' src='https:\/\/wildlifepreservation.ca\/wp-content\/uploads\/2016\/05\/WhiteNoseBats.png' alt='' title='WhiteNoseBats'  height=\"738\" width=\"1019\"  itemprop=\"thumbnailUrl\"  \/><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mlzjyssp-dc3073dcec51da6b76a0da2078558c81\">\n#top .av-special-heading.av-mlzjyssp-dc3073dcec51da6b76a0da2078558c81{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-mlzjyssp-dc3073dcec51da6b76a0da2078558c81 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mlzjyssp-dc3073dcec51da6b76a0da2078558c81 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-mlzjyssp-dc3073dcec51da6b76a0da2078558c81 av-special-heading-h1 blockquote modern-quote modern-centered  avia-builder-el-2  el_after_av_image  el_before_av_post_metadata'><h1 class='av-special-heading-tag'  itemprop=\"headline\"  >Captive breeding no silver bullet for endangered Canadian bats, study finds<\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mlzjzbkk-e3da314a898a04357ab87d6e6ec6213d\">\n#top .av-post-metadata-container.av-mlzjzbkk-e3da314a898a04357ab87d6e6ec6213d{\nfont-size:16px;\n}\n#top .av-post-metadata-container.av-mlzjzbkk-e3da314a898a04357ab87d6e6ec6213d .av-post-metadata-container-inner{\nfont-size:16px;\n}\n<\/style>\n<div  class='av-post-metadata-container av-mlzjzbkk-e3da314a898a04357ab87d6e6ec6213d av-metadata-container-align-left  avia-builder-el-3  el_after_av_heading  avia-builder-el-last  av-metadata-container-1'><div class='av-post-metadata-container-inner'><span class=\"av-post-metadata-content av-post-metadata-meta-content\"><span class=\"av-post-metadata-content av-post-metadata-published\"><span class=\"av-metadata-before av-metadata-before-published\">Publi\u00e9 le<\/span><span class=\"av-post-metadata-published-date\" >mai 4, 2016<\/span><\/span><span class=\"av-post-metadata-content av-post-metadata-separator\"><\/span><span class=\"av-post-metadata-content av-post-metadata-author\"  itemprop=\"author\" ><span class=\"av-metadata-before av-metadata-before-author\">par<\/span><span class=\"av-post-metadata-author-name\" >Conservation de la faune au Canada<\/span><\/span><span class=\"av-post-metadata-content av-post-metadata-separator\"><\/span><span class=\"av-post-metadata-content av-post-metadata-category\"><span class=\"av-metadata-before av-metadata-before-categories\">|<\/span><span class=\"av-post-metadata-category-link\" ><a href=\"https:\/\/wildlifepreservation.ca\/fr\/blog\/category\/conservation-success\/\" >Conservation Success<\/a><\/span>, <span class=\"av-post-metadata-category-link\" ><a href=\"https:\/\/wildlifepreservation.ca\/fr\/blog\/category\/news-and-events\/\" >Actualit\u00e9s et \u00e9v\u00e9nements<\/a><\/span><\/span><\/span><\/div><\/div>\n\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><div id='av_section_2'  class='avia-section av-1s83m3g-7c79e4cd5faf31fb522d0d8a3404531a main_color avia-section-default avia-no-border-styling  avia-builder-el-4  el_after_av_section  el_before_av_section  species-inner-content-intro-wrapper avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-40796'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-4tp0n0-6e3fe20976aa7dfa0e4ad1a19ebfd3e3 av_one_full  avia-builder-el-5  el_before_av_one_full  avia-builder-el-first  first flex_column_div'     ><section  class='av_textblock_section av-li0r4cyp-7822ec794f7f8024672173895cd80222'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Media Release\u00a0 May 4, 2016, Guelph, ON:\u00a0\u00a0<em><br \/>\n<\/em><\/p>\n<p>Captive breeding is well known as an effective last-ditch technique to prevent the extinction of endangered wildlife species, but a new study suggests it may be of little use in saving North American bats decimated by the recent outbreak of white-nose syndrome.<\/p>\n<p>&#8220;In many ways, the spread of white-nose syndrome among bats parallels the spread of chytrid fungus among frogs and other amphibians,&#8221; says the study&#8217;s lead author, Dr. Christina Davy of Trent University.\u00a0 &#8220;Several amphibian species have been conserved by the establishment of captive assurance populations in zoos, and captive management has been proposed as a conservation tool for bats as well.\u00a0 Unfortunately, the hibernating, insect-eating bat species affected by white-nose syndrome have complex requirements that are challenging to meet in captivity.&#8221;<\/p>\n<p>The Wildlife Preservation Canada study used a combination of simulation modeling, a survey of available infrastructure, literature reviews, and consultations with experts to determine the feasibility of bringing wild bats endangered by the fungus into captivity in order to preserve them.\u00a0 The results showed that, while there is considerable enthusiasm for the idea among conservation scientists, established husbandry methods are lacking, and little capacity is available.<\/p>\n<p>The study focused on five bat species affected by the spread of the disease in eastern Canada: the little brown, northern long-eared, eastern small-footed, tricoloured, and big brown bat.\u00a0 Of these, eastern small-footed and tricoloured bats are so rare that it would likely be impossible to collect enough individuals to form a viable captive population.\u00a0 The big brown bat, meanwhile, appears to be resistant enough to the disease that bringing it into captivity isn&#8217;t warranted.<\/p>\n<p>Only the little brown and northern long-eared bats were determined to be potential candidates for captive breeding in Canada.\u00a0 The survivorship of these species in captivity, however, was found to be low.\u00a0 Although experimental colonies have been kept for short times in the past, the researchers found no examples of colonies successfully maintained for longer than 3 years, or of any successful breeding in captivity.<\/p>\n<p>The researchers also found no examples of reintroduction of insect-eating, hibernating bats into the wild following long-term captivity.\u00a0 Individual bats treated at wildlife rehabilitation facilities have been released after short-term captivity, but in those cases survivorship has not been assessed.<\/p>\n<p>Finally, even if proven husbandry techniques did exist, none of the 13 zoos and 29 wildlife rehabilitation facilities surveyed currently have the infrastructure required to house and care for a long-term captive colony.<\/p>\n<p>&#8220;The fungus that causes white-nose syndrome is now almost certainly a permanent resident in affected hibernacula,&#8221; notes Dr. Davy, &#8221; so even if we could breed bats in captivity and release them into the wild, they&#8217;d face the same threat.\u00a0\u00a0 The best hope appears to be an evolutionary response in which a resistant genetic profile emerges in the wild population.&#8221;\u00a0 In the meantime, Dr. Davy recommends studies of post-release survival of individual, rehabilitated bats, and possibly some small-scale captive colony experiments, to close key knowledge gaps and prepare for a possible future in which disease-resistant bats could be reintroduced to areas where they&#8217;ve been wiped out.<\/p>\n<p>Although Wildlife Preservation Canada is known for its expertise in captive breeding and other &#8220;hands-on&#8221; species recovery techniques, its Executive Director, Randal Heide, notes that this doesn&#8217;t mean the organization advocates such intervention in all cases.\u00a0 &#8220;We&#8217;re passionate about preventing extinction,&#8221; says Heide, &#8220;but we are first and foremost science-driven.\u00a0 In this case, the science says we have a lot to learn before any large-scale captive breeding program should be attempted &#8211; and it may never be appropriate.&#8221;<\/p>\n<p>The study was co-authored by Amelia Whitear of Wildlife Preservation Canada, and was funded through a grant from the K. M. Hunter Foundation.\u00a0 It was recently published in the Zoological Society of London&#8217;s journal Animal Conservation.<\/p>\n<p><a href=\"http:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/acv.12274\/abstract\">Read full study.<\/a><\/p>\n<\/div><\/section><\/div><div  class='flex_column av-qecza4-b5296aee0c5792da9fd4054e4dd2e0e8 av_one_full  avia-builder-el-7  el_after_av_one_full  avia-builder-el-last  first flex_column_div  column-top-margin'     ><section  class='av_textblock_section av-li0r4t1h-f6629400d42295144d09b170e96f685b'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h5><strong>About Wildlife Preservation Canada<\/strong><\/h5>\n<\/div><\/section><br \/>\n<section  class='av_textblock_section av-li0r4psb-5c0f4256a6951eb6ce2bea8088a977f7'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Established in 1985, Wildlife Preservation Canada is a national charity devoted to saving endangered animal species facing imminent extinction in Canada \u2013 species whose numbers in the wild are so low that habitat protection alone is not enough. \u00a0\u00a0Wildlife Preservation Canada is currently working with over twenty mammal, reptile, amphibian, bird, and insect species in projects ranging from Nova Scotia to Vancouver Island, making it the only organization in Canada to provide hands-on care to multiple species in multiple recovery efforts across the country.\u00a0 For more information, please visit: <a href=\"https:\/\/wildlifepreservation.ca\/fr\/\" target=\"_blank\" rel=\"noopener\">https:\/\/wildlifepreservation.ca\/<\/a><\/p>\n<p>Contact:\u00a0 519-836-9314 or admin@wildlifepreservation.ca<\/p>\n<\/div><\/section><\/p><\/div>\n\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" 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><\/span><\/a><\/div><\/p><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":19,"featured_media":52058,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[67,10],"tags":[],"class_list":["post-40796","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-conservation-success","category-news-and-events"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Canadian bat study findings<\/title>\n<meta name=\"description\" content=\"A new study suggests captive breeding, an effective last-ditch technique, may be of little use in saving North American bats.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" 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