{"id":36056,"date":"2016-05-23T07:10:29","date_gmt":"2016-05-23T04:10:29","guid":{"rendered":"http:\/\/www.alassalah.com\/en\/?p=36056"},"modified":"2016-05-23T07:10:29","modified_gmt":"2016-05-23T04:10:29","slug":"researchers-determine-sex-unborn-foals-new-test","status":"publish","type":"post","link":"https:\/\/www.alassalah.com\/en\/2016\/05\/23\/researchers-determine-sex-unborn-foals-new-test\/","title":{"rendered":"Researchers determine sex of unborn foals with new test"},"content":{"rendered":"<h5 class=\"p1\"><span class=\"s1\">by <span class=\"s3\">Eleanor Jones<\/span><\/span><\/h5>\n<p class=\"p4\"><span class=\"s1\">It is possible to find out the <b>sex of unborn foals<\/b> from as little as eight weeks after conception by testing mares\u2019 blood plasma, researchers have found.<\/span><\/p>\n<p class=\"p5\"><span class=\"s1\">An Iranian team from Shahrekord University was able to determine the sex with a<\/span><span class=\"s3\"><b> good rate of accuracy<\/b><\/span><span class=\"s1\"> using a new technique.<\/span><\/p>\n<p class=\"p5\"><span class=\"s1\">The researchers developed a test used to detect circulating cell-free foetal DNA (ccfDNA) within the plasma of <\/span><span class=\"s3\"><b>pregnant Arab mares<\/b><\/span><span class=\"s1\">.<\/span><\/p>\n<p class=\"p5\"><span class=\"s1\">They then identified the SRY gene, which is responsible for the initiation of <\/span><span class=\"s3\"><b>male sex determination<\/b><\/span><span class=\"s1\">, within the DNA.<\/span><\/p>\n<p class=\"p5\"><span class=\"s1\">This information was used to <\/span><span class=\"s3\"><b>predict the sex of the foetus<\/b><\/span><span class=\"s1\">.<\/span><\/p>\n<p class=\"p5\"><span class=\"s1\">Peripheral blood samples were collected from each mare used in the study, on a single occasion, between <\/span><span class=\"s3\"><b>eight and 20 weeks after conception<\/b><\/span><span class=\"s1\">. The researchers extracted the ccfDNA from 3ml of maternal plasma, using the new test to detect the SRY gene.<\/span><\/p>\n<p class=\"p5\"><span class=\"s1\">Results for the gene were inconclusive from the first round of testing, researcher Ali Kadivar and his colleagues stated in their study, which has been published in the <\/span><span class=\"s3\"><b>Journal of Equine Veterinary Science<\/b><\/span><span class=\"s1\"> online.<\/span><\/p>\n<p class=\"p5\"><span class=\"s1\">But <\/span><span class=\"s3\"><b>conclusive results<\/b><\/span><span class=\"s1\"> were obtained from a second round of testing, they said, from which the group was able correctly to predict the sex of 22 of the 25 unborn foals, an <\/span><span class=\"s3\"><b>accuracy rate of 88 per cent<\/b><\/span><span class=\"s1\">.<\/span><\/p>\n<p class=\"p5\"><span class=\"s1\">The group wrote: \u201cTo conclude, SRY gene can permit <\/span><span class=\"s3\"><b>detection of equine fetal sex<\/b><\/span><span class=\"s1\"> with a good accuracy by analysing cffDNA in maternal plasma just after 8 weeks of gestation.\u201d<\/span><\/p>\n<h5 class=\"p5\">src:\u00a0horseandhound.co.uk<\/h5>\n","protected":false},"excerpt":{"rendered":"<p>by Eleanor Jones It is possible to find out the sex of unborn foals from as little as eight weeks after conception by testing mares\u2019 blood plasma, researchers have found. An Iranian team from Shahrekord University was able to determine the sex with a good rate of accuracy using a new technique. The researchers developed &#8230;<\/p>\n","protected":false},"author":139,"featured_media":36054,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[381,373],"tags":[],"class_list":["post-36056","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","category-health-and-breeding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Researchers determine sex of unborn foals with new test<\/title>\n<meta name=\"description\" content=\"by Eleanor Jones It is possible to find out the sex of unborn foals from as little as eight weeks after conception by testing mares\u2019 blood plasma,\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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