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<blockquote data-quote="Frankie" data-source="post: 391169" data-attributes="member: 13"><p>From the link:</p><p></p><p>"The rat-tail syndrome occasionally occurs when certain Continental breeds of cattle are crossed with cattle that have a black hair coat. <strong>The condition is characterized by short, curly, malformed, dilute-colored, sometimes sparse hair and a lack of a normal tail switch</strong>. Two loci, the extension locus and another unknown locus, are involved in the inheritance of the rat-tail syndrome. For the rat-tail phenotype to be expressed, the animal must have at least one dominant black allele and be heterozygous at the rat-tail locus. This study utilizes 28 rat-tails, 27 black half-sibs, dams, and 3 Simmental-cross sires to localize the unknown locus that causes the rat-tail syndrome....."</p><p></p><p><a href="http://www.intl-pag.org/11/abstracts/P5j_P581_XI.html" target="_blank">http://www.intl-pag.org/11/abstracts/P5j_P581_XI.html</a></p></blockquote><p></p>
[QUOTE="Frankie, post: 391169, member: 13"] From the link: "The rat-tail syndrome occasionally occurs when certain Continental breeds of cattle are crossed with cattle that have a black hair coat. [b]The condition is characterized by short, curly, malformed, dilute-colored, sometimes sparse hair and a lack of a normal tail switch[/b]. Two loci, the extension locus and another unknown locus, are involved in the inheritance of the rat-tail syndrome. For the rat-tail phenotype to be expressed, the animal must have at least one dominant black allele and be heterozygous at the rat-tail locus. This study utilizes 28 rat-tails, 27 black half-sibs, dams, and 3 Simmental-cross sires to localize the unknown locus that causes the rat-tail syndrome....." [url=http://www.intl-pag.org/11/abstracts/P5j_P581_XI.html]http://www.intl-pag.org/11/abstracts/P5j_P581_XI.html[/url] [/QUOTE]
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