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Livestock
Livestock & Forage
Lambing ease gestation length
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<blockquote data-quote="CopperBeech" data-source="post: 8176921" data-attributes="member: 8925"><p>If I remember correctly the gene was first identified in a family of Romney’s in NZ, descended from one ewe. About 1984. Over the next five years they found it in her male descendants on the X chromosome. The problem is it’s normally used in ewes to go to a terminal because as said above 1 copy increases prolifacy by 0.6 (ovulation by 1.0) but two copies give small non functional ovaries which render the female infertile and which often end up with tumours developing. Interesting stuff.</p></blockquote><p></p>
[QUOTE="CopperBeech, post: 8176921, member: 8925"] If I remember correctly the gene was first identified in a family of Romney’s in NZ, descended from one ewe. About 1984. Over the next five years they found it in her male descendants on the X chromosome. The problem is it’s normally used in ewes to go to a terminal because as said above 1 copy increases prolifacy by 0.6 (ovulation by 1.0) but two copies give small non functional ovaries which render the female infertile and which often end up with tumours developing. Interesting stuff. [/QUOTE]
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Lambing ease gestation length
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