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Cattle Boards
Breeding / Calving Issues
Twins on old cow
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<blockquote data-quote="Jeanne - Simme Valley" data-source="post: 1702397" data-attributes="member: 968"><p>Like TC said, a heifer born twin to a bull is "generally" a freemartin (non-breeder) because they pick up too many male genes in-utero. IF both calves are completely in separate birth sacs, sometimes the female is OK. It is rare - something like 8%. You usually can tell by looking at the vulva. Generally it is bigger, has a lot more hair - just doesn't "look" normal.</p></blockquote><p></p>
[QUOTE="Jeanne - Simme Valley, post: 1702397, member: 968"] Like TC said, a heifer born twin to a bull is "generally" a freemartin (non-breeder) because they pick up too many male genes in-utero. IF both calves are completely in separate birth sacs, sometimes the female is OK. It is rare - something like 8%. You usually can tell by looking at the vulva. Generally it is bigger, has a lot more hair - just doesn't "look" normal. [/QUOTE]
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Twins on old cow
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