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Cattle Boards
Breeding / Calving Issues
Bull with translocation gene, semen testing questions
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<blockquote data-quote="djinwa" data-source="post: 1041286" data-attributes="member: 8265"><p>Let me beat this to death.</p><p></p><p>Was just re-reading the 1989 paper I linked above. I see now what Willow was saying that with proper culling you can decrease the incidence, though never get rid of it, unless you test. And it is more obvious which to cull if you keep exposure time to bull short, or use AI.</p><p></p><p>Also interesting that it says several AI centers are doing or considering routine testing (karyotyping) of all semen donors. Slow progress there 24 years later.</p></blockquote><p></p>
[QUOTE="djinwa, post: 1041286, member: 8265"] Let me beat this to death. Was just re-reading the 1989 paper I linked above. I see now what Willow was saying that with proper culling you can decrease the incidence, though never get rid of it, unless you test. And it is more obvious which to cull if you keep exposure time to bull short, or use AI. Also interesting that it says several AI centers are doing or considering routine testing (karyotyping) of all semen donors. Slow progress there 24 years later. [/QUOTE]
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Bull with translocation gene, semen testing questions
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