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Cattle Boards
Breeding / Calving Issues
Calling on all Linebreeding gurus, specialists, or geniuses
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<blockquote data-quote="jdg" data-source="post: 1577675" data-attributes="member: 13350"><p>When the parent stock and prior breedings have already taken advantage of the heterosis, you shouldn't see as much of the effects...so yes, I agree that outcrossing after line breeding would yield a bigger heterosis punch. I also believe that you should see advantages in a true F1 cross (angus x simmental...or hereford x brahman) and the second cross after that cross. After that breeding, you lose a great percentage of your heterosis. The purebred breeder should certainly be stacking animals that work, and depending on the circumstances of herd size, genetic diversity, and goals, it seems like it would be a good idea for the commercial guy too.</p></blockquote><p></p>
[QUOTE="jdg, post: 1577675, member: 13350"] When the parent stock and prior breedings have already taken advantage of the heterosis, you shouldn't see as much of the effects...so yes, I agree that outcrossing after line breeding would yield a bigger heterosis punch. I also believe that you should see advantages in a true F1 cross (angus x simmental...or hereford x brahman) and the second cross after that cross. After that breeding, you lose a great percentage of your heterosis. The purebred breeder should certainly be stacking animals that work, and depending on the circumstances of herd size, genetic diversity, and goals, it seems like it would be a good idea for the commercial guy too. [/QUOTE]
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Breeding / Calving Issues
Calling on all Linebreeding gurus, specialists, or geniuses
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