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Breeding / Calving Issues
Conundrum
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<blockquote data-quote="Lucky_P" data-source="post: 1830460" data-attributes="member: 12607"><p>Here's my take:</p><p>Four (commercial?) crossbred heifers. If the bull has no KNOWN genetic defects, based on his pedigree, the likelihood of him siring defective calves out of his own daughters is infintesimally small. If you like him and what he brings to the table, you'll just be concentrating those good traits in his second-generation calves. If you don't like what you get, you can sell them; someone will buy them, and I'll bet that the vast majority of buyers won't care that they are the result of a father/daughter mating... if they even know.</p><p></p><p>That said, if he happens to be the 'founder' of a new genetic defect all his own, there is a 12.5% probability that any given calf out of this group of heifers might express that defect as a homozygote. Been there, got the t-shirt.</p><p>But, I'd take the chance again, if AI was not a possibility and I had a good bull that I liked, and only had 4 to breed... hard to justify buying a new bull for 4 commercial heifers.</p></blockquote><p></p>
[QUOTE="Lucky_P, post: 1830460, member: 12607"] Here's my take: Four (commercial?) crossbred heifers. If the bull has no KNOWN genetic defects, based on his pedigree, the likelihood of him siring defective calves out of his own daughters is infintesimally small. If you like him and what he brings to the table, you'll just be concentrating those good traits in his second-generation calves. If you don't like what you get, you can sell them; someone will buy them, and I'll bet that the vast majority of buyers won't care that they are the result of a father/daughter mating... if they even know. That said, if he happens to be the 'founder' of a new genetic defect all his own, there is a 12.5% probability that any given calf out of this group of heifers might express that defect as a homozygote. Been there, got the t-shirt. But, I'd take the chance again, if AI was not a possibility and I had a good bull that I liked, and only had 4 to breed... hard to justify buying a new bull for 4 commercial heifers. [/QUOTE]
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