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<blockquote data-quote="Frankie" data-source="post: 46111" data-attributes="member: 13"><p>I'm not going to bicker about this, but except for an occasional mutation, genes don't change. I seriously doubt the size of the ribeye of a beef animal is governed by one single gene, rather a series of genes, plus environment and management. If I took twin, cloned 8-month old bull calves and put one on feed test and one on my native grass pasture, I'd fully expect the one on feed to outweigh the other as yearling, plus have a bigger ribeye and more backfat (management). I didn't say the inheritance would be 50-50%, since there's no way (in commercial cows) to tell what the cow's genetic make up is for ribeye. As one breeds their cows to a bull with "good" genes for ribeye area, the daughters will inherit some of those "good" genes. If you continually breed to bulls with superior EPDs for ribeye, eventually you'd wind up with a cowherd with "good" genes for ribeye. But I don't think one generation can do it.</p></blockquote><p></p>
[QUOTE="Frankie, post: 46111, member: 13"] I’m not going to bicker about this, but except for an occasional mutation, genes don’t change. I seriously doubt the size of the ribeye of a beef animal is governed by one single gene, rather a series of genes, plus environment and management. If I took twin, cloned 8-month old bull calves and put one on feed test and one on my native grass pasture, I’d fully expect the one on feed to outweigh the other as yearling, plus have a bigger ribeye and more backfat (management). I didn’t say the inheritance would be 50-50%, since there’s no way (in commercial cows) to tell what the cow’s genetic make up is for ribeye. As one breeds their cows to a bull with “good” genes for ribeye area, the daughters will inherit some of those “good” genes. If you continually breed to bulls with superior EPDs for ribeye, eventually you’d wind up with a cowherd with “good” genes for ribeye. But I don’t think one generation can do it. [/QUOTE]
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