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Cattle Boards
Breeding / Calving Issues
Calf size in an ET program
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<blockquote data-quote="Nesikep" data-source="post: 1162105" data-attributes="member: 9096"><p>And it's all very scientific! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /></p><p></p><p>From my understanding, Heterosis, or 'hybrid vigor', is the extra growth an individual shows because of of it's parents of different breeds, and is genetic... In the case you're describing, the difference is between the calf and it's recip mother, but that wouldn't be a genetic thing and I don't think you could classify it as heterosis.</p><p></p><p>As for birthweights, 6 years ago our average birthweight was around 80ish lbs, give or take a couple for heifers or bulls, the next year ,our average BW jumped up to just shy of 100 lb, same calving season, same hay, same cows, and same bull, it hasn't come down since and we're going on our third bull since then.. don't know why, just happened.</p></blockquote><p></p>
[QUOTE="Nesikep, post: 1162105, member: 9096"] And it's all very scientific! ;) From my understanding, Heterosis, or 'hybrid vigor', is the extra growth an individual shows because of of it's parents of different breeds, and is genetic... In the case you're describing, the difference is between the calf and it's recip mother, but that wouldn't be a genetic thing and I don't think you could classify it as heterosis. As for birthweights, 6 years ago our average birthweight was around 80ish lbs, give or take a couple for heifers or bulls, the next year ,our average BW jumped up to just shy of 100 lb, same calving season, same hay, same cows, and same bull, it hasn't come down since and we're going on our third bull since then.. don't know why, just happened. [/QUOTE]
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