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Reaching genetic potential
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<blockquote data-quote="cypressfarms" data-source="post: 154309" data-attributes="member: 2653"><p>All of the advancements made in the past couple of decades have greatly increased the "genetic potential" of cattle. Being able to get semen from the top bulls will increase the quality of any herd if done correctly. Desirable traits (low BW, high WW, YW,marbling, etc) are being selected for, so in turn the quality of our cattle should be getting better and better each generation.</p><p></p><p>Taking EPD's as an example, I have a couple of "questions" that I've been considering:</p><p></p><p>1. For current offspring of a bull (x), for example, would the calves not reach their "potential" unless they were raised a certain way? Example, WW is normally at 205 days. For a calf to reach that high WW that we all want, would he/she have to be creep fed? Would my bermuda pastures (or any other) hold the calf from reaching potential? It would be great to have a bull with a BW of 0 and a WW of +150, but could it be done on normal forage?</p><p></p><p>2. At what point will genetic potential outpace the forage that we can give cattle? I'm picturing a world when in order for us to reach that +275 YW (o.k. I know it's extreme), that the calf would have to be creep fed a certain %/type feed constantly to attain that potential. I think that Milk production may have reached this in some breeds already.(Their milk output is so high, that they require substantially more feed/forage)</p><p></p><p>3. Feed efficiency is important; will there be a time when feed efficiency will be more important than WW, YW, etc?</p><p></p><p>Maybe I'm "thinking too much" ahead of time. When I look at all of the bulls available in Genex, I wonder about the above concerns. Is their a diminishing return? Anoyone have any comments. anyone think I'm way off my rocker?</p><p>All opinions welcome...</p></blockquote><p></p>
[QUOTE="cypressfarms, post: 154309, member: 2653"] All of the advancements made in the past couple of decades have greatly increased the "genetic potential" of cattle. Being able to get semen from the top bulls will increase the quality of any herd if done correctly. Desirable traits (low BW, high WW, YW,marbling, etc) are being selected for, so in turn the quality of our cattle should be getting better and better each generation. Taking EPD's as an example, I have a couple of "questions" that I've been considering: 1. For current offspring of a bull (x), for example, would the calves not reach their "potential" unless they were raised a certain way? Example, WW is normally at 205 days. For a calf to reach that high WW that we all want, would he/she have to be creep fed? Would my bermuda pastures (or any other) hold the calf from reaching potential? It would be great to have a bull with a BW of 0 and a WW of +150, but could it be done on normal forage? 2. At what point will genetic potential outpace the forage that we can give cattle? I'm picturing a world when in order for us to reach that +275 YW (o.k. I know it's extreme), that the calf would have to be creep fed a certain %/type feed constantly to attain that potential. I think that Milk production may have reached this in some breeds already.(Their milk output is so high, that they require substantially more feed/forage) 3. Feed efficiency is important; will there be a time when feed efficiency will be more important than WW, YW, etc? Maybe I'm "thinking too much" ahead of time. When I look at all of the bulls available in Genex, I wonder about the above concerns. Is their a diminishing return? Anoyone have any comments. anyone think I'm way off my rocker? All opinions welcome... [/QUOTE]
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