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Artificial Insemination (AI) for Cattle
Genomic scores vs EPDs
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<blockquote data-quote="FungusProudKY31" data-source="post: 1686295" data-attributes="member: 40881"><p>If EBDs and EBVs were the answer as a cure-all, they would have totally dominated the breeding programs after 5 generations to have over 96% genetic influence of the cattle. That has not panned out.</p><p></p><p>So every generation after 30 or 40 years still have to be bred to a freak or an outlier to try to up the carcass traits. And like the proverbial lemmings almost all people want to walk the same path and reach the same high ledge. Seldom do I see a picture of a "real cow" but a cow that is more steer-like in her excess muscling, weight and type. It is the expected results of one-size-fits-all and go for the terminal traits without any brakes.</p><p></p><p>The downfall of maximizing terminal traits in all cattle is the absolute need to go back to the basics and maintain cow fertility, ease of keeping and basic function to keep profitability in the cow/calf operations. The best practical opportunity is to have a well balanced and functioning cow herd and use terminal sires in spite of their looks, problems, type or breed which are true to type in the terminal traits they transmit: marbling, muscle ... That became the basic premise of the late Larry Leonhardt's advice and efforts to the beef sector. He was not accepted in his beliefs because everybody wants to have a cow herd of terminal type females rather than having a two type system. </p><p></p><p>Animal issues are usually people issues.</p></blockquote><p></p>
[QUOTE="FungusProudKY31, post: 1686295, member: 40881"] If EBDs and EBVs were the answer as a cure-all, they would have totally dominated the breeding programs after 5 generations to have over 96% genetic influence of the cattle. That has not panned out. So every generation after 30 or 40 years still have to be bred to a freak or an outlier to try to up the carcass traits. And like the proverbial lemmings almost all people want to walk the same path and reach the same high ledge. Seldom do I see a picture of a "real cow" but a cow that is more steer-like in her excess muscling, weight and type. It is the expected results of one-size-fits-all and go for the terminal traits without any brakes. The downfall of maximizing terminal traits in all cattle is the absolute need to go back to the basics and maintain cow fertility, ease of keeping and basic function to keep profitability in the cow/calf operations. The best practical opportunity is to have a well balanced and functioning cow herd and use terminal sires in spite of their looks, problems, type or breed which are true to type in the terminal traits they transmit: marbling, muscle ... That became the basic premise of the late Larry Leonhardt's advice and efforts to the beef sector. He was not accepted in his beliefs because everybody wants to have a cow herd of terminal type females rather than having a two type system. Animal issues are usually people issues. [/QUOTE]
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