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<blockquote data-quote="DOC HARRIS" data-source="post: 173384" data-attributes="member: 1683"><p>Scotty - I agree with you in principle regarding Milk EPD's, however I would modify the statement a little - such as - The tendency for breeders to concentrate on Milk EPD's on escalating higher and higher CAN become a Pandora's Box. The important factor to remember here is that Milk EPD's are that part of a CALF'S WEANING WEIGHT (pounds) which is attributed to milk and mothering ability contributed by a Sires DAUGHTERS - compared to other sires. <em>ALSO</em>, high(er) Milk EPD's (In MY Opinion) can have a negative effect on the Phenotype relating to hindquarter thickness and depth over a period of time.</p><p> </p><p>Shorter explanation: by using a bull whose Milk EXPECTED PROGENY DIFFERENCE is, for example, +20 , does NOT necessarily mean that all of his daughters will wean calves weighing 20 pounds MORE than their PREVIOUS calves - or - that if her daughter is bred to a bull the next time with a milk EPD of +25 that her calf from that mating will COMPOUND the pounds resulting in a calf weighing 45 pounds - and on and on ad infinitum. We all know that many other factors contribute to the ultimate dressed weight hanging on the rail, such as differences in environment, management and nutrition. But in the meantime, while the breeder has been happily anticipating higher and better milking dams resulting from the matings to higher Milk EPD' bulls - his cow-herd phenotype is beginning to look like Jersey's, and carcass traits can go down the tubes!</p><p></p><p>I feel that the approach is MODERATION - MODERATION - MODERATION - in ALL aspects of our breeding programs. Successful breeding results demands meticulous attention to details of ALL traits to prevent losing what has been gained in the past. Almost every beef breed of significance has experienced the catastrophic results of losing focus on critical traits to the detriment of the breed and to the breeders themselves. For this reason - optimal cross-breeding is essential for a balancing "formula", if you will, to maintain EPD equilibrium.</p><p></p><p>Cross-breeding is not the ONLY way - - but it is ONE way.</p><p></p><p>DOC HARRIS</p></blockquote><p></p>
[QUOTE="DOC HARRIS, post: 173384, member: 1683"] Scotty - I agree with you in principle regarding Milk EPD's, however I would modify the statement a little - such as - The tendency for breeders to concentrate on Milk EPD's on escalating higher and higher CAN become a Pandora's Box. The important factor to remember here is that Milk EPD's are that part of a CALF'S WEANING WEIGHT (pounds) which is attributed to milk and mothering ability contributed by a Sires DAUGHTERS - compared to other sires. [i]ALSO[/i], high(er) Milk EPD's (In MY Opinion) can have a negative effect on the Phenotype relating to hindquarter thickness and depth over a period of time. Shorter explanation: by using a bull whose Milk EXPECTED PROGENY DIFFERENCE is, for example, +20 , does NOT necessarily mean that all of his daughters will wean calves weighing 20 pounds MORE than their PREVIOUS calves - or - that if her daughter is bred to a bull the next time with a milk EPD of +25 that her calf from that mating will COMPOUND the pounds resulting in a calf weighing 45 pounds - and on and on ad infinitum. We all know that many other factors contribute to the ultimate dressed weight hanging on the rail, such as differences in environment, management and nutrition. But in the meantime, while the breeder has been happily anticipating higher and better milking dams resulting from the matings to higher Milk EPD' bulls - his cow-herd phenotype is beginning to look like Jersey's, and carcass traits can go down the tubes! I feel that the approach is MODERATION - MODERATION - MODERATION - in ALL aspects of our breeding programs. Successful breeding results demands meticulous attention to details of ALL traits to prevent losing what has been gained in the past. Almost every beef breed of significance has experienced the catastrophic results of losing focus on critical traits to the detriment of the breed and to the breeders themselves. For this reason - optimal cross-breeding is essential for a balancing "formula", if you will, to maintain EPD equilibrium. Cross-breeding is not the ONLY way - - but it is ONE way. DOC HARRIS [/QUOTE]
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