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<blockquote data-quote="txag" data-source="post: 226740" data-attributes="member: 8"><p>really? the <em><u>Co-op</u></em> manager? :roll: </p><p></p><p></p><p></p><p>performance data will affect the epd's but keep in mind that the dam's milking ability is not the only factor that affects weaning weight (the calf's own growth potential, for one). so, just because a calf has a high weaning weight, his dam's milking ability may not be the only reason for it. </p><p></p><p>the data used in epd calculations is collected from many herds across the US. every time a relative of your cow has data sent in, her epd's can be affected. because of this, a cow will probably not have enough calves in her lifetime to cause a "significant" change in her epd's. </p><p></p><p>well, you have the "defense" above, so now for the disclaimer.......i have noticed in our own herd, that MM seems to be the epd most often misrepresented in our cows. we have a couple of Highway heifers whose MM's are in the mid to high 20's & they don't have enough milk to feed a mouse while the cow below is only about a +14 MM:</p><p></p><p><img src="http://i73.photobucket.com/albums/i213/txaggie2/3d6af9bd.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="txag, post: 226740, member: 8"] really? the [i][u]Co-op[/u][/i] manager? :roll: performance data will affect the epd's but keep in mind that the dam's milking ability is not the only factor that affects weaning weight (the calf's own growth potential, for one). so, just because a calf has a high weaning weight, his dam's milking ability may not be the only reason for it. the data used in epd calculations is collected from many herds across the US. every time a relative of your cow has data sent in, her epd's can be affected. because of this, a cow will probably not have enough calves in her lifetime to cause a "significant" change in her epd's. well, you have the "defense" above, so now for the disclaimer.......i have noticed in our own herd, that MM seems to be the epd most often misrepresented in our cows. we have a couple of Highway heifers whose MM's are in the mid to high 20's & they don't have enough milk to feed a mouse while the cow below is only about a +14 MM: [img]http://i73.photobucket.com/albums/i213/txaggie2/3d6af9bd.jpg[/img] [/QUOTE]
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