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<blockquote data-quote="Frankie" data-source="post: 690278" data-attributes="member: 13"><p>Here's a link to the Angus site. Scroll down the page and you'll find an explanation of Angus EPDs. Every breed's EPDs are different because they're based on their data, but they work the same. To simplify it:</p><p></p><p>If you breed a cow to a bull with a birth weight EPD of 5, you would <strong>expect</strong> the calf to weigh five more pounds at birth than if you bred that same cow, under the same management, to a bull (of the same breed) with a BW EPD of 0. You'd <strong>expect</strong> her calf to weigh 20 more pounds at weaning if you bred her to a bull with a weaning weight EPD of 35 than if you bred her to a bull with a WW EPD of 15. </p><p></p><p>EPDs will never tell you what something will weigh; they just allow you to compare animals.</p><p></p><p> Link: <a href="http://www.angus.org/Nce/Definitions.aspx" target="_blank">http://www.angus.org/Nce/Definitions.aspx</a></p><p></p><p>Values without a - (minus) are really a +, they just don't list it. The - means less. In birthweight that might be good (smaller calves) In Calving Ease, a higher number is better. In growth EPDs like WW and YW, generally a - is not good. Milk is a tricky EPD. Higher milking cows will usually raise a heaver calf, but milk isn't free. A heavy milking heifer/cow might have trouble maintaining her body condition to get bred back, so you need to understand her milking ability and your ability to provide her with enough nutrition.</p></blockquote><p></p>
[QUOTE="Frankie, post: 690278, member: 13"] Here's a link to the Angus site. Scroll down the page and you'll find an explanation of Angus EPDs. Every breed's EPDs are different because they're based on their data, but they work the same. To simplify it: If you breed a cow to a bull with a birth weight EPD of 5, you would [b]expect[/b] the calf to weigh five more pounds at birth than if you bred that same cow, under the same management, to a bull (of the same breed) with a BW EPD of 0. You'd [b]expect[/b] her calf to weigh 20 more pounds at weaning if you bred her to a bull with a weaning weight EPD of 35 than if you bred her to a bull with a WW EPD of 15. EPDs will never tell you what something will weigh; they just allow you to compare animals. Link: [url=http://www.angus.org/Nce/Definitions.aspx]http://www.angus.org/Nce/Definitions.aspx[/url] Values without a - (minus) are really a +, they just don't list it. The - means less. In birthweight that might be good (smaller calves) In Calving Ease, a higher number is better. In growth EPDs like WW and YW, generally a - is not good. Milk is a tricky EPD. Higher milking cows will usually raise a heaver calf, but milk isn't free. A heavy milking heifer/cow might have trouble maintaining her body condition to get bred back, so you need to understand her milking ability and your ability to provide her with enough nutrition. [/QUOTE]
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