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Help me understand these numbers
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<blockquote data-quote="Lucky_P" data-source="post: 985587" data-attributes="member: 12607"><p>Look here:</p><p><a href="http://www.ansc.purdue.edu/ibep/faq/epd-index.htm" target="_blank">http://www.ansc.purdue.edu/ibep/faq/epd-index.htm</a></p><p></p><p>Big thing to keep in mind is that epds are just a tool that can be used to compare <strong>expected<strong> differences between the calves of Bull A vs Bull B of the same breed - if bred to similar cows. </strong></strong></p><p><strong><strong>Accuracy(Acc.) is important, too. If a bull is young, or has few recorded offspring, his Acc will be low and the epds may or may not accurately reflect what the actuality is.</strong></strong></p><p><strong><strong>Keep in mind, too, that for most breeds, 'average' is not zero.</strong></strong></p><p><strong><strong></strong></strong></p><p><strong><strong>There are 'across-breed epd' tables, and I have used them for some breeding selections, but I'm not sure they're all that accurate.</strong></strong></p></blockquote><p></p>
[QUOTE="Lucky_P, post: 985587, member: 12607"] Look here: [url=http://www.ansc.purdue.edu/ibep/faq/epd-index.htm]http://www.ansc.purdue.edu/ibep/faq/epd-index.htm[/url] Big thing to keep in mind is that epds are just a tool that can be used to compare [b]expected[b] differences between the calves of Bull A vs Bull B of the same breed - if bred to similar cows. Accuracy(Acc.) is important, too. If a bull is young, or has few recorded offspring, his Acc will be low and the epds may or may not accurately reflect what the actuality is. Keep in mind, too, that for most breeds, 'average' is not zero. There are 'across-breed epd' tables, and I have used them for some breeding selections, but I'm not sure they're all that accurate.[/b][/b] [/QUOTE]
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