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<blockquote data-quote="BRG" data-source="post: 363692" data-attributes="member: 2397"><p>Here is a bw EPD Example.</p><p></p><p>We will be AI'ing to 4 different bulls this year and they are all bulls we own. Their will be no outside genetics brought in. The BW EPD's are as follows 1.7, 3.5, 3.6, & 2.8. Now none of theses are what I consider a calving ease sire, and they are all performance bulls. Now since I am not going to bring any outside bulls in. These will be compared to only each other in the contemporary groups. So since their is only a 1.9 difference between the biggest to the smallest. What will happen to the numbers after the data is turned in on them? If one sires on average 5 to 10 pounds of actual bw less than the others, will he then drop to look as if he is a calving ease sire? In this sinerio he could and probably will, but in reality he will still not be a calving ease or heifer type bull, but his numbers will say he is. What about the other bulls, in the same example, will their bw EPD jump way up and look as if he is a cow killer, but in all actuality they come out nice and easy but weigh a little more than the rest.</p></blockquote><p></p>
[QUOTE="BRG, post: 363692, member: 2397"] Here is a bw EPD Example. We will be AI'ing to 4 different bulls this year and they are all bulls we own. Their will be no outside genetics brought in. The BW EPD's are as follows 1.7, 3.5, 3.6, & 2.8. Now none of theses are what I consider a calving ease sire, and they are all performance bulls. Now since I am not going to bring any outside bulls in. These will be compared to only each other in the contemporary groups. So since their is only a 1.9 difference between the biggest to the smallest. What will happen to the numbers after the data is turned in on them? If one sires on average 5 to 10 pounds of actual bw less than the others, will he then drop to look as if he is a calving ease sire? In this sinerio he could and probably will, but in reality he will still not be a calving ease or heifer type bull, but his numbers will say he is. What about the other bulls, in the same example, will their bw EPD jump way up and look as if he is a cow killer, but in all actuality they come out nice and easy but weigh a little more than the rest. [/QUOTE]
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