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<blockquote data-quote="VaCowman" data-source="post: 1617736" data-attributes="member: 33135"><p>Breeding for extremes is a dangerous game, regardless of resources IMO. I do pay close attention to the $EN and try to stay above -15 and below +15. I still prefer a + value over a - one, but I think you can get some real dinks on most operations breeding for extremes. There is either too much gas, or not enough. An operation with higher supplementation rates can get by with lower $EN, but there is a cost associated with that added performance. As stated above, there is no such thing as a free lunch. I think Tim's fleck experiment turned out pretty well for him. </p><p></p><p>It seems like the $EN values are always changing, even on proven bulls, due to feed costs, etc., but I think if you stick with a fairly or highly proven bull, the $EN values would be a good indicator for what type of cattle they produce</p></blockquote><p></p>
[QUOTE="VaCowman, post: 1617736, member: 33135"] Breeding for extremes is a dangerous game, regardless of resources IMO. I do pay close attention to the $EN and try to stay above -15 and below +15. I still prefer a + value over a - one, but I think you can get some real dinks on most operations breeding for extremes. There is either too much gas, or not enough. An operation with higher supplementation rates can get by with lower $EN, but there is a cost associated with that added performance. As stated above, there is no such thing as a free lunch. I think Tim's fleck experiment turned out pretty well for him. It seems like the $EN values are always changing, even on proven bulls, due to feed costs, etc., but I think if you stick with a fairly or highly proven bull, the $EN values would be a good indicator for what type of cattle they produce [/QUOTE]
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