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Cattle Boards
Breeding / Calving Issues
Replacements out of first calve heifers?
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<blockquote data-quote="redcowsrule33" data-source="post: 616988" data-attributes="member: 8629"><p>I agree that some "heifer bulls" are just that. But you can select proven calving ease sires that still give you decent bone and good maternal calving ease. I select my AI bulls heavily based on CED and CEM for my heifers, not just birthweight, and they need average performance, too. I learned my lesson early on using low accuracy bulls on heifers. If you like a new bull's genetics use him on your adult cows first. EPD's can change too drastically on low accuracy bulls. The hours you spend researching bulls can save you lots of hours pulling calves, and you stay cleaner. We will not use a bull with a negative CEM EPD unless he will be a terminal sire or the rest of his attributes warrant using him on a cow family with excellent CEM history. This way I don't have to cry and ship my best heifer calf because I selected her sire for CED only.</p></blockquote><p></p>
[QUOTE="redcowsrule33, post: 616988, member: 8629"] I agree that some "heifer bulls" are just that. But you can select proven calving ease sires that still give you decent bone and good maternal calving ease. I select my AI bulls heavily based on CED and CEM for my heifers, not just birthweight, and they need average performance, too. I learned my lesson early on using low accuracy bulls on heifers. If you like a new bull's genetics use him on your adult cows first. EPD's can change too drastically on low accuracy bulls. The hours you spend researching bulls can save you lots of hours pulling calves, and you stay cleaner. We will not use a bull with a negative CEM EPD unless he will be a terminal sire or the rest of his attributes warrant using him on a cow family with excellent CEM history. This way I don't have to cry and ship my best heifer calf because I selected her sire for CED only. [/QUOTE]
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Breeding / Calving Issues
Replacements out of first calve heifers?
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