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Breeding / Calving Issues
Heifer calving problem
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<blockquote data-quote="novaman" data-source="post: 762713" data-attributes="member: 2744"><p>I agree that the cow may have a greater influence but she said majority and by that I am assuming she means most. I formerly used natural service on my dairy cows. Pulled calves here and there, not alot, but a several every year. I switched to AI in 2008 and haven't brought the puller out since those calves started hitting the ground, with the exception of one sire I used who had a poor calving ease proof. This proves, at least in my mind, that the sire has a major influence on calving ease. If the cows were hard calvers with NS than there should be a number who remain hard calvers now. Not the case at all. The sire influences the size and shape of the calf and that plays a critical role in how the little bugger squirts out.</p></blockquote><p></p>
[QUOTE="novaman, post: 762713, member: 2744"] I agree that the cow may have a greater influence but she said majority and by that I am assuming she means most. I formerly used natural service on my dairy cows. Pulled calves here and there, not alot, but a several every year. I switched to AI in 2008 and haven't brought the puller out since those calves started hitting the ground, with the exception of one sire I used who had a poor calving ease proof. This proves, at least in my mind, that the sire has a major influence on calving ease. If the cows were hard calvers with NS than there should be a number who remain hard calvers now. Not the case at all. The sire influences the size and shape of the calf and that plays a critical role in how the little bugger squirts out. [/QUOTE]
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