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Breeding / Calving Issues
Replacements out of first calve heifers?
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<blockquote data-quote="RanchManager" data-source="post: 617171" data-attributes="member: 8827"><p>Well cypressfarms, based on observations by producers and academics it has long been suspected and discussed that using bulls with ultra low birth weight or CE EPDs contributes to later calving problems in retained females. It's been my observation, thus we've resorted to sticking with lower to moderate EPDs for first timers for this and other reasons. We always keep calves from heifers if they make the grade, but we also don't A.I. or pasture breed with bulls that are not balanced in other areas of growth as well. Just an observation from years of experience and academic pursuits as well. That's my program. One sample in a sea of many.</p><p></p><p>Read some studies like:</p><p></p><p>Genetic aspects of replacement heifers in current and future production systems</p><p>M. W. Tess 1</p><p>Animal and Range Sciences Department, Montana State University, Bozeman 59717</p><p></p><p>Direct and Maternal Effects on Calving Ease in Heifers and Second Parity Pietmontese Cows</p><p>Paolo Carnier, Riccardo Dal Zotto, Andrea Albera, and Marco Bona</p><p></p><p>Google it, and you should find it somewhere. I've read it; it's in a stack of my old research/college papers. I am sure you will find other articles as well addressing what has been observed for many generations by producers.</p><p></p><p>Redcowsrule33, I did not say that you cannot give yourself a calving difficulty advantage by watching EPDs. Of course you can. I wouldn't even try to debate that. We watch EPDs. For us, it is just not the final straw. Why are you reading into a post, something not even present?</p><p></p><p>"Hog Wash", "Double Hog Wash" and other comments. Your attacks make you folks appear arrogant. I've seen many informed and educated, good posts pooh-poohed that should have been the highlights of discussion. I read these posts to observe experiences and to offer advice when I can offer something. I could on and on about my experience, education, and qualifications, blah, blah, blah. In the end this whole forum is not about me or you or serving our egos, it's about sharing education, advice, and experience. Try something like," I am not sure I agree with that for these reasons: My experience has shown me: etc." You will be better received and actually be a contributor.</p><p></p><p>Good luck to all.</p></blockquote><p></p>
[QUOTE="RanchManager, post: 617171, member: 8827"] Well cypressfarms, based on observations by producers and academics it has long been suspected and discussed that using bulls with ultra low birth weight or CE EPDs contributes to later calving problems in retained females. It's been my observation, thus we've resorted to sticking with lower to moderate EPDs for first timers for this and other reasons. We always keep calves from heifers if they make the grade, but we also don't A.I. or pasture breed with bulls that are not balanced in other areas of growth as well. Just an observation from years of experience and academic pursuits as well. That’s my program. One sample in a sea of many. Read some studies like: Genetic aspects of replacement heifers in current and future production systems M. W. Tess 1 Animal and Range Sciences Department, Montana State University, Bozeman 59717 Direct and Maternal Effects on Calving Ease in Heifers and Second Parity Pietmontese Cows Paolo Carnier, Riccardo Dal Zotto, Andrea Albera, and Marco Bona Google it, and you should find it somewhere. I've read it; it's in a stack of my old research/college papers. I am sure you will find other articles as well addressing what has been observed for many generations by producers. Redcowsrule33, I did not say that you cannot give yourself a calving difficulty advantage by watching EPDs. Of course you can. I wouldn't even try to debate that. We watch EPDs. For us, it is just not the final straw. Why are you reading into a post, something not even present? "Hog Wash", "Double Hog Wash" and other comments. Your attacks make you folks appear arrogant. I've seen many informed and educated, good posts pooh-poohed that should have been the highlights of discussion. I read these posts to observe experiences and to offer advice when I can offer something. I could on and on about my experience, education, and qualifications, blah, blah, blah. In the end this whole forum is not about me or you or serving our egos, it's about sharing education, advice, and experience. Try something like," I am not sure I agree with that for these reasons: My experience has shown me: etc." You will be better received and actually be a contributor. Good luck to all. [/QUOTE]
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Replacements out of first calve heifers?
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