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<blockquote data-quote="Beef Man" data-source="post: 1114482" data-attributes="member: 13859"><p>We have a question. We are calveing quite a lot of baldy and straight black heifers and are puzzeling about the pelvic size in a number of tthe straight blacks. They are supposed to be super light birthweight, themselves. We A.I. D them along with the baldy's andour own straight herefords and they been calving like normal.The question is by constantly selecting for birthweight are we causeing other problems??? We do agree that at least in this part of the world and in mostly the great outdoors a calf must have some body mass to withstand the elements. Goes back to "acow better be able to birth a calf at least 8% of her body weight". One other thing ,we do get criticized on some of our bull birthweights, to big, but every calf is weighed in a sling hanging from a scale and no exceptions!! So when its done right that is the weight that goes in the book. We do steer the unusually large ones . We don't pull cow's calves unless unusuall presentation.</p></blockquote><p></p>
[QUOTE="Beef Man, post: 1114482, member: 13859"] We have a question. We are calveing quite a lot of baldy and straight black heifers and are puzzeling about the pelvic size in a number of tthe straight blacks. They are supposed to be super light birthweight, themselves. We A.I. D them along with the baldy's andour own straight herefords and they been calving like normal.The question is by constantly selecting for birthweight are we causeing other problems??? We do agree that at least in this part of the world and in mostly the great outdoors a calf must have some body mass to withstand the elements. Goes back to "acow better be able to birth a calf at least 8% of her body weight". One other thing ,we do get criticized on some of our bull birthweights, to big, but every calf is weighed in a sling hanging from a scale and no exceptions!! So when its done right that is the weight that goes in the book. We do steer the unusually large ones . We don't pull cow's calves unless unusuall presentation. [/QUOTE]
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