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Breeding / Calving Issues
Scrotal Circumference
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<blockquote data-quote="WalnutCrest" data-source="post: 1292499" data-attributes="member: 21715"><p>So, with those averages, you realize there are those who improve more and those who improve less than those averages...right?</p><p></p><p>This is why, if you keep homegrown bulls or buy bulls from someone else, you should prefer bulls who are out of cows who calved their first calf younger than the vast majority of their contemporaries and who had a faster breed-back than the vast majority of their contemporaries ... rinse and repeat. So, if a heifer calves a week earlier than her contemporaries and breeds back ten days earlier ends up, at some point in her life, giving me a nice meaty bull (who is also at the top of his contemporary group in terms of "current weight as a % of projected mature weight" and "scrotal as a % of projected mature weight" ranks like I mentioned above), that bull would be a wonderful candidate for some real heard fertility improvement.</p><p></p><p>You should only look to keep/buy bulls out of cows who bred up early in their lives AND who bred back quickly...and who calved w/o assistance...and who did so with a good attitude.</p></blockquote><p></p>
[QUOTE="WalnutCrest, post: 1292499, member: 21715"] So, with those averages, you realize there are those who improve more and those who improve less than those averages...right? This is why, if you keep homegrown bulls or buy bulls from someone else, you should prefer bulls who are out of cows who calved their first calf younger than the vast majority of their contemporaries and who had a faster breed-back than the vast majority of their contemporaries ... rinse and repeat. So, if a heifer calves a week earlier than her contemporaries and breeds back ten days earlier ends up, at some point in her life, giving me a nice meaty bull (who is also at the top of his contemporary group in terms of "current weight as a % of projected mature weight" and "scrotal as a % of projected mature weight" ranks like I mentioned above), that bull would be a wonderful candidate for some real heard fertility improvement. You should only look to keep/buy bulls out of cows who bred up early in their lives AND who bred back quickly...and who calved w/o assistance...and who did so with a good attitude. [/QUOTE]
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