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Breeding / Calving Issues
Catching late calvers up
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<blockquote data-quote="SPH" data-source="post: 1665726" data-attributes="member: 20580"><p>Timed heat sync may help. Our last cow to calve last year is going to be one of the first ones this year. She calved April 8th and should calve sometime after Feb 20th with the AI group. We timed heat synch everything last year and she surprisingly came in heat and stuck to AI service. She's 8 years old and in good condition so that probably helped. We've had cows jump up 6 weeks before. Typically though we set a date we want to be done calving by and pull the pull out accordingly. If late calvers can't breed back and stay within our preferred calving season then they get sold if they come up open. We're probably a lot more strict about keeping a tighter calving season now that we are down to about 10-12 head so mid to late April is about all we will keep the bull out for but when we were calving out 20-30 head about May 15th to 20th was the absolute latest we would even consider holding one over to calve that late.</p><p></p><p>Our breeding/calving season now is to time heat sync with CIDRs most if not all our cows and breed some AI to calve the last week of Feb then everything goes out with the bull. This year we'll start calving in about a week (hopefully not sooner than this coming weekend with this crappy cold weather) and should be done by April 1st. Usually if they don't cycle with the timed heat or stick to the AI service they usually get bred 3 weeks later with the bull so makes for a nice and tight calving season with mostly 2 waves of calves with maybe a few sprinkled in before and after that 2nd heat cycle. If you are diligent about setting a cut off date when you want to be done calving by then you basically sell off anything that can't maintain a calving interval in your desired calving season and you don't have the problem about what to do with late calvers.</p></blockquote><p></p>
[QUOTE="SPH, post: 1665726, member: 20580"] Timed heat sync may help. Our last cow to calve last year is going to be one of the first ones this year. She calved April 8th and should calve sometime after Feb 20th with the AI group. We timed heat synch everything last year and she surprisingly came in heat and stuck to AI service. She's 8 years old and in good condition so that probably helped. We've had cows jump up 6 weeks before. Typically though we set a date we want to be done calving by and pull the pull out accordingly. If late calvers can't breed back and stay within our preferred calving season then they get sold if they come up open. We're probably a lot more strict about keeping a tighter calving season now that we are down to about 10-12 head so mid to late April is about all we will keep the bull out for but when we were calving out 20-30 head about May 15th to 20th was the absolute latest we would even consider holding one over to calve that late. Our breeding/calving season now is to time heat sync with CIDRs most if not all our cows and breed some AI to calve the last week of Feb then everything goes out with the bull. This year we'll start calving in about a week (hopefully not sooner than this coming weekend with this crappy cold weather) and should be done by April 1st. Usually if they don't cycle with the timed heat or stick to the AI service they usually get bred 3 weeks later with the bull so makes for a nice and tight calving season with mostly 2 waves of calves with maybe a few sprinkled in before and after that 2nd heat cycle. If you are diligent about setting a cut off date when you want to be done calving by then you basically sell off anything that can't maintain a calving interval in your desired calving season and you don't have the problem about what to do with late calvers. [/QUOTE]
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