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Cattle Boards
Artificial Insemination (AI) for Cattle
Calling all natural heat breeders
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<blockquote data-quote="SPH" data-source="post: 1571857" data-attributes="member: 20580"><p>If you want to keep a tight calving window doing synched heat protocol is the way to go. We do 1 cycle of timed AI breeding then turn out with the bulls and anything that doesn't settle or we observe heat with the AI group usually settles to the herd bull on next heat cycle which keeps them in our range to synch up for another try at AI next breeding season. We start AI calving in late Feb and calve out the bulk of our natural sired calves in March and pull the bull from the pasture for latest birth date in mid May but usually are done by early to mid April. This year we have calved out all but 1 cow and she looks like she could calve any day now and just 2 years ago she was a late May calver so she had breed herself up at least 1 heat cycle each year the past 2 years.</p></blockquote><p></p>
[QUOTE="SPH, post: 1571857, member: 20580"] If you want to keep a tight calving window doing synched heat protocol is the way to go. We do 1 cycle of timed AI breeding then turn out with the bulls and anything that doesn't settle or we observe heat with the AI group usually settles to the herd bull on next heat cycle which keeps them in our range to synch up for another try at AI next breeding season. We start AI calving in late Feb and calve out the bulk of our natural sired calves in March and pull the bull from the pasture for latest birth date in mid May but usually are done by early to mid April. This year we have calved out all but 1 cow and she looks like she could calve any day now and just 2 years ago she was a late May calver so she had breed herself up at least 1 heat cycle each year the past 2 years. [/QUOTE]
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Calling all natural heat breeders
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