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Cattle Boards
Artificial Insemination (AI) for Cattle
100% AI?
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<blockquote data-quote="Son of Butch" data-source="post: 1511616" data-attributes="member: 14585"><p>Reasonable expectation/goal of 95% pg in 65 day window for 100 cow herd</p><p></p><p>67% conception on 1st service = 67 pg out of 100 cows </p><p>63.5% conception on the 33 second service cows 33 x .635 = 21 pg + 67 pg = 88 pg after the cows second cycle</p><p>58.5% on the 12 third service cows 7 pg cows + 88 pg = 95% pg in 3 cycles (65 days)</p><p></p><p>5 cull cows after 3rd cycle </p><p>OR </p><p>19 pg out of every 20 cows in herd after 3 cycles</p></blockquote><p></p>
[QUOTE="Son of Butch, post: 1511616, member: 14585"] Reasonable expectation/goal of 95% pg in 65 day window for 100 cow herd 67% conception on 1st service = 67 pg out of 100 cows 63.5% conception on the 33 second service cows 33 x .635 = 21 pg + 67 pg = 88 pg after the cows second cycle 58.5% on the 12 third service cows 7 pg cows + 88 pg = 95% pg in 3 cycles (65 days) 5 cull cows after 3rd cycle OR 19 pg out of every 20 cows in herd after 3 cycles [/QUOTE]
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