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Cattle Boards
Artificial Insemination (AI) for Cattle
Heat detect VS FTAI for 7&7 Protocol
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<blockquote data-quote="Dsth" data-source="post: 1674129" data-attributes="member: 38038"><p>I synced my cows 2 weeks ago using 7 day CIDR and PG when removing CIDR. first cows were standing at 48 hours and latest cows were standing at 96 hours. My opinion is breed at visible signs of standing heat. my opinion is that breeding on TAI is less affective (about 66%) vs. visual heat breeding (maybe 80 - 85%) is due to different ovulation time. I had one cow out of 19 that did not show heat so repeated CIDR and PG and bred on standing heat this weekend. some breeders have very good luck using TAI but I breed on observed heat. I have tried TAI on a few cows without much luck if no visible signs of heat, but did breed one last year on mucus discharge only and she had a calf 2 weeks ago. Other factors may determine your decision like if you use a bull for cleanup on next cycle or watch for heat and AI second time if she didn't settle.</p></blockquote><p></p>
[QUOTE="Dsth, post: 1674129, member: 38038"] I synced my cows 2 weeks ago using 7 day CIDR and PG when removing CIDR. first cows were standing at 48 hours and latest cows were standing at 96 hours. My opinion is breed at visible signs of standing heat. my opinion is that breeding on TAI is less affective (about 66%) vs. visual heat breeding (maybe 80 - 85%) is due to different ovulation time. I had one cow out of 19 that did not show heat so repeated CIDR and PG and bred on standing heat this weekend. some breeders have very good luck using TAI but I breed on observed heat. I have tried TAI on a few cows without much luck if no visible signs of heat, but did breed one last year on mucus discharge only and she had a calf 2 weeks ago. Other factors may determine your decision like if you use a bull for cleanup on next cycle or watch for heat and AI second time if she didn't settle. [/QUOTE]
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Heat detect VS FTAI for 7&7 Protocol
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