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Cattle Boards
Artificial Insemination (AI) for Cattle
Coming up with change to protocal
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<blockquote data-quote="sackshowcattle" data-source="post: 1600347" data-attributes="member: 4065"><p>So got back into ai last few years and use a modified 7 day Tai protocall. I set them up according to protocal but breed on observed heat am pm rule then time breed at 72 hours. I am consistently 80 to 85 percent on observed heats but in the 20s on the timed ones. Was told the timed were low but was about what to expect. Have a couple of different opinions on how to I'm prove that. One opinion was to just throw cidrs back in and go through protocal on all not bred instead of timed breeding. The other opinion was to give second shot of lute 14 days after cidrs were pulled to all non responders and observe heats again on that group. Thought on these options or other options that have worked for you. Fwi they are not the same cows every year. Already checked records to cull for fertility issues as possible cause.</p></blockquote><p></p>
[QUOTE="sackshowcattle, post: 1600347, member: 4065"] So got back into ai last few years and use a modified 7 day Tai protocall. I set them up according to protocal but breed on observed heat am pm rule then time breed at 72 hours. I am consistently 80 to 85 percent on observed heats but in the 20s on the timed ones. Was told the timed were low but was about what to expect. Have a couple of different opinions on how to I'm prove that. One opinion was to just throw cidrs back in and go through protocal on all not bred instead of timed breeding. The other opinion was to give second shot of lute 14 days after cidrs were pulled to all non responders and observe heats again on that group. Thought on these options or other options that have worked for you. Fwi they are not the same cows every year. Already checked records to cull for fertility issues as possible cause. [/QUOTE]
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Coming up with change to protocal
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