CIDR protocols and TAI

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KNERSIE

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Which CIDR protocol works best for a strictly timed AI?

I have to AI 170 odd Creole cows and don't have the luxury to heat detect and bring them in using the am/pm rule.
 
7 day works good for me, if you can give the estrogen shot id give it 24hrs after the PG. It will move you up 8 to 12 hours so id breed at 56 to 60 hrs. If no estrogen id figure 66 hours to breed
 

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