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Heat synchronization

I am synchronizing a group of cows in the rented pasture starting Thursday the 24th. The plan is to install CIDRS and give GnRH on day 0 then on day 7 pull CDIRS and give Lutalyse. On day 9 give GnRH and then breed in 16 hours.
Have any of you used this method? Did it work? Any comments?

By the way, I am breeding theses big cows (5 to 8 years old and 1600 pound) to SA Neutron 377.

The first calf heifers at home will be bred to Boyd’s New Day the following week.
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