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Ask the ExpertHerd HealthWhat is the relationship between treatment of cystic ovarian disease (COD) and Ovsynch? What is the relationship between treatment of cystic ovarian disease (COD) and Ovsynch?
Chet Rawson
United States
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Usually with COD there are inadequate progesterone levels to allow normal cycling in the cow. Treatment with GnRH will often ovulate any follicles on the ovaries resulting in a functional corpus luteum that produces progesterone. Because two doses of GnRH are used in the Ovsynch protocol, the protocol will resolve up to 80% of the cases of COD. It is unusual to see many cases of COD when the Ovsynch protocol is part of the reproductive management program.