https://vtechworks.lib.vt.edu/items/32131eb1-15e6-4da9-b8c4-215b43c3583b/full
Evaluation of 72 h Cosynch and 5 or 7 d post-AI gonadotropin releasing hormone on first service...
Two studies were conducted to evaluate the effects of 5 or 7 d post-AI GnRH on first service PR, plasma P4, and CL volume in lactating dairy cows synchronized...