all mares were given an initial injection of gonadotropin releasing hormone ( gnrh ) to characterize their lh and fsh response , and then two groups of mares ( n = 4/group ) were administered eb ( 22 micrograms/kg of body weight ) , two groups were administered vehicle ( safflower oil ) and a fifth group was administered tp ( 175 micrograms/kg of body weight ) daily for 10 days .
C0018061
gonadotropin
C0733758
fsh