in the second experiment immediately following 3 daily injections of 10 mg estradiol cypionate ( ecp ) given on days 326 , 327 and 328 of gestation , seven mares were infused ( iv ) with pgf2 alpha at the rate of 1.3 mg/hr for 24 hr or until parturition occurred .
C0059610
estradiol cypionate
C0032961
gestation