Blood samples were collected to determine progesterone and estradiol concentrations. ![]() ![]() On days 15, 35, and 70 of gestation, gilts were slaughtered in order to measure the number of corpus luteum, growth and development of the uterus and placenta. During gestation, gilts were placed in colony pigpens. Injections were conducted three days before estrus. Four groups of twelve gilts were injected with PMSG dan hCG dose levels of 0, 600, 1200, and 1800 IU/gilt. Forty eight gilts with average body weight of 107.83 ± 5.08 kg were used in experiments to study the use of pregnant mare serum gonadotrophin (PMSG) and human chorionic gonadotrophin (hCG) as superovulation agent in gilts to increase piglet production.
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