Equine Gonadotrophin
1.The rats in group 1 and group 2 were injected s. c. with 10 IU of equine chorionic gonadotrophin(eCG) in 0.1 ml 0.9% saline for 4 consecutive days,and 30 IU,100 IU of human chorionic gonadotrophin(hCG)in 0.1 ml of 0.9% saline on the 5th day (the 26th day of life).
