PROBLEM TO BE SOLVED: To provide a method for treating superovulation which is applicable to a pig repeating estrous period.;SOLUTION: This method for treating the superovulation in the pig repeating the estrous period is characterized by administering a hormonal agent having corpus luteum regressing actions in the pig repeating the estrous period, regressing the corpus luteum and then growing follicles in the pig and further a hormonal agent for inducing the superovulation and inducing the superovulation.;COPYRIGHT: (C)2002,JPO
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