Abstract
Summary
The incidence of ovulation in 25-day-old animals after various doses of a single injection of PMS reached its maximum at 3 and 30 IU. Doses between 10 and 20 IU or higher than 40 IU did not induce ovulation. In 3 IU PMS-primed rats no significant differences were observed between strains, or with the volume of vehicle used. The mechanisms by which a single injection of various doses of PMS induce ovulation are discussed.
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