Prolonged receptivity to the male and the fate of spermatozoa in the female black mastiff bat, Molossus ater.


Observations were made on the reproductive biology of black mastiff bats maintained in a laboratory colony. Many of the females were inseminated within 24 h after the introduction of the males, and most exhibited a period of 10-50 days during which spermatozoa were present in their vaginal smears almost every day. The frequency of sperm-positive smears… (More)


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