Abstract
Summary
These data indicate that during the first half of the 12-hour period between insemination and fertilization in the rabbit one or both gametes can be fatally injured by 20-minute exposure of the adult female to temperatures of 109°-110°F, involving elevation of general body temperature of 5°-6°F. During the second half of the same period like treatment has no observed effect, but, as previously reported1 another period of susceptibility to heat is experienced on the 3rd day after mating.
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