Article
Copulatory behavior, reproduction, and sperm competition in two strains of male rats.
Physiology & behavior - 1 Mar 1992
Moore C L, Wong L
Abstract excerpt
Long-Evans males fathered 72% of the offspring when one Long-Evans and one F344 male mated repeatedly with the same female throughout her estrus. When each male was restricted to one ejaculation and the second male was allowed to begin mating immediately following the first male's ejaculation, th...
Topics
- Animals
- Copulation
- Dominance-Subordination
- Ejaculation
- Estrus
- Female
- Litter Size
- Male
- Phenotype
- Pregnancy
- Pregnancy, Animal
- Rats
- Rats, Inbred F344
- Species Specificity
- Sperm Capacitation