
pmid: 4911974
Sexual activity in Camelidae appears to be acyclic and ovulation is induced by copulation. The duration of sexual activity is variable. When a rutting season exists, it is probably elicited by influences similar to those which induce the advent of oestrus in the female. The pattern of the reproductive cycle appears to relate to the harsh environment in which the camel progenitors evolved. Only calves born in a restricted period of the year had any chance of survival. Selection has, thus, been towards a type of animal with a breeding
Male, Ovulation, Camelus, Placenta, Reproduction, Genitalia, Female, Breeding, Environment, Genitalia, Male, Biological Evolution, Sexual Behavior, Animal, Fertility, Estrus, Pregnancy, Copulation, Animals, Female, Seasons, Artiodactyla
Male, Ovulation, Camelus, Placenta, Reproduction, Genitalia, Female, Breeding, Environment, Genitalia, Male, Biological Evolution, Sexual Behavior, Animal, Fertility, Estrus, Pregnancy, Copulation, Animals, Female, Seasons, Artiodactyla
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