applies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrus
The period in which sheep are sexually inactive, usually during spring and summer months.
when a mare is not in heat or cycle
The period when the female is no longer experiencing the cyclic reoccurrence of estrus every 21 days. Although anestrus is usually caused by pregnancy and the resulting lactation, it may also be caused by an inadequate diet or environmental stress, such as prolonged exposure to heat or cold.
An interval of sexual inactivity between two periods of estrus in female mammals that breed cyclically.
