Definition, Meaning & Synonyms

anestrus

noun
ˌænˈɛstrəs
Definition
Anestrus is a phase in the reproductive cycle of female mammals when they are not in heat or estrus.
Examples
  • The mare was in anestrus and would not accept a stallion’s advances.
  • During anestrus, the female dog’s body halts the production of eggs.
  • Veterinarians monitor the reproductive cycles to optimize breeding times outside of anestrus.
Meaning
It refers to the time when a female animal is not experiencing the fertile phase of the reproductive cycle, usually characterized by the absence of reproductive hormones signaling readiness for mating.
Synonyms
  • non-reproductive phase
  • resting phase
  • quiescent period