Definitions

1. noun

A period of time when an animal fails to breed, often due to environmental factors or hormonal imbalances, resulting in a lack of reproductive activity.

“The farmer noticed a prolonged anestrus in the cattle herd, which affected their overall fertility.”

2. noun

A state of inactivity or dormancy in an animal’s reproductive cycle.

“The veterinarian examined the mare and diagnosed an anestrus due to stress caused by the recent move.”