anoestrous
/ˌænoʊˈɛstriːs/Definitions
1. adjective
Having a reproductive cycle that is not seasonal or is irregular
“The zoo’s veterinarians studied the behavior of the anestrous female elephant to better understand its reproductive patterns.”
2. adjective (biology)
Characterized by a lack of estrus (reproductive cycle) in animals, often due to factors like climate, nutrition, or genetics
“The conservationists monitored the population of anestrous animals to assess the impact of environmental changes on their reproductive systems.”