: Cattle are polyestrous, meaning they cycle continuously throughout the year if not pregnant. The average cycle lasts 21 days and is divided into four distinct phases:
: The CL regresses if no pregnancy is detected, and the body prepares for a new heat cycle. Bovine Reproduction
: The cow is in heat and sexually receptive to the bull. : Cattle are polyestrous, meaning they cycle continuously
: Ovulation occurs, and the corpus luteum (CL) begins to form. : Cattle are polyestrous
: A cow's pregnancy typically lasts about 283 days (roughly 9 months), fluctuating slightly depending on the specific breed and the sex of the calf.