Bovine Reproduction -

: The corpus luteum actively produces progesterone to maintain a potential pregnancy.

: 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:

is the cornerstone of both the dairy and beef industries. Efficient reproductive management directly dictates herd profitability, milk production volume, and genetic progress. 🔬 Core Biological Concepts Bovine Reproduction

: 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.

: The CL regresses if no pregnancy is detected, and the body prepares for a new heat cycle. : The corpus luteum actively produces progesterone to

To manage and improve herds, producers rely on several heavily researched breeding methods: Bovine Reproduction - Taylor & Francis

: The cow is in heat and sexually receptive to the bull. To manage and improve herds, producers rely on

: Ovulation occurs, and the corpus luteum (CL) begins to form.