: The CL regresses if no pregnancy is detected, and the body prepares for a new heat cycle.
: 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: Bovine Reproduction
To manage and improve herds, producers rely on several heavily researched breeding methods: Bovine Reproduction - Taylor & Francis : The CL regresses if no pregnancy is
: The corpus luteum actively produces progesterone to maintain a potential pregnancy. Bovine Reproduction