Approximately how long after the initiation of heat does ovulation occur in cattle?

Ovulation in cattle generally occurs approximately 30 hours after the initiation of heat (estrus). During the heat period, which typically lasts about 12 to 18 hours, the female cow displays behaviors indicating she is ready to mate. The timing of ovulation is crucial for breeding management; understanding that ovulation follows heat by about 30 hours helps producers optimize insemination timing for successful conception.

The window around ovulation is significant for both natural breeding and artificial insemination protocols. Knowing that ovulation takes place about 30 hours after the onset of heat allows producers to time insemination close to when the ovum is released from the ovary, thereby increasing the likelihood of fertilization by sperm that is already present in the reproductive tract.

This information is essential for producers looking to maximize their breeding success and improve reproductive efficiency in their herds.