The interval from the beginning of one heat period to the beginning of another is known as
Answer Details
The correct answer is "oestrus cycle". The oestrus cycle refers to the reproductive cycle in female animals that have a periodic sexual receptivity and ability to conceive. The interval between the beginning of one heat period (when the female is in oestrus) to the beginning of another is called the oestrus cycle. The length of the oestrus cycle varies depending on the species of animal, but it typically lasts from a few days to several weeks.