No, goats do not experience menstrual periods like humans. However, they do have estrus cycles, also known as heat cycles.
Goats, like many other mammals, have an estrous cycle. This cycle is the recurring physiological changes that are induced by reproductive hormones in most mammalian therian females. The estrous cycle in goats occurs roughly every 21 days. During this cycle, the female goat (doe) is receptive to mating with a male goat (buck).
The key difference between menstruation and an estrous cycle is what happens to the uterine lining. In menstruation, the uterine lining is shed if pregnancy does not occur. In an estrous cycle, the uterine lining is reabsorbed by the body. Therefore, there is no bleeding involved.
Here's a breakdown:
- Menstruation: Shedding of the uterine lining if pregnancy doesn't occur. Characteristic of humans and some primates.
- Estrus Cycle: The uterine lining is reabsorbed by the body if pregnancy doesn't occur. Characteristic of goats and many other mammals.
Therefore, while goats don't "see period" in the way humans do, they do experience hormonal and physiological changes that make them receptive to breeding during their estrous cycle.