Pigeons lay eggs in those solar terms.

Under normal circumstances: pigeons start laying eggs when they are six months old, and they will lay eggs all year round. Besides molting every year, they lay two eggs about six to ten times a year. According to what you said, you should buy a pair of adult pigeons. Pigeons have just changed to a new environment and are under great pressure, so they will stop laying eggs. When it adapts to the new environment, it can lay eggs.