The usual age for purchasing your chickens is known as the point of lay.The point of lay is when a chicken is at the point of laying her first eggs. Different types of chickens will be at different ages for their point of lay. Most reputable layers should be able to honestly predict when the chicken will begin to lay by using their past experience with the breed.It is important to feed the chickens at point of lay a balanced ration to allow them to come into lay.