Hello, I am new to chickens, and appreciate this site. I have 6 IsoBrowns in their first year. For the past six weeks they have been laying 5-6 eggs consistently, all in the three nesting boxes. Coop is 4'w x 4'l x 5' h and 3' off the ground, and run is 6'w x 12'l x 6'h and enclosed like a...