Custom chicken coops are done for units of quarters retails for chickens, and they vary in sizes and designs which range from simple backyard chicken coops to large corporate units. Some integrated components like nesting boxes, perches, and ventilation systems come with the Build chicken coops. These types of coops are much easier for farmers who do not have the skill or time to build their own chicken coops. Keep in mind the quality of construction, included components, and also the costs when choosing a built chicken coop