Requirements of the animals in the shelter, to determine the environmental conditions in animal shelters, dairy and beef cattle barn, sheep and chickens and a vital effect on the performance of production, auxiliary facilities, design principles, feeding systems, animal management facilities, such as waste management issues.

The creation of a healthy and comfortable environment for Animals and caregivers, The necessary labor to organize in a rational way, Animal husbandry to achieve economic and ecological aspects, Environmental pollution on human health and the appropriate building design to achieve compliance with the rules that determine the production and design.