Biological functions demand adapted nutrition

Chickens are living creatures who are supposed to be productive. To a large extent this is related to biological functions in their body. Different nutritional factors have an effect on growth, fertility, egg production, immunity, and on adaptation to various environmental stresses. Such relationships should provide useful tools to adapt nutritional regimens. By Dr. Salah H. Esmail, Cairo, Egypt The level of metabolic energy (ME) in the diet of poultry has an effect on growth. Generally, each in