Importance of Light in Poultry Industry

Poultry is a quickest and easiest source of animal protein for human consumption. It has occupied a leading role among agricultural industries in many parts of the world. The main objectives of poultry farming earlier were to improve body weight and feed efficiency. Modern poultry farming has to take care of other parameters like low fat deposition, leg problems, metabolic diseases and protein content. Besides this, sustainable live stocks produced at minimal cost and in shortest possible time is also a main component of poultry industry. Light being a key factor, several light regiments have been recommended for enhancement of production efficiency in poultry farming. However most of the light regiment arecriticized for poultry welfare such as less broiler activity, leg problems, eye damageand metabolic problems.Modern broilers are selected for higher growth rate but problem like increased fat deposition in abdominal cavity is common. The present paper critically reviews the impact of light on poultry industry.