PRAKASH2019-07-052019-07-052006http://krishikosh.egranth.ac.in/handle/1/5810112220Poultry farming in India especially broiler chicken production has made a phenomenal growth over the past two decades and it is an important agri-based GNP contributor to the Indian economy. Modernization of poultry entrepreneurship with the main aim of cost benefit ratio has invariably increased â stressâ on birds, which predisposes them for infectious as well as non-infectious diseases.Thesis