Saravanan, S.Selvaraju, G.Geetha, M.Dinakaran, A. ManicavasakaKannan, D.TANUVAS2020-05-302020-05-302010-05http://krishikosh.egranth.ac.in/handle/1/5810146731TNV_PF_May2010_25Coccidiosis, which is caused by obligate, intracellular, protozoan parasites belonging to several species of the genus Eimeria, is a major problem for the poultry industry. It is the major parasite disease of poultry, with substantial economic burden estimated to cost the industry more than $ 800 million in annual losses worldwide. These estimates include the costs of prophylactic in-feed medication for broilers and broiler breeders, alternative treatments, and losses due to mortality, morbidity, impaired growth rate, temporary reduction of egg production in layers and poor feed conversion of chickens that survive outbreaks.en-USCurrent Trends in the Immunization against Chicken Coccidiosis : An OverviewArticle