Economic impact assessment due to coccidiosis was conducted in commercial layer farms during the period from June, 2015 to January, 2016. A total of 6 poultry farms which were screened for coccidiosis, 3 layer farms (L1, L2 and L3) were found to be positive and among these 3 farms, in farm L1 and L2 no subclinical form of coccidiosis was recorded with maximum economic loss being due to mortality followed by chemotherapy and chemoprophylaxis. While in farm L3, no chemoprophylactic drug was used with maximum loss due to chemotherapy cost followed by loss in egg production and mortality. Vaccination was not used in any of the layer flocks. | Evaluation of economic losses due to coccidiosis in layer birds in Tarai region of Uttarakhand
