Outbreak of Histomonosis with Heterakis gallinarum infection in a turkey farm in Aizawl, Mizoram

An outbreak of histomonosis was investigated in a turkey farm comprising of total 350 birds in the age group of around 3 months at Selesih village, Aizawl, Mizoram. History of using rice husk as litter material, clinical signs of anorexia, ruffled feathers, depression and lethargy, cyanosis of head and watery greenish diarrhea with initial low grade mortality and presence of Heterakis gallinarum in caecal content suggested the disease. On necropsy examination on total 35 dead birds and histopathological examination confirmed the disease in the farm. The practice of mixed rearing of different poultry species or alternative poultry farming in close proximity in small scale bears the need of detailed epidemiological investigation of the disease in the state.