Vol. 12, Special Issue 7 (2023)

Author(s):
Biswajit Singh, Rabindra Nath Hansda, Samiran Mondal, Saktipada Pradhan, SK Mukhopadhayay, Rakibul Hoque, Stephen Saren and Surajit Baidya

Abstract:
In this study prevalence of chicken coccidiosis in West Medinipur district of West Bengal. The study was conducted in about 303 houses during April 2019 to March 2020, where backyard and organized farming systems were adopted. Out of 1304 backyard poultry examined, coccidiosis was confirmed in 1016 (77.9% of total birds) birds best on faecal sample examination and necropsy examination. In this study the highest incidence was recorded in rainy (95.2%), followed by summer (83.76%) and lowest in winter (44%). Three Eimeria species viz., E. tenella, E. necatrix, E. brunetti were recorded. Out of 1304 birds 56.13% were found positive for E. tenella, 12.57% for E. necatrix and 9.20% birds were found positive for E. brunetti. 200 feacal samples were collected from 4 different organized poultry farms. Out of 200 birds 20.5% birds were positive for E. tenella, 5.5% for E. necatrix and 3% for E. brunetti.