Prevalence of coccidiosis in the chickens of Diwaniya city, Iraq

Coccidiosis is an important disease in poultry industry with a high prevalence causing low food conversion rates with high death incidence. This study was conducted to evaluate the occurrence of coccidiosis in chickens in Al-Diwaniyah City. During August 2019 to January 2020, a total of 467 (277 broilers and 190 layers) chickens random gut and fecal samples were collected from local stores and farms. The samples were examined macroscopically and microscopically. Macroscopically, the results showed the presence of infection in the intestinal parts. The incidence findings of droppings were 30.68% ( n =85/277) and 10.52 % ( n =20/190), respectively. However, for the gut samples, higher occurrence rates (70.58 and 70%), respectively, were found. The results of the seasonal prevalence had effect on chicken based on month but varying from 5.88% in August to 36.47% in November in brioler, and 5% in August to 25% in October and November in Layer. A significantly increase ( P <0.05) incidence rate (23.52%) was revealed as a clinical form in broilers than layers (0%).