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The present study was carried out between the months of October, 2014 to April, 2015 and aimed at determining the dry season prevalence of avian coccidia infection and their degree of severity among domesticated chickens (Gallus domesticus) in Jere Council, Borno State, Nigeria. A total of 430 fresh faecal and gut samples were collected from chickens of both exotic and local breeds. The samples were examined using floatation and intestinal impulsion smear techniques. The study was conducted among breeds (exotic vs. local), sexes (male vs. female), ages (young vs. adult), management systems (intensive vs. extensive) and housing (cage vs. deep litter). Out of the 430 faecal samples examined, 54 (12.60%) were positive for various Eimeria species. Infection was more in the exotic (7.90%) than the local breed (4.70%). Coccidia infection found in young (10.0%) was higher (P= 0.0001) than in adult chickens (2.60%), while female ones had higher (P= 0.03) number of coccidia than the males. Chickens reared under poor management system showed higher infection (10.20%) compared to the good management one (2.30%). Chickens reared under intensive deep litter housing has higher coccidial load (9.30%) than those reared under extensive system (3.30%). Eimeria necatrix had the highest degree (42.60%) of severity score (+4), followed by Eimeria acervulina (27.80%), Eimeria tenella (24.10%) and E. maxima (5.60%) with degrees of severity scores +3, +4 and (+3) respectively. In conclusion, there was presence of coccidia infection in Jere area of Borno State, Nigeria.

Dry season prevalence of avian Coccidia infection in domesticated chickens (Gallus domesticus) in Jere Council, Borno State, Nigeria