Abstract
Limited data is accessible about the seroprevalence of Toxoplasma gondii infection in backyard (free-range) chickens in Ethiopia. This cross-sectional study was carried out from November 2018 to April 2019 to estimate the seroprevalence and assess associated risk factors of T. gondii infection in backyard chickens in Northwest Ethiopia. Serum samples were collected from 384 backyard chickens. Toxoplasma gondii antibodies were assayed using Toxo-Latex slide agglutination test. Seropositivity for T. gondii antibodies was confirmed in 72.4% of 384 birds. Altitude, presence of cat and dog around the house, age, breed and water source were considered as potential risk factors (p<.05) associated with Toxoplasma seropositivity in this study. But, sex was not identified as a predictor for Toxoplasma infection even though higher seroprevalence was observed in females (73.7%) than males (69.3%). In conclusion, this study indicates a high prevalence of T. gondii infection in backyard chickens in Northwest Ethiopia. Therefore, further works on epidemiology, bioassay, isolation and genetic characterization of the pathogen are imperative. It also warrants an action to prevent and control T. gondii infection in backyard chickens that could serve as an important intermediate host and pose a potential threat for consumers.
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