Yoseph Tilahun, Yoseph Deneke, Gebrerufael Girmay and Shubisa Abera
A cross sectional study was conducted in apparently healthy unvaccinated backyard and small scale chicken from November 2019 to May 2020 at Jimma town, Ethiopia to estimate sero-prevalence of Infectious Bursal Disease (IBD) and its risk factors. Infectious bursal disease is highly contagious disease challenging the poultry industry world-wide. It is among the obstacle in the chicken production in Ethiopia. A total of 384 chickens were selected from purposively selected 100 poultry farms to estimate the sero-prevalence of IBD and to identify its risk factors. Data analysis was performed using stata software. Out of 384 serum samples tested, 206 were positive for indirect ELISA and overall prevalence of the disease was found to be 53.6% and flock-level prevalence with at least one seropositive chicken in the flock. The result of logistic regression analysis showed that age and isolation practice were significant risk factors for occurrence of IBD. Results of questionnaire survey revealed that majority of the respondents lack sufficient knowledge about IBD. Prevalence of IBD has statistically significant difference among owner age, educational level and experiences of rearing chicken. Hence, proper vaccination program and awareness creation of farmers on benefits of practicing isolating sick chickens should be implemented.
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