Infectious bursal disease in live-bird market and smallholding birds in two states of Southwest Nigeria
2018
Oladosu, O. A. | Adebiyi | Olonade, O. G. | Adebowale, I. | Fagbohun, A. F. | Amos, O. E.
Ever since infectious bursal disease (IBD) was recognised in Nigeria over forty years ago, it continues to pose a threat to poultry production with limited information on the likely role of other avian species especially those raised in close proximity with chickens. For this study, blood samples were obtained from184 unvaccinated apparently healthy birds comprised of Japanese quails (63) andindigenous chickens (60) on smallholdings as well as pigeons (61) in a live-bird market in Osun and Oyo states, southwest Nigeria.Sera from these birds were analysed for IBD virus antibodies using a commercial ELISA kit. Overall, 69 (37.5%) sera were positive for IBDV with 52.8% (65/184) and 6.6% (4/184)from birds on smallholdings and live-bird market, respectively. These findings indicate that these birds were sub-clinically infected and could serve as reservoirs shedding the virus into the environment and perhaps, corroborate the suggestion that the inability to effectively control or eradicate the disease from poultry flocks in Nigeria may be due to limited information on the contributions of other avian species other than chicken in the spread of IBD virus.
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