<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Infectious bronchitis (IB) is an acute infectious viral disease causing severe economic losses in poultry production. In Nigeria, there has only been monitoring of the disease in chickens with little attention given to other bird species. For this study, blood samples were collected from 184 apparently healthy, unvaccinated birds which comprised of 61 captured free-living pigeons, 60 free range indigenous chickens and 63 intensively reared Japanese quails. Sera from these birds were screened for IB virus antibodies (IBV) using a commercial ELISA kit. The birds were from Oyo and Osun States, in southwest Nigeria. Overall, 63 (34.2 %) sera were positive for IBV with 3.3 % (2/61), 95.0 % (57/60) and 6.3 % (4/63) from pigeons, indigenous chickens and Japanese quails, respectively. These findings suggest that they were subclinically infected with either field or vaccine virus and could thus serve as possible reservoirs of this virus to domestic poultry. Thus, there is need for continuous surveillance of the disease in different bird species and their possible role in the spread of IBV in Nigeria.</p></abstract>

Infectious bronchitis (IB) is an acute infectious viral disease causing severe economic losses in poultry production. In Nigeria, there has only been monitoring of the disease in chickens with little attention given to other bird species. For this study, blood samples were collected from 184 apparently healthy, unvaccinated birds which comprised of 61 captured free-living pigeons, 60 free range indigenous chickens and 63 intensively reared Japanese quails. Sera from these birds were screened for IB virus antibodies (IBV) using a commercial ELISA kit. The birds were from Oyo and Osun States, in southwest Nigeria. Overall, 63 (34.2 %) sera were positive for IBV with 3.3 % (2/61), 95.0 % (57/60) and 6.3 % (4/63) from pigeons, indigenous chickens and Japanese quails, respectively. These findings suggest that they were subclinically infected with either field or vaccine virus and could thus serve as possible reservoirs of this virus to domestic poultry. Thus, there is need for continuous surveillance of the disease in different bird species and their possible role in the spread of IBV in Nigeria.

Infectious Bronchitis Virus in Captured Free-Living, Free-Range and Intensively Reared Birds in Southwest Nigeria

Department of Veterinary Microbiology and Parasitology, University of Ibadan, Ibadan,

Federal College of Animal Health and Production Technology, Moor Plantation, Ibadan,

Folia Veterinaria

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Infectious bronchitis (IB) is an acute infectious viral disease causing severe economic losses in poultry production. In Nigeria, there has only been...

Infectious Bronchitis Virus in Captured Free-Living, Free-Range and Intensively Reared Birds in Southwest Nigeria

Published Online: Apr 04, 2017

Page range: 23 - 26

Received: Oct 03, 2016

Accepted: Dec 18, 2016

DOI: https://doi.org/10.1515/fv-2017-0004

Keywords
antibodies, indigenous chickens, infectious bronchitis virus, pigeons, quails

© 2017 Adebiyi A. I. et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Infectious Bronchitis Virus in Captured Free-Living, Free-Range and Intensively Reared Birds in Southwest Nigeria

Published Online: Apr 04, 2017

Page range: 23 - 26

Received: Oct 03, 2016

Accepted: Dec 18, 2016

DOI: https://doi.org/10.1515/fv-2017-0004

Keywordsantibodies, indigenous chickens, infectious bronchitis virus, pigeons, quails

© 2017 Adebiyi A. I. et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
antibodies, indigenous chickens, infectious bronchitis virus, pigeons, quails