Seroprevalence and risk factors of bluetongue virus in sheep of Chattogram, Bangladesh

Author:

Munmun Tahura Khanam1ORCID,Islam Shariful2ORCID,Zamil Shafayat1,Rahman Md. Ashiqur1ORCID,Abedin Josefina2ORCID,Ahad Abdul1,Islam Ariful3ORCID

Affiliation:

1. Department of Microbiology and Veterinary Public Health, Chattogram Veterinary and Animal Sciences University, Zakir Hossain Road, Khulshi, Chattogram-4225, Bangladesh.

2. Institute of Epidemiology, Disease Control, and Research, Mohakhali, Dhaka-1212, Bangladesh; EcoHealth Alliance, New York, NY, USA.

3. EcoHealth Alliance, New York, NY, USA; Centre for Integrative Ecology, School of Life and Environmental Science, Deakin University, Victoria, Australia.

Abstract

Background and Aim: Bluetongue (BT) is a non-contagious, infectious disease of wild and domestic ruminant animals caused by the BT virus (BTV). Bangladesh having a border with a BTV-endemic country, India and a substantial number of susceptible animals. Therefore, this study aimed to estimate BTV seroprevalence and potential risk factors. Materials and Methods: We collected 150 serum samples from indigenous sheep from Chattogram, Bangladesh. We screened the serum samples using a competitive enzyme-linked immunosorbent assay for detecting BTV-specific immunoglobulin. Results: We detected antibodies against BTV in 39.3% (59/150; 95% confidence interval: 31.5–47.6) of all sampled sheep. Factors like sampling site, sheep rearing location, rearing sheep with other farm species, and body condition score had a significant (p < 0.05) influence on the seroprevalence of BTV. Conclusion: The findings show that indigenous sheep have a higher BTV seroprevalence, necessitating sustained surveillance for early diagnosis and a better understanding of virus epidemiology in Bangladesh.

Funder

EcoHealth Alliance

Publisher

Veterinary World

Subject

General Veterinary

Reference33 articles.

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