Sero-prevalence and Risk Factors Associated with Brucellosis in Dairy Cattle of Sylhet District, Bangladesh: A Cross-sectional Study

Overview

Journal Vet Med Sci

Specialty Veterinary Medicine

Date 2023 Mar 3

PMID 36867646

Authors

Nirmalendu Deb Nath

Syed Sayeem Uddin Ahmed

Vashkar Malakar

Tanimul Hussain

Liton Chandra Deb

Suman Paul

Affiliations

Soon will be listed here.

Abstract

Background: Brucellosis is an emerging disease that causes a significant impact on productive and reproductive performance in dairy cattle. Though Brucella is a pivotal microorganism for dairy cattle, the scenario of brucellosis in Sylhet District is unknown.

Objectives: A cross-sectional study was carried out to assess the prevalence and determinants associated with brucellosis in dairy cattle of Sylhet District.

Methods: A total of 386 sera and data on determinants from 63 dairy herds were collected from 12 sub-districts using simple random sampling. The sera were tested with Rose Bengal Brucella antigen test, Brucella abortus plate agglutination test and serum agglutination test to find out the sero-positivity.

Results: Overall, 17.09% (95% CI: 13.67-21.18) prevalence in cows were calculated. Relatively higher prevalence (56.08%; 95% CI: 42.23-70.32) was recorded in cows having parity ≥4 and were at higher risk (OR = 7.28) than the other cows with parity 0-3. Prevalence was significantly higher in cows with history of abortion 90.63% (95% CI: 75.79-96.76), repeat breeding 79.17% (95% CI: 65.74-88.27) and reproductive abnormalities 48.54% (95% CI: 39.12-58.07). Farm-level prevalence was high in farms with the previous history of abortion 95.45% (95% CI: 78.20-99.19) and repeat breeding 90.00% (95% CI: 74.38-96.54).

Conclusions: The prevalence was high in Sylhet district, which might be a public health concern. Therefore, this study would represent the baseline information for guiding brucellosis control and prevention.

Citing Articles

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Sero-prevalence and risk factors associated with brucellosis in dairy cattle of Sylhet District, Bangladesh: A cross-sectional study.

Deb Nath N, Ahmed S, Malakar V, Hussain T, Chandra Deb L, Paul S Vet Med Sci. 2023; 9(3):1349-1358.

PMID: 36867646 PMC: 10188083. DOI: 10.1002/vms3.1100.

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