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Seroprevalence of bovine viral diarrhea virus in crossbred dairy cattle in Bangladesh

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Version 2 2024-06-13, 13:52
Version 1 2020-07-20, 11:19
journal contribution
posted on 2024-06-13, 13:52 authored by MA Uddin, ASML Ahasan, K Islam, MZ Islam, A Mahmood, A Islam, KMF Islam, A Ahad
© Uddin, et al. Aim: The study was conducted to determine the seroprevalence of bovine viral diarrhea virus (BVDV) and hematological features in crossbred dairy cattle in Chittagong, Bangladesh. Materials and Methods: The antibody against BVDV in crossbred dairy cattle serum was detected by indirect enzymelinked immunosorbent assay. The association of different categorical variables in the prevalence of BVDV has been studied. Blood samples were collected and analyzed to know the hematological variations in the study population. Results: The overall seroprevalence of BVDV in the study area was 51.1% (95% confidence interval [CI], 40.5-61.5). Among different physiological stages of animals, the highest 57.1% (95% CI, 42.2-71.2) prevalence was in case of nonpregnant animals. Aborted cows were found to be significantly (p < 0.05) more seropositive 77.8% (95% CI, 52.4-93.6) than the non-aborted cows (77.8%, 95% CI, 52.4-93.6, compared to 44.7%, 95% CI, 33.3-56.6, respectively). Cows having the history of retained placenta were found more positive than without the history of retained placenta (63.2%, 95% CI, 38.4-83.7, compared to 54.7%, 95% CI, 40.4-68.4, respectively). Among the animals of different age groups, BVDV seroprevalence was higher 61.3% (95% CI, 42.2-78.2) in animals of more than 3 years up to 5 years, whereas 32% was in case of 0-1-year-old. Significant variation found in different geographical areas of the study area. Hematological analyses have shown variation between the BVDV positive and negative animals. Conclusion: Seroprevalence of BVDV found to be high in the study area is also economically important and cause significant damage to the production industry. Therefore, it is necessary to conduct effective control measures to reduce the burden of BVDV.

History

Journal

Veterinary World

Volume

10

Pagination

906-913

Location

Rajkot, India

ISSN

0972-8988

eISSN

2231-0916

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

Issue

8

Publisher

Veterinary World

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