Prevalence and risk factors associated with bovine viral diarrhea virus infection in dairy herds in Jordan
Date
2009
Authors
Talafha, A.
Hirche, S.
Ababneh, M.
Al-Majali, A.
Ababneh, M.
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Journal article
Citation
Tropical Animal Health and Production, 2009; 41(4):499-506
Statement of Responsibility
A. Q. Talafha, S. M. Hirche, M. M. Ababneh, A. M. Al-Majali and M. M. Ababneh
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Abstract
A cross-sectional study was carried out to determine the seroprevalence and to identify risk factors associated with bovine viral diarrhea virus (BVDV) infection in 62 non-vaccinated dairy herds (671 cows) in Jordan between January and June 2007. Information regarding herd management was recorded through a personal interview with farmers. Antibodies against BVDV were detected using an indirect ELISA test. Chi-square analysis and multivariable logistic regression model were used to identify risk factors for BVDV seropositivity. The true prevalence of antibodies against BVDV in individual cows and cattle herds was 31.6% and 80.7%, respectively. The seroprevalence of BVDV in medium and large size herds was significantly higher than that in smaller herds. There was no significant difference in BVD seroprevalence between different age groups. Random-effects logistic regression model revealed two major factors associated with seropositivity to BVDV; exchange of visits between adjacent farm workers and not isolating newly purchased animals before addition to the herd. The seroprevalence of BVDV in cows located in the northern Jordanian governorates was significantly higher than that in other studied governorates. Results of this study indicated that BVDV is highly prevalent in Jordan and BVDV infection could be controlled by livestock-trade control, and applying strict biosecurity measures in the dairy farms.
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Copyright Springer Science + Business Media B.V. 2008