Abstract
A cross-sectional study was carried out to determine seroprevalence and to identify risk factors associated with Chlamydophila abortus infection in 62 nonvaccinated 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 C. abortus were detected using an ELISA test kit. Chi-square analysis and multivariable logistic regression model were used to identify risk factors associated with C. abortus seropositivity. The true prevalence of antibodies against C. abortus in individual cows and cattle herds were 19.9 % and 66.3 %, respectively. Univariable Chi-square analysis revealed three variables with P ≤ 0.25 that were further offered to multivariable logistic regression analysis. Small-sized herds were identified as a risk factor for seropositivity to C. abortus, while sweeping followed by water hosing and using disinfectants were identified as protective factors. Cows in the age groups of >8 and ≤10 years old and >2 and ≤6 years old had the highest and lowest significant seroprevalence to C. abortus, respectively. Results of this study indicated that C. abortus is highly prevalent in Jordan's dairy herds and Chlamydophila infection could be controlled by applying strict biosecurity measures in the dairy farms.
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We are very grateful to the farmers for their willingness to participate and to provide information about their animals. The study was financially supported by the Deanship of Research, Jordan University of Science and Technology, Irbid, Jordan.
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Talafha, A.Q., Ababneh, M.M., Ababneh, M.M. et al. Prevalence and risk factors associated with Chlamydophila abortus infection in dairy herds in Jordan. Trop Anim Health Prod 44, 1841–1846 (2012). https://doi.org/10.1007/s11250-012-0146-9
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DOI: https://doi.org/10.1007/s11250-012-0146-9