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Measuring antibody levels in bulk-tank milk as an epidemiological tool to search for the status of Coxiella burnetii in dairy sheep

  • F. RUIZ-FONS (a1), I. ASTOBIZA (a1), J. F. BARANDIKA (a1), R. A. JUSTE (a1), A. HURTADO (a1) and A. L. GARCÍA-PÉREZ (a1)...

Summary

Pooling samples may provide a valuable alternative to individual testing for pathogen surveillance purposes. We studied the reliability of measuring the level of antibodies against Coxiella burnetii in bulk-tank milk (BTM) to estimate the seroprevalence of C. burnetii in dairy sheep in 34 flocks. We then estimated the seroprevalence of C. burnetii in 154 dairy sheep flocks according to the level of antibodies in BTM. We tested for the accuracy of our estimation at the population level by comparing predicted mean C. burnetii flock seroprevalence with that obtained in another survey performed on the same population. Our findings showed that testing BTM by ELISA is a cost-effective and relatively good index of the seroprevalence of C. burnetii in dairy sheep and may be a useful tool for epidemiological surveillance at the population level.

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Copyright

Corresponding author

*Author for correspondence: Dr A. L. García-Pérez, NEIKER–Instituto Vasco de Investigación y Desarrollo Agrario, Department of Animal Health, Berreaga 1, 48160 Derio, Bizkaia, Spain. (Email: agarcia@neiker.net)

References

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Keywords

Measuring antibody levels in bulk-tank milk as an epidemiological tool to search for the status of Coxiella burnetii in dairy sheep

  • F. RUIZ-FONS (a1), I. ASTOBIZA (a1), J. F. BARANDIKA (a1), R. A. JUSTE (a1), A. HURTADO (a1) and A. L. GARCÍA-PÉREZ (a1)...

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