Detection of bovine leukemia virus antibodies in bulk tank milk using an ELISA test: improvement of the predictive value of results by repeated testing |
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| Authors: | M Eloit F Lamy M Glevarec F Galaup R Turmel A Vigouroux J J Benet B Toma |
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| Affiliation: | Ecole Vétérinaire, Service des Maladies Contagieuses, Maisons-Alfort, France. |
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| Abstract: | In 9457 dairy farms located in an area with low prevalence of bovine leukemia virus (BLV) infection, bulk tank milk was examined to detect for the presence of antibodies using an ELISA test. If the result was positive or doubtful, serum of all animals in the farm was tested and bulk tank milk was tested again five times every 8-12 days. The results were used to establish decision rules in the event of a positive or doubtful result during mass screening. |
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