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Epidemiological evaluation of a monoclonal ELISA detecting antibodies against bovine leukaemia virus in serum pools

Published online by Cambridge University Press:  19 October 2009

K. Knapen
Affiliation:
National Institute for Veterinary Research, 99 Groeselenberg, B-1180 Brussels, Belgium
P. Kerkhofs
Affiliation:
National Institute for Veterinary Research, 99 Groeselenberg, B-1180 Brussels, Belgium
E. Thiry
Affiliation:
Department of Virology, Faculty of Veterinary Medicine, University of Liège, Sart-Tilman, B-4000 Liége, Belgium
M. Mammerickx
Affiliation:
National Institute for Veterinary Research, 99 Groeselenberg, B-1180 Brussels, Belgium
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Summary

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Sensitivity, specificity and predictive values of an enzyme-linked immunosorbent assay (ELISA) for detecting antibodies against bovine leukaemia virus (BLV) were evaluated using a representative sample of 145 serum pools, comprising from 3 to 48 individual sera. The sample was constituted according to the frequency distribution of the negative and positive pools analysed during a screening involving the whole cattle population of Belgium. Sensitivity and specificity were estimated to 88·9% and 100% and the predicted negative and positive values were 99·9% and 100%, respectively. These results indicate the use of serum pools is suitable for the detection of BLV infected herds in eradication campaigns.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1994

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