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Bulletin No. 17 - Winter 2003
Miscelleanous- No Category
TORREMORELL M
Monitoring herds: serological variability, accuracy and reliability.
Allen D. Leman Swine Conference 2003: 99-102
BO98446,br> Serological tests are not and cannot be perfect tools with 100% sensitivity and 100% specificity. When monitoring herds one should be aware of the limitations of the serological tests he uses and know how to overcome them. When in doubt or when the results of a test may have severe consequences on the herd, a strategy consists in retesting the population with the same test or with another test that uses different physical properties. It is also possible to increase the sample size or to change the frequency of sampling. However, when implementing a monitoring program it is necessary to consider the costs and to have a comprehensive understanding of how to interpret the results.
