Diagnostic tests, test performance, and considerations for interpretation

Jane Christopher-Hennings, Gene A. Erickson, Richard A. Hesse, Eric A. Nelson, Stephanie Rossow, Joy Scaria, Durda Slavic

Research output: Chapter in Book/Report/Conference proceedingChapter

7 Scopus citations


This chapter describes common tests used for the diagnosis of swine diseases or surveillance of swine pathogens and is intended to help determine the appropriate test and interpretation of results for swine diseases. Before submitting samples for culture, it is important for clinicians to know how diagnostic laboratories process samples. There are a variety of artificial media, temperatures, and growth conditions that can be used to obtain bacterial growth from clinical samples. The conditions used primarily depend on sample type, animal age, and clinical history. Therefore, it is very important that the referring veterinarian provides this information at the time of sample submission to help guide sample setup and interpretation of results. The next step is to select the appropriate bacterial test(s) if this option is available. Some laboratories offer a variety of bacterial cultures to help veterinarians make the selection at the time of sample submission.

Original languageEnglish (US)
Title of host publicationDiseases of Swine
Number of pages23
ISBN (Electronic)9781119350927
ISBN (Print)9781119350859
StatePublished - Mar 29 2019

Bibliographical note

Publisher Copyright:
© 2019 John Wiley & Sons, Inc.


  • Bacterial test
  • Diagnostic tests
  • Swine diseases
  • Swine pathogens
  • Swine veterinarians
  • Test performance


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