Nutrition and immunology of swine

Rodney W. Johnson, Jeffery Escobar, Douglas M. Webel

Research output: Chapter in Book/Report/Conference proceedingChapter


In modern, high-density production systems, swine live surrounded by pathogenic microorganisms - bacteria, viruses, and parasites that can cause infectious disease or pathology. Nonetheless, pigs become ill relatively infrequently because they are equipped with a highly evolved immune system that affords protection against infectious microorganisms. This protection can be costly, however, as a number of studies have established that animals reared in unsanitary environments that afford a high level of host-pathogen interaction grow more slowly and consume less feed than animals reared in more sanitary environments (Coates et al., 1963; Roura et al., 1992; Williams et al., 1997b). The view is that nutrients that might have otherwise gone to support growth are redirected to support the host’s defenses against pathogenic microorganisms.

Original languageEnglish (US)
Title of host publicationSwine Nutrition, Second Edition
PublisherCRC Press
Number of pages18
ISBN (Electronic)9781420041842
ISBN (Print)9780849306969
StatePublished - Jan 1 2000

ASJC Scopus subject areas

  • General Agricultural and Biological Sciences
  • General Veterinary
  • General Medicine


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