Salmonella spp

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Sections available in full article Classification, Distribution, Significance, Active Forms, Active Form 1, Clinical Effects, Epidemiology, Pathological effects, Other Host Effects, Control, Diagnosis, Useful samples, Specimen storage, Transport of samples, Laboratory diagnosis, Sources, Publications, Vetstream contributor(s),
Contributors Dr Richard Walker DVM PhD MPVM DipACVM

Classification


Taxonomy

  • Genus Salmonella .
  • Family Enterobacteriaceae .

Etymology

  • Genus discovered by American biologist, Theobald Smith; named after his laboratory chief and co-author, D E Salmon.

Distribution

  • Worldwide.

Significance

  • Reservoir of organism in gastrointestinal tract of warm- and cold-blooded animals.
  • Most infected animals become subclinical excretors.
  • Organisms may survive for months in moist soil, vegetation and water; found in animal and human foods, particularly those containing milk, egg or meat derived products.
  • After ingestion, organism adheres to target cells of distal small intestine   →   may cause diarrhea and/or septicemia.

Sources

Publications

  • Tauni M A & Osterlund A (2000)Outbreak of Salmonella typhimurium in cats and humans associated with infection in wild birds.JSAP41(8), 339.
  • Lax A J, Barrow P A, Jones P W & Wallis T S (1995)Current perspectives in salmonellosis.Brit Vet J151, 351-377.
  • Potter M E (1993)The changing face of foodbourne disease.JAVMA201, 250-252.
  • Willard M Det al(1987)Gastrointestinal zoonoses.Vet Clin North Am Small Animal Pract17(1), 145-178.

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