Reference Tables

Bacterial Organisms by Site: Swine [Farm Animal]

(* = most common differential diagnoses)

Site Bacterial Organisms
Bacteremia
  • Streptococcus suis*
  • Erysipelothrix rhusiopathiae*
  • Escherichia coli
  • Salmonella enterica
  • Haemophilus parasuis
  • Actinobacillus suis
Gastrointestinal
  • Escherichia coli (enterotoxigenic in piglets)*
  • Salmonella enterica*
  • Lawsonia intracellularis*
  • Clostridium spp.
  • Brachyspira hyodysenteriae*
Integument
  • Staphylococcus hyicus*
  • Erysipelothrix rhusiopathiae*
Joints
  • Streptococcus suis*
  • Erysipelothrix rhusiopathiae*
  • Escherichia coli
  • Salmonella enterica
  • Haemophilus parasuis
  • Actinobacillus suis
  • Mycoplasma hyosynoviae
Polyserositis
  • Haemophilus parasuis*
Reproductive Tract
  • Brucella suis (regulatory disease)*
  • Leptospira spp.*
Respiratory Tract
  • Actinobacillus pleuropneumoniae*
  • Streptococcus suis
  • Bordetella bronchiseptica (lower and upper respiratory tract)*
  • Actinobacillus suis
  • Haemophilus parasuis
  • Mycoplasma hyopneumoniae
  • Pasteurella multocida (upper respiratory tract)*

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