26: Actinobacillus spp Flashcards
Environment
Facultative anaerobes
Ferment
Carbohydrates
Produces
Acid but not gas (carbohydrate fermentation)
Family of
Pasteurellaceae
Lesions in the tongue
Actinobacillus lignieresii
Lymph nodes
Actinobacillus lignieresii
Ruminal wall
A. lignieressi
Skin (cattle and sheep)
A. lignieressi
Granulomatous mastitis in pigs
A. lignieresii
Pleuropneumonia in pigs
Actinobacillus pleuropneumoniae
Septicemia, enteritis (foals)
Actinobacillus equuli
Septicemia (piglets)
A. equuli
Arthritis pigs
A. equuli
Enteritis in
Pig and calves- A. equuli
Abortion in
Mares- A. equuli
Septicemia, pneumonia in piglets and foals
A. suis
Pneumonia (pigs and horse)
A. suis
Epididymitis (rams)
A. seminis
Polyarthritis in
Lambs - A. seminis
Negative for haemolysis on sheep blood agar
A. lignieresii
Subspecie of A. equuli positive for haemolysis
A. equuli subsp. haemolyticus
Cohesive colony type
Except A. pleuropneumoniae (variable)
Positive for MacConkey agar
Except A. pleuropneumoniae
Positive for CAMP test of S. aureus
Only A. pleuropneumoniae
Positive for oxidase
Except A. pleuropneumoniae (variable)
Positive for catalase
A. lignieresii (+)
A. suis (+)
A. pleuropneumoniae (v)
A. equuli (v)
Positive for Urease production
All
Positive for aesculin
A. suis
Positive for L-arabinose
Only A. suis
Positive for lactose
Except A. pleuropneumoniae
Slow reaction for lactose
A. lingnieresii
Positive for maltose
All
Positive for mannitol
A. lignieresii (+)
A. equuli (+)
A. suis (-)
A. pleuropneumoniae (variable)
Positive for melibiose
A. equuli, A. suis
Positive for salicin
Only A. suis
Positive for sucrose
All
Positive for trehalose
A. equuli and A. suis
Species included
A. lignieresii
A. pleuropneumoniae
A. equuli
A. suis
A. seminis