Lab 8- Acinobacillus Flashcards
(32 cards)
Habitat
Alimentary tract, respiratory tract, genial tract, mucous membranes
Species
A. Lignieresii A. Equuli A. Suis A. Seminis A. Ureae A. Pleuropneumoniae
Habitat a. Lignieresii
Mucous mem of alimentary tract
Calle+sheep= oral cavity, rumen
Morphology a. Lignieresii
1-1.2 um rods, filaments
Sulphur granules in lesions
Staining a. Lignieresii
Gram negative
Bipolar
Culture a. Lignieresii
Aerobic, faculative anaerobic,
Poor growth on nutrient agar, sticks to the agar !
Needs serum of blood
Biochem a. Lignieresii
Catalase +
Oxidase+
Fermentative
Antigens a. Lignieresii
Cell wall antigens, 6 serogroups
Resistance a. Lignieresii
Weak, even more weak than pasturella
Pathogenicity a. Lignieresii
Cattle, sheep, swine = actinobacillosis
Lesions in oral cavity, soft tissues
A. Equuli habitat
Horse, swine= alimentary tract, tonsils, respiratory tract
Morphology a. Equuli
1-2 um rod, filaments
Staining a. Equuli
Gram negative
Culture a. Equuli
Large, viscous colonies, some strains haemolysis
Fastidious
Resistance a. Equuli
Weak
Subspecies a. Equuli
A. Equuli subspecies equuli
A. Equuli subspecies haemolyticus
A. Equuli cause?
Foal= septicaemia, nephritis, pneumonia, arthritis Horse= pyosepticaemia Swine= septicaemia, arthritis
Habitat a. Suis
Swine mucous membranes, respiratory + genital tract
Staining/morphology a. Suis
Gram negative
Rods
Culture a. Suis
Blood agar
B hemolysis
Pathogenicity a. Suis
Swine= pneumonia, septicaemia, metritis
Suckling piglets= septicaemia
A. Seminis habitat
Mucous membranes, genital tract of rams, semen
Male animals
Culture a. Seminis
10% co2 + blood agar
Pathogenicity a. Seminis
Facultative pathogenic
Inflammation of accessory glands, epidydimis, abortion
