Pasteurellaceae Flashcards
What disease patterns do members of the genus Actinobacillus cause in small ruminants?
Ulcerative lesions of the skin and mammary glands
What metabolic feature is useful in identifying bacteria in the family Pasteurellaceae?
They are oxidase posititve
(have cytochrome c oxidase)
Which type of agar should be used to culture Haemophilus felis?
Chocolate agar
What disease patterns do members of the genus Actinobacillus cause in pigs?
Pneumonia, endocarditis, arthritis, and abortion
What disease pattern do members of the genus Actinobacillus cause in cats and dogs?
Wound infections
What disease patterns do members of the genus Histophilus cause in small ruminants?
Pneumonia, septicemia, mastitis, epididymitis
How are Pasteurella infections treated and prevented?
Antibiotics- tetracycline, aminoglycosides
Vaccines available for adult cattle, calves, and pigs
What disease patterns do members of the genus Haemophilus cause in pigs?
Pneumonia, serositis, meningitis (“Glässer’s disease”)
What disease patterns do members of the genus Pasturella cause in lagomorphs?
Rhinosinusitis (“snuffles”), genital infections
What is a causative agent of pneumonia in horses in the genus Actinobacillus?
Actinobacillus equuli haemolytica
How are Haemophilus infections treated and prevented?
Treatment- antibiotics, depopulate infected flocks
Prevention- vaccine available for breeding flocks
How are Actinobacillus infections treated and prevented?
Treatment- “Wooden tongue”- treat with topical iodine, antibiotics
Prevention- vaccine available for pigs, minimize contact between piglets and adults,
good foaling hygiene
What disease patterns do members of the genus Pasturella cause in dogs and cats?
Wound infections (from licking), pyothorax
What disease patterns do members of the genus Pasturella cause in birds?
Rales, oculonasal discharge, “avian cholera”
Where are Pasteurella and Mannheimia haemolytica usually found?
How are these bacteria transmitted?
Normally found in the oral cavity and upper respiratory tract of healthy animals
Spread through saliva and coughing/sneezing
Atrophic rhinitis in pigs can be caused by coinfection of which two organisms?
Pasturella multocida and Bordetella bronchisepta
What disease patterns do members of the genus Haemophilus cause in birds?
Coryza
(acute inflammation of the upper respiratory tract)
What disease patterns do members of the genus Haemophilus cause in cats and dogs?
Conjunctivits (usually uncomplicated), cystitis, septicemia
What is the causative agent of shipping fever in large ruminants?
Mannheimia haemolytica
Respiratory infections caused by Pasturella can be complicated by co-infection with which organism?
Bordetella bronchisepta
Which organism causes spreading granuloma, or “wooden tongue,” in large ruminants?
Actinobacillus lignieresii
What disease patterns do members of the genus Actinobacillus cause in horses?
Pneumonia, neonatal septicemia, and endotoxemia
What is the morphology of Actinobacillus colonies? What do they resemble?
Have a star-like appearance
“actino-“- radiated
What disease patterns do members of the genus Histophilus cause in large ruminants?
Thromboembolic meningoencephalitis (TEME)
Pneumonia, septicemia, abortion
How are Histophilus infections treated and prevented?
Treatment- antibiotics
Prevention- vaccine available for cows
What disease patterns do members of the genus Pasturella cause in horses?
Respiratory diseases
What disease patterns do members of the genus Pasturella cause in pigs?
Pneumonia, atrophic rhinitis
What is a causative agent of neonatal septicemia in foals in the genus Actinobacillus?
Actinobacillus equuli equuli
What disease patterns do members of the genus Pasturella cause in ruminants?
Pnuemonia (“shipping fever”), septicemia, mastitis
