Moraxella are ____ gram negative rods that are catalase and oxidase ____
What species of Moraxella is most important?
What does Moraxella Bovis cause in Cows?
infectious bovine keratoconjunctivitis
Is eye infection is cows infectious?
easily transmitted from one cow to the next
What is necessary for virulence in Moraxella?
Cytotoxin and Fimbriae
Fimbria help with what in Moraxella?
adherance to the conjunctival and corneal cells
Moraxella lacks a ____ but still acts like normal LPS
O repeat unit
What is the main toxin in Moraxella bovis?
Moraxella bovis toxin
*cytotoxin causes beta hemolysis on blood agar
True/False: Morexlla is resistant to antibiotics
susceptible to antibiotics
non ____ variants are nonpathogenic
What exacerbates the condition in Moraxella?
co infections- Bovine herpes, adenovirus, mycoplasma ect.
Infectious Bovine Keratoconjunctivits causes what in cows?
*if not taken care of this disease can progress and allow other opporunistic infections to occur
Moraxella conjunctivitis takes a long time to heal and looks similar to ____
what can you see in advanced cases of Conjunctivits in cows?
chronic purulent and ulcerative keratitis
Who is more predisposed for Moraxella infection?
beef cattle are more susceptible
animals that lack eyelid pigmentation
Which antibody is more prevalent with Moraxella?
mucosal surface of eye
Virulent Moraxella bovis are ____ and ____
fimbriated and hemolytic
Treatment for Moraxella?
Remove cows from areas that could cause them to get dust and flies in their eyes
give antimicrobial drugs