11 - Moraxella

Question 1

(Genus - Moraxella)

1. 10 species
2. what is species of interest?

what is reservoir?

3. causes what?
4. is infection unilateral or bilateral?

(name the animal in which each is found)

1. M. boevrei
2. M. canis
3. m. ovis

Answer 1

2. moraxella bovis

conjuctiva of cattle

3. keratoconjunctivitis (Pinkeye) aka New Forest Disease
4. can be either
5. Goats
6. upper resp tract of healthy dogs and cats
7. sheep

Question 2

(Moraxella)

(Moraxella Bovis)

1. gram?
2. oxygen?
3. shape?
4. motile?
5. ferment CHO?
6. require X and V factors?
7. beta hemolytic on blood agar?

Answer 2

1. negative
2. obligate aerobe
3. rods
4. no
5. no
6. no
7. yes

Question 3

1. fimbriae: aid in what?
2. enzymes: do what?

Answer 3

1. attachement to corneal epithelium
2. break down juctions between corneal epithelial cells - initiate inflammatory response

Question 4

Question 5

(susceptibility Moraxella Bovis)

1. cattle with little what are more affected?
2. what cow is less affected?

not affected?

3. what breed highly susceptible?
4. lower incidence in dairy or beef herds?

Answer 5

Question 6

Answer 6

Question 7