Avibacterium (H) paragallinarium Flashcards
1
Q
what animal is it specific for
A
avian species
2
Q
at blood factors does it require, hemolysis?
A
V (NAD) factor only
non hemolytic
3
Q
disease
A
fowl coryza (acute rhinitis)
4
Q
lesions of fowl coryza
A
inflammation of turbinates and sinus epithelium
airsacculitis
5
Q
virulence
A
capsule
LPS
adherenace
membrane proteins
exotoxins not recognized
6
Q
any exotoxins
A
exotoxins not recognized
7
Q
compromising factors
A
viral
mycoplasma
stress
disease predominately due to host inflammation
8
Q
immunity
A
antibodies to capsule, LOS, membrane proteins
humoral immunity most important
9
Q
what type of immunity is most important
A
humoral immunity is most important
10
Q
vaccination
A
bacterins (serotypes A, B, C)
purified capsules nonimmunogenic