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Flashcards in Pasturella Deck (44)
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1

Pasturella general stuff

Oxidase positive
Facultative anaerobes
Small, gram negative rods that are non-motile

2

What are the Pasturella species we covered? (4)

Pasturella multocida
Pasturella pneumotropica
Pasturella aerogenes
Pasturella caballi

3

Where is the natural site for Pasturella multocida?

Upper respiratory tract and oral cavity

4

T/F Pasturella multocida is a foreign bacteria in animals

FALSE; it is considered normal flora of a lot of animals

5

What are the three subspecies of Pasturella multocida?

Pasturella multocida supspecies multocida
Pasturella multocida subspecies septica
Pasturella multocida subspecies gallicida

6

Pasturella multocida subspecies _______ seems to be more common than the other two

multocida

7

Describe the Pasturella multocida colony:

Can vary depending on what capsular type it is; in general they are very mucoid and have a musty smell.
Also tend to be smooth and flat.
Colonies are non-hemolytic and tend to turn BAP green

8

What are the antigens of Pasturella multocida?

Capsular antigen
Somatic antigen

9

The ______ antigen is used to break Pasturella multocida into groups A,B,E, and D

capsular

10

Describe the appearance of each type of Capsular antigen

Type A: very mucoid; this is the most common one in respiratory conditions in US
Type B & E: Slighly less mucoid
Type D: Smaller colonies and non-mucoid

11

Cattle infected by Pasturella multocida Type ____ will likely be suffering of signs consistent with shipping fever pneumonia

A

12

T/F Pasturella multocida Type A is usually the primary cause of disease in cattle

FALSE: usually secondary to predisposing factor, like stress, BVD, or something else

13

A producer brings a calf in to your clinic and is worried about Pasturella multocia Type A infections. Would you vaccinate this calf? With what?

Yes, bacterins are routinely given
Have to give at least two doses
MLV are NEVER given, they either don't work or are too toxic

14

Cattle see infections from Pasturella multocida types:

A, B, and E

15

Pasturella multocida Types ___ & ____ cause hemorrhagic septicemia in tropical and subtropical areas of the world

B and E

16

____________ causes an acute respiratory and septicemic disease commonly seen in buffalo, bison, elk, and deer during the rainy season

Pasturella multocida Type B & E

17

Pasturella multocida Type _____ is only seen in Africa in cattle:

E

18

Pasturella multocida Type _____ has been isolated from bison in Yellowstone

B

19

Pasturella multocida Type ____ and _____ are commonly seen in swine

A and D

20

__________ causes pneumonia with lesions in the lung of pigs

Pasturella multocida Type A

21

Pasturella multocida type _____ is a toxigenic strain that can cause turbinate atrophy

D

22

___________ often works with association of Bordatella bronchoseptica to produce atrophic rhinitis

Pasturella multocida type D

23

Pasurella multocida cytotoxin directly supresses______ of the pig

growth

24

The Pasturella multocida cytotoxin directly activates what? This does what?

G-protein; affects the osteoblastic/osteoclastic activity resulting in bone loss

25

Should a pig producer be vaccinating for Pasturella multocida?

Eh. They could be most have ridded their herds of it. If they did they would need to supplement Bordatella bronchiseptica

26

Pasturella multocida type _____ causes mastitis and pneumonia in sheep

A

27

T/F Pasturella multocida type A is more of a concern for sheep producers than M. haemolytica

FALSE; its the opposite

28

_______ is the common cause of fowl cholera

Pasturella multocida type A

29

Pasturella multocida Type A causes what clinical signs in birds?

acute septicemia and death in the birds

30

T/F Pasturella multocida type B is one of the main bacterial causes of economic losses in poultry herds

FALSE; It is Pasturella multocida Type A, which is the cause of fowl cholera