08 - Pasteurella Flashcards Preview

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Flashcards in 08 - Pasteurella Deck (24)
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1

(Pasteurella - Important Characterisitcs)

1. how big?

2. Gram?

3. pleomorphic (vary in size and form) - have capsules?

4. oxygen use?

5. motile?

6. spore forming?

7. how do they grow in presence of bile salts?

8. attach CHO? grow on blood agar?

9. ferment sucrose? grow on McConkey's agar?

10. catalase positive? oxidase positive?

1. very small (0.2 X 1-2 um) 

2. negative, non-acid fast bacterial rods or coccobacilli

3. in virulent form

4. aerobic or facultatively anaerobic

5. no

6. no

7. not well

8. weakly; yes

9. yes, no

10. both positive

2

(Pasteurella)

1. Grow best in what?

2. Colonies look like what?

3. colonies have what odor?

1. media supplemented with blood and serum

2. round, grayish, mucoid (produce thick hyaluronic acid capsule)

3. fruitish or sweet 

3

(Pasteurella)

1. Paseurella multocida - can infect what?

2. Found where in a wide variety of animals?

3. 50% of tonsils of normal dogs

4. isolated from nasopharynx of healthy humans

1. many different animal species

2. upper respiratory tract

4

5

(Pasteurella multocida)

1. Serotypes - identified on what basis?

2. Capsular types are subdivided further into somatic types

how many types identified so far?

3. serotype is described by stating what?

4. What are the most prevalent capsule type?

1. of differences in capsular Polysaccharides and cell wall lipopolysaccharides

2. 16

3. both somatic and capsular groups (eg Serotype 6:A)

4. type A

6

(Pasteurella Multocida)

1. P. multocida survive and remain virulent in dried blood for how long?

2. Survive in carcass how long?

3. What are vectors for P. multocida?

4. transmission?

1. about 3 weeks

2. as long as eighteen months

3. raccoons, skunks, wild fowl

4. airborne droplets, contaminated feed and water

7

(Pasteurella multocida)

1. normally present as normal flora where?

2. When resistance of the animal is reduced by viral, mycoplasma, other bacterial infection(s) damage mucociliary clearance mechanisms in the trachea and bronchi, or shipment, poor nutrition, weather or overcrowding, Pasteurella multocida acts as a what?

1. in the oropharynx

2. secondary invader (pneumonic pasterurllosis)

8

(Pasteurella Multocida)

(Aves - Bird)

1. Presence is almost invariably associated with what?

2. Do healthy birds carry the organism?

3. affects which birds?

4. which is more susceptible... chickens or turkeys?

5. waterfowl, pigeons are highly susceptible

1. acute or chronic disease

2. NO

3. all types

4. turkeys

9

(Pasteurella Multocida)

(Diseases, Clinical Signs and Pathogenesis)

(Hemorrhagic Septicemia)

(Cattle)

1. Disease of ruminant Bovids (Cattle, Camels, goats, sheep)

2. rainy season, tropical, sub-tropical regions

3. high fever (105-107)

4. dysentery, edema of the throat, neck and brisket

5. High mortality?

6. survivors can show what?

7. Blood stained fluid accumulation

5. yes - many die within 24 hours of onset

6. pneumonia

10

(Pasteurella Multocida)

(Diseases, Clinical Signs and Pathogenesis)

(Hemorrhagic Septicemia)

(Cattle)

 

11

(Paseurella Multocida - cattle Diagnosis)

 

(Disinfect with 0.5% phenol)

12

(Paseurella Multocida)

(Diseases, Clinical Signs, and Pathogenesis)

(Avies)

(Fowl Cholera)

1. affects what?

2. do heatlhy birds carry the organism?

3. turkeys or chickens more susceptible?

1. domestic poultry and wild birds

2. NO

3. turkeys

13

(Pasteurella Multocida in pet birds)

1. often isolated from pets or wild birds that are what?

2. this organism is common where?

3. Birds that are bitten by cats should receive prompt attention. Fatal septicemia can develop rapidly if untreated

1. attacked by wild cats

2. in cat's mouth

14

(Pasteurella Multocia)

(Avies)

1. are turkeys or chickens more susceptible?

2. are older or younger chickens more suseptible?

3. chornically infected birds considered major source of infection

4. Dissemination within flock primarily by what?

1. turkeys

2. older

some breeds of chicken are more susceptible

4. excretions from mouth, nose, and conjuctiva of diseased birds that contaminate their environment

15

16

17

(Fowl Cholera in Birds - Diagnosis)

 

18

19

20

21

22

23

(Paseurella Mutlocida)

1. Common in mouth and throat of healthy dogs and cats

2. Do canine and feline strains play an important pathogenic role in their natural hosts?

3. PM is one of the bacterial organisms isolated from what?

2. no

3. bite abscesses or cellulitis lesions

24

(Pasteurella Multocida)

1. Humans are accidental hosts

2. Acquire from what?

3. infection is limited to what?

4. P. Canis most commonly isolated from what?

5. P. multocida sub species multocida and septica- most commoly isolated from what?

2. cat or dog bits

3. wound site

4. dog bites

5. cat bites