10 - Haemophilus Flashcards Preview

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Flashcards in 10 - Haemophilus Deck (17)
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1

(Haemophilus)

1. gram?

2. shape?

3. sometimes form what?

4. motile?

5. spore forming?

6. oxygen?

7. capsules?

1. negative

2. coccobacillary rods (pleomorphic)

3. long filaments

4. no

5. no

6. aerobic and facultatively anaerobic

7. yes

2

(Haemophilus)

1. most species require on or both of the folliwing factors for growth... what are they?

1. X factor (haemin)

2. V factor (Co enzyme 1)

nicotinamide adenine dinucleotide (NAD+)

3

(Haemophilus)

1. Most species are associated with humans and animals as what?

2. some are potential pathogens

1. COMMENSALS on mucus membranes of the upper digestive, respiratory and genital tracts

4

(Haemophilus)

1. what are two modes of infection?

1. inhalation, fomites

5

(GENUS: HAEMOPHILUS)

(Haemophilus Parasuis)

(Glasser's disease)

1. fibrinous inflammation of serous membranes

2. lesions on pericardium, pleura, peritoneum, joints

3. Usually occur in what?

 

3. young pigs (weaning, transport, management stress)

6

7

8

9

(Genus. HISTOPHILUS)

(Histophilus Somni)

1. what in cattle?

2. involves what?

3. DOES IT REQUIRE X an V factors?

1. infectious thromboembolic meningoencephalitis (TEME)

2. CNS

3. NO

10

(Genus. HISTOPHILUS)

(Histophilus Somni)

1. Colonizes what to get into what?

2. causes what?

3. adheres to vascular endothelial cells resulting in what?

4. Localises in what?

5. Causes respiratory distress - pneumonia

7. fever, staggering, knuckling of fetlocks (flexing of fetlock joints), stiffness paralysis death

1. nasal cavity, to get into blood

2. bacteremia (causes cerebral thrombus)

3. damage and exposure of subendothelial collagen followed by platelet aggregation and thrombus

4. CNS

11

(Genus. HISTOPHILUS)

(Histophilus Somni)

1. get joint infections --> arthritis

2. reproductive failure

3. endometritis

4. late abortion

5. more than one syndrome may be seen in the same animal

6. mastitis - sometimes

12

Genus. HISTOPHILUS)

(Histophilus Somni)

(TEME)

1. brains contain hemorrhagic areas

2. firbin thrombi in blood vessels of brain and meninges

13

(Histophilus Somni)

(predisopsing factors for TEME)

stress of shipping, climactic change, crowded conditions

14

15

(Avibacterium)

(Avibacterium Paragallinarum)

1. requires x and v factors?

2. gram?

3. motile?

4. capsules?

5. bi-polar?

6. what in chickens?

7. acute or chronic?

1. yes

2. neg

3. no

4. yes

5. yes

6. infectious coryza

7. either

16

What serves as the main reservior of infection?

carrier birds

17

there are a bunch of lesions and stuff you may want to look at as well