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EPI PQ > MT4 - Respiratory pasteurellosis of cattle (W) > Flashcards

MT4 - Respiratory pasteurellosis of cattle (W) Flashcards

1
Q

Pasteurella bovis can cause pasteurellosis in cattle

A

F

- P. multocida A, (D), M. haemolytica A1, A2

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2
Q

Diarrhoea is the main clinical sign of bovine pasteurellosis

A

F

fever, anorexia, nasal/ ocular discharge , death

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3
Q

Overcrowding is a predisposing factor of respiratory pasteurellosis of cattle

A

T

  • transportation
  • starvation, cold, thirst
  • nutrition, overcrowding
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4
Q

The lesions of respiratory pasteurellosis of calves are generally in the diaphragmatic lobes

A

F

mainly in the anterior lobes ( fibrinous pneumonia)

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5
Q

Dermonecrotoxin of the agents is responsible for the clinical signs of respiratory pasteurellosis of cattle

A

F

-A2 P. multocida A, (D)- M. haemolytica A1

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6
Q

Primary pasteurellosis diseases are caused by obligate pathogenic Pasteurella bacteria

A

F

facultatively anaerobic: they can survive with or without oxygen

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7
Q

Respiratory pasteurellosis occurs only among cattle above 6 months of age

A

F

1-3 months (endemic form)

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8
Q

Toxoid vaccines can be used for the prevention of respiratory pasteurellosis of cattle

A

T

Toxoid vaccines (M. haemolytica)
killed vaccines: (P. multocida, M. haemolytica, H. somni)

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9
Q

The lesions of respiratory pasteurellosis of calves are generally in the diaphragmatic lobes

A

F

mainly in the anterior lobes ( fibrinous pneumonia)

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10
Q

Pasteurella multocida can cause pasteurellosis in cattle

A

T

* P. multocida A, (D), M. haemolytica A1, A2

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11
Q

mannheimia haemolytica can cause respiratory pasteurellosis of calves

A

T

* P. multocida A, (D), M. haemolytica A1, A2

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12
Q

Mannheimia haemolytica can cause pasteurellosis in cattle

A

T

* P. multocida A, (D), M. haemolytica A1, A2

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13
Q

Respiratory pasteurellosis can occur after transport.

A

T

  • starvation, cold, thirst
  • nutrition, overcrowding
  • transportation
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14
Q

Mannheimia haemolytica is an important agent of shipping fever

A

T

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15
Q

Leukotoxin of M. haemolytica damages the alveolar macrophages

A

T

M. haemolytica
- cytotoxin production–> damage of the macrophages
- production of prostaglandin, mediators
- formation of thrombi, necrosis

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16
Q

Interstitial pneumonia is a frequent post mortem lesion of pulmonary pasteurellosis of cattle

A

F

it is not a frequent PM

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17
Q

The pneumonic lesions in the case of pulmonary pasteurellosis of cattle can be seen mainly
in the diaphragmatic lobe.

A

F

mainly in the anterior lobes ( fibrinous pneumonia)

18
Q

Salmonellosis can predispose cattle to pasteurellosis

A

F

infectious predisposing factors:
- virus infections (PI-3, IBR, adenoviruses, RS, BVD)
- Mycoplasma, Chlamydia

19
Q

Transportation can predispose cattle to pasteurellosis

A

T

  • transportation
  • starvation, cold, thirst
  • nutrition, overcrowding
20
Q

Bovine pasteurellosis cannot be prevented with vaccination.

A

F

  • toxoid vaccines: M. haemolytica
  • killed vaccines: P.multocida
21
Q

Respiratory pasteurellosis has been already eradicated in Europe

A

F

worldwide

22
Q

Mannheimia haemolytica is a causative agent of respiratory pasteurellosis

A

T

23
Q

Transportation is a predisposing factor of respiratory pasteurellosis of cattle.

A

T

  • transportation
  • starvation, cold, thirst
  • nutrition, overcrowding
24
Q

There are no vaccines for the prevention of respiratory pasteurellosis of cattle

A

F

  • toxoid vaccines: M. haemolytica
  • killed vaccines: P.multocida
25
Q

Mycoplasmas can predispose cattle to respiratory pasteurellosis

A

T

infectious predisposing factors:
- virus infections (PI-3, IBR, adenoviruses, RS, BVD)
- Mycoplasma, Chlamydia

26
Q

The lesions of bovine respiratory pasteurellosis are generally seen in the diaphragmatic
lobes

A

F

mainly in the anterior lobes: fibrinous pneumonia

27
Q

Respiratory pasteurellosis in cattle is caused by P. multocida A and M. haemolytica A

A

T

28
Q

Most importance virulence factor of M. haemolytica is leukotoxin

A

T

Leukotoxin is responsible for damaging leukocytes (white blood cells)

29
Q

Respiratory pasteurellosis in cattle is a common disease of young animals.

A

T

30
Q

Macrolides are recommended to use in case of respiratory pasteurellosis in cattle.

A

T

Treatment:
- isolation of clinically ill animals
- antibiotic treatment: tetracyclines, fluoroquinolones, macrolides
- elimination of predisposing factors

31
Q

Respiratory pasteurellosis of cattle appears in calves aged 1-3 months old

A

T

32
Q

Respiratory pasteurellosis of cattle causes a fibrinous inflammation of serous membranes

A

T

33
Q

Leukotoxin of M. haemolytica strains responsible for Pasteurella pneumonia attacks respiratory epithelium.

A

T

34
Q

Respiratory pasturellosis of cattle are mostly seen in the tropics

A

F

35
Q

Respiratory pasteurellosis of cattle causes purulent pneumonia.

A

T

36
Q

We can use ELISA to diagnose respiratory pasteurellosis in cattle

A

T

detection of the agent:
- isolation, identification
- IF, PCR

detection of antibodies:
- ELISA, immunoblot, passive HA

detection of possible primary pathogens:
- direct detection of the agents
- serology (paired samples)

37
Q

A predisposing factor of respiratory pasteurellosis in cattle is transport.

A

T

38
Q

A predisposing factor of respiratory pasteurellosis in cattle is the presence of a viral infection.

A

T

virus infections:
- PI-3, IBR, adenoviruses
- RS, BVD
- Mycoplasma, Chlamydia

39
Q

Lesions of respiratory pasteurellosis of calves are seen in the anterior lobes

A

T

40
Q

Vaccination is widely used for prevention of bovine respiratory pasteurellosis..

A

T

EPI PQ (81 decks)

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