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Epidemiology - MIDTERM 4 PQS > PQS - Fowl cholera✅ > Flashcards

PQS - Fowl cholera✅ Flashcards

1
Q

Fowl cholera is caused by Pasteurella multocida A, D and F strains

A

T

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2
Q

Fowl cholera can occur is ducks and geese

A

T

Watefowls are more susceptible

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3
Q

The agent of fowl cholera can survive in water for a few days

A

T

even though the resistance is low, the water can protect the bacteria and it can survive for weeks

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4
Q

Fowl cholera is caused by Pasteurella gallinarum

A

F

P. multocida

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5
Q

The mortality of fowl cholera is low

A

F

high morbidity and high mortality

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6
Q

Arthritis is a clinical sign of fowl cholera

A

T

chronic form

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7
Q

The resistance of the agent of fowl cholera is low

A

T

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8
Q

Fowl cholera occurs mainly in the winter in Europe

A

F

more common at warmer climate, in Europe its seen during summer and early autumn

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9
Q

Pasteurella multocida strains with lower virulence can cause chronic fowl cholera

A

T

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10
Q

The most severe form of fowl cholera occurs in day-old birds

A

F

Cannot be seen in day-old birds

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11
Q

Waterfowl is more susceptible to fowl cholera than hens

A

T

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12
Q

Focal inflammation and necrosis in the liver is a common postmortem lesion on of fowl cholera

A

T

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13
Q

Wild birds can introduce the agent of fowl cholera into a herd

A

T

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14
Q

Fowl cholera has an exponential mortality rate

A

T

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15
Q

Fowl cholera is a generalized disease it causes septicaemia

A

T

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16
Q

Animals recovered after fowl cholera remain bacterium carriers

A

T

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17
Q

The dermonecrotoxin of the agent is responsible for the clinical sign of fowl cholera

A

F

Hyaluronic capsule is responsible

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18
Q

Vaccine for the prevention of fowl cholera provide type specific protection

A

T

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19
Q

The agent of fowl cholera is an obligate pathogenic bacterium

A

F

Facultative

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20
Q

Antibiotics cannot be used for the treatment of fowl cholera

A

F

BUT time is crucial !!

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21
Q

human can introduce the agent of fowl cholera into a herd

A

T

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22
Q

Per os antibiotic treatment must be used in the case of fowl cholera

A

T

mainly used, due to mass treatment and that humans can transmit the disease with tools

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23
Q

nasal discharge and conjunctivitis are clinical signs of fowl cholera

A

T

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24
Q

the morbidity of fowl cholera is high

A

T

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25
Q

the exotoxin of the agent is responsible for the clinical signs of fowl cholera

A

F

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26
Q

inflammation of the wattle is a clinical sign of acute fowl cholera

A

F

Clinical signs of the chronic form

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27
Q

the endotoxin of the agent is responsible for the clinical signs of fowl cholera

A

T

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28
Q

Europe is free from fowl cholera

A

F

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29
Q

Haemorrhagic diarrhoea is a clinical sign of fowl cholera

A

T

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30
Q

Fowl Cholera can occur in ducks and geese

A

T

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31
Q

Fowl cholera is always an acute disease

A

F

Also chronic

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32
Q

Feather pecking or force feeding can predispose animals to fowl cholera

A

T

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33
Q

Parent birds have to be vaccinated just before laying in order to prevent fowl cholera

A

F

Vaccine given at 6-8 weeks of age

34
Q

Germinative infection is a frequent way of transmission of the agent of fowl cholera.

A

F

No germinative infection

35
Q

Geese is resistant to fowl cholera

A

F

36
Q

Fowl cholera cannot be prevented by vaccination

A

F

37
Q

Focal inflammation in the liver is a typical post mortem lesion of fowl cholera

A

T

38
Q

Hemorrhages generally cannot be seen as post mortem signs of fowl cholera

A

F

39
Q

After recovering from fowl cholera the animals do not carry the agent any more

A

F

Therefore it is not recommended to keep the animals for a longer period, better to cull/slaugther

40
Q

There are vaccines on the market to prevent fowl cholera

A

T

41
Q

Fowl cholera occurs only in hens

A

F

42
Q

Fowl cholera is caused by certain serotypes of Pasteurella multocida

A

T

43
Q

The agent of fowl cholera is an obligate pathogen

A

F

Facultative

44
Q

Germinative infection is common in the case of fowl cholera.

A

F

no germinative infection

45
Q

Turkey are highly susceptible to fowl cholera

A

T

46
Q

Fowl cholera is caused by Pasteurella multocida strains

A

T

47
Q

Fowl cholera occurs only in chicken

A

F

48
Q

Germinative infection is common in the case of fowl cholera

A

F

49
Q

Fowl cholera is typically seen in day-old birds

A

F

Cannot be seen in day-old birds

50
Q

Germinative infection is important in the epidemiology of fowl cholera

A

F

No germinative infection

51
Q

Fowl cholera is a septicemic disease

A

T

52
Q

The agent of fowl cholera is a facultative pathogenic bacterium

A

T

53
Q

The endotoxin of the agent is responsible for the lesions of fowl cholera.

A

T

54
Q

Fowl cholera is caused by Riemerella anatipestifer

A

F

P.multicoida

55
Q

Endotoxins of Pasteurella multocida cause fowl cholera

A

T

56
Q

Fowl cholera has always an acute course

A

F

chronic also

57
Q

Fowl cholera could cause focal inflammation-necrosis in the liver

A

T

58
Q

Fowl cholera is the most severe among day-old chicken

A

F

Severity increases with age

59
Q

Fowl cholera is caused by introducing highly virulent Pasteurella multocida strains

A

T

60
Q

Plucking and fattening of geese is a predisposing factor for fowl cholera

A

T

61
Q

Fowl cholera causes acute septicaemia

A

T

62
Q

The chronic form of fowl cholera is caused by less virulent strains

A

T

63
Q

Day-old chickens are resistant to fowl cholera.

A

T

64
Q

Vaccines against fowl cholera are not available

A

F

65
Q

Fowl cholera may cause high mortality in water birds

A

T

66
Q

Turkeys are not sensitive to fowl cholera

A

F

67
Q

Fowl cholera occurs mainly at the end of the winter

A

F

More common in warmer climate

68
Q

Fowl cholera occurs mostly during the summer and autumn

A

T

69
Q

Germinative infection is the primary way of spreading fowl cholera

A

F

70
Q

Mortality of fowl cholera can reach 100% in a susceptible flock

A

T

71
Q

In development of fowl cholera, plucking the animal has an important role

A

T

72
Q

Fowl cholera can cause high losses among day-old chicken.

A

F

Cannot be seen in day-old birds

73
Q

Fowl cholera is caused by leukotoxin-producing Pasteurella (Mannheimia) haemolytica.

A

F

74
Q

Fowl cholera has higher mortality in young broiler stocks

A

F

Severity increases with age

75
Q

Fowl cholera has high mortality in water poultry

A

F

76
Q

Turkeys are not susceptible for fowl cholera.

A

F

77
Q

Fowl cholera is caused by Pasteurella haemolytica

A

F

78
Q

Fowl cholera occurs in the tropics and subtropics mostly

A

T

79
Q

Wild birds are very susceptible to fowl cholera

A

F

Clinical signs are mild, but they carry and shed the bacteria, introducing it to other farms

80
Q

Susceptibility in hens decrease with age in case of fowl cholera.

A

F

Epidemiology - MIDTERM 4 PQS (31 decks)

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