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EPI.o.i.d > CSF > Flashcards

CSF Flashcards

1
Q

Haemorrhagic enteritis is a characteristic pathological lesion of Classical swine fever

A

T

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2
Q

Classical Swine Fever is frequently complicated with bacterial infections

A

T

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3
Q

Classical swine fever virus can be transmitted by raw pork products

A

T

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4
Q

Classical swine fever virus can retain its infectivity for 6 months in frozen meat

A

T

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5
Q

The CSFV may survive in frozen meat for months

A

T

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6
Q

During necropsy enlarged bloody lymph nodes can be seen in Classical swine fever cases

A

T

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7
Q

Because of endothelial damage Classical swine fever results in haemorrhages

A

T

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8
Q

In acute Classical swine fever, at the beginning obstipation, later diarrhoea can be observed

A

T

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9
Q

Classical swine fever targets the bone marrow stem cells

A

T

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10
Q

Erysipelas and Porcine circovirus 2 infections may cause clinical signs and pathology lesions similar to CSF

A

T

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11
Q

Weakness of the hind legs and ataxia are clinical signs of Classical Swine Fever

A

T

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12
Q

Ischaemic infarcts at the edges of the spleen are postmortem lesions of subacute Classical Swine Fever

A

T

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13
Q

The boutons in the intestines are characteristic lesions in subacute Classical Swine Fever

A

T

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14
Q

Kidney haemorrhage is a characteristic lesion of Classical Swine Fever

A

T

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15
Q

Hemorrhages are the most typical lesions of acute CSF

A

T

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16
Q

During necropsy of acute Classical swine fever cases, haemorrhages can be seen in the gastric mucosa

A

T

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17
Q

Among Classical Swine Fever clinical signs CNS and eye problems can be observed

A

T

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18
Q

The CSFV causes central nervous signs only in suckling piglets

A

F

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19
Q

Classical swine fever infection during the first half of pregnancy results in the birth of immunotolerant piglets

A

T

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20
Q

CSF infection during the first of half of pregnancy can lead to abortion

A

T

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21
Q

Classical swine fever infection in the second half of the pregnancy leads to foetal development problems

A

F

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22
Q

Shedding of Classical swine fever virus starts 1 week after the infection

A

F

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23
Q

The shedding of CSFV begins 1-2 days after the appearance of clinical signs

A

T

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24
Q

The domestic swine population of most European countries are free from CSF

A

T

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25
Q

Classical swine fever causes oronasal infection

A

T

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26
Q

Classical swine fever can be transmitted by mating

A

T

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27
Q

CSF can cause transplacental infections

A

T

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28
Q

CSFV may case reproductive disorders

A

T

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29
Q

Classical swine fever targets lymphatic tissues

A

T

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30
Q

CSF infections result in thrombocytopenia

A

T

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31
Q

Clinical signs of Classical Swine fever are mainly seen in 6-12 week old piglets in vaccinated herds

A

T

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32
Q

Classical swine fever infection during the first half of pregnancy can lead to abortion

A

T

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33
Q

Wild boars play the main role in the maintenance of CSF virus in endemic areas

A

T

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34
Q

Wild boar may play a role in the maintenance and spread of CSFV

A

T

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35
Q

In Europe it is obligatory to vaccinate against Classical swine fever

A

F

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36
Q

In acute Classical swine fever skin haemorrhages and bloody nasal discharge can be observed

A

T

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37
Q

Normal sized spleen can be observed in uncomplicated cases of subacute Classical swine fever

A

T

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38
Q

Classical swine fever infection results in immunosuppression

A

T

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39
Q

All wild type strains of classical swine fever virus are highly virulent

A

F

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40
Q

Six distinct serotypes of CSF virus are recognized so far

A

F

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41
Q

CSF virus is an arbovirus

A

F

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42
Q

CSF virus is a zoonotic agent

A

F

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43
Q

Pigs shed CSF virus only during the clinical stage of the disease

A

F

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44
Q

Central nervous signs might be seen in classical swine fever

A

T

45
Q

Based on pathology and clinical signs, chronic classical swine fever is easy to diagnose

A

F

46
Q

Fomites do not play a role in the transmission of the Classical Swine Fever Virus

A

F

47
Q

Swine shed CSFV only in the terminal phase of the disease

A

F

48
Q

Europe is free from CSFV

A

F

49
Q

Classical Swine Fever is always an acute disease with high mortality in wild boars

A

F

50
Q

The large intestine are the earliest lesions in Classical Swine Fever

A

F

51
Q

The diagnosis of Classical Swine Fever is based on paired serum investigations

A

F

52
Q

Porcine circovirus 2 may cause lesions similar to Classical Swine Fever

A

T

53
Q

Low virulence strains of CSFV may cause reproductive problems

A

T

54
Q

CSFV may damage the lymphatic tissues and blood vessel endothelial cells

A

T

55
Q

Swine can shed CSFV in the incubation period

A

T

56
Q

Skin suffusions and haemorrhages are signs of Classical Swine Fever

A

T

57
Q

Skin suffusions and haemorrhages are signs of Classical Swine Fever.

A

T

58
Q

The clinical signs of African Swine Fever and Classical Swine Fever are very different

A

F

59
Q

Contaminated pork meat can play a role in the transmission of CSFV.

A

T

60
Q

Attenuated vaccines are developed for immunization of swine against CSFV

A

T

61
Q

All known strains of the Classical Swine Fever virus are of highly virulence

A

F

62
Q

The Classical Swine Fever may appear in a milder form in wild boar than in domestic swine

A

T

63
Q

Classical swine fever virus is shed with faces, when boutons appear in the intestines

A

F

64
Q

Classical swine fever can be eradicated from wild boar populations by oral vaccination

A

F

65
Q

Classical swine fever virus is rarely complicated by secondary infections

A

F

66
Q

Classical swine fever can be diagnosed easily by the characteristic symptoms and lesions

A

F

67
Q

Acute classical swine fever can cause haemorrhagic pneumonia

A

T

68
Q

Classical swine fever virus doesn’t induce neutralizing antibody production

A

F

69
Q

Classical swine fever virus is inactivated in chilled meat at -20°C

A

F

70
Q

Classical swine fever virus can cause immunotolerance in swine

A

T

71
Q

Only DIVA vaccines should be used to prevent classical swine fever in swine stocks

A

F

72
Q

Classical swine fever virus causes lympho-histiocytic encephalitis in pigs

A

T

73
Q

Classical swine fever virus causes lympho-histiocytic encephalitis in carnivores

A

F

74
Q

Classical swine fever Virus spreads slowly in the host and causes mainly chronic disease

A

F

75
Q

Complicated forms of the Classical swine fever are rarely seen

A

F

76
Q

Classical swine fever can unambiguously diagnosed by the clinical signs and pathology

A

F

77
Q

Low virulence strains of CSFV may lead to asymptomatic infection

A

T

78
Q

CSF is spread via infected pigs

A

T

79
Q

Sows infected by CSF will have immunotolerant piglets

A

(In first half of pregnancy yes but not in second half… so T and F)

80
Q

Piglets of sows vaccinated against CSF are vaccinated at 6-12 months

A

F

81
Q

To prevent CSF, we vaccinate pigs older than 6 months of age with live vaccine

A

F

82
Q

To prevent CSF we use inactivated vaccines made from the Chinese strain

A

F

83
Q

Shedding may start 2-3 days after first clinical signs

A

F

84
Q

CSF can be prevented by inactivated vaccines

A

F

85
Q

CSF can hardly be distinguished from African swine fever

A

T

86
Q

CSF always causes abortion in pigs

A

F

87
Q

Hungary does not have to make any preventative action against CSF

A

F

88
Q

Incubation of CSF is 8-22 days

A

T

89
Q

CSF was first written about in USA

A

T

90
Q

First symptom of CSF is drooping ears

A

F

91
Q

CSF virus has good resistance

A

T

92
Q

Classical swine fever virus (CSFV) is mainly transmitted by mosquitoes

A

F

93
Q

The presence of CSFV in a herd does not influence reproduction parameters

A

F

94
Q

CSF is frequently complicated with bacterial infections

A

T

95
Q

The clinical signs of CSF and ASF are similar

A

T

96
Q

Central nervous signs are never seen in CSF

A

F

97
Q

Serological cross reactions my occur between BVD virus and CSFV

A

T

98
Q

Only inactivated vaccines are available against CSFV

A

F

99
Q

CSF is a disease of domestic swine and wild boars, but several other species are also suceptible

A

F

100
Q

Only domestic swine and wild boars are susceptible to CSF

A

T

101
Q

Fever, anorexia haemorrhages in the skin and weakness of the hind legs are the most important signs of CSF

A

T

102
Q

For prevention of CSF state medical steps and vaccination are used in Europe

A

F

103
Q

The CSFV typically damages endothelial- and lymphatic tissues

A

T

104
Q

In Europe vaccination of domestic pigs against Classical swine fever is common

A

F

105
Q

Classical swine fever is a notifiable disease in Europe

A

T

106
Q

In Europe vaccination of domestic swine populations against CSF is compulsory

A

F

107
Q

Classical swine fever virus strains are classified into several serotypes

A

F

108
Q

In subacute CSF we can observe signs of pneumonia during necropsies

A

T

EPI.o.i.d (50 decks)

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