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EPI Final PQ > MT4 - Haemorrhagic septicaemia of cattle (G) > Flashcards

MT4 - Haemorrhagic septicaemia of cattle (G) Flashcards

1
Q

Haemorrhagic septicaemia of cattle is generally a chronic disease

A

F

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2
Q

Pasteurella multocida strains are causative agents of haemorrhagic septicaemia of cattle

A

T

P. multocida, M. haemolytica: can sometimes cause septicemia

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3
Q

Antibiotic treatment at the time of appearance of the clinical signs of haemorrhagic septicaemia of cattle is generally late.

A

T

Very frequent that the treatment is to late, only early is effective

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4
Q

Bleeding from the nose is a frequent clinical sign of haemorrhagic septicaemia of cattle.

A

F

  • fever, depression,
  • serous nasal discharge, profuse salivation
  • oedema (larynx): neck, throat, brisket
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5
Q

Haemorrhagic septicaemia occurs most frequently among 2-3 month old calves in endemic areas

A

F

in endemic areas mainly in 1⁄2-2-year-old animals

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6
Q

The morbidity and mortality of Haemorrhagic septicaemia of cattle is low

A

F

high morbidity, high mortality

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7
Q

Oedema formation can be a clinical sign of haemorrhagic septicaemia of cattle

A

T

  • fever, depression,
  • serous nasal discharge, profuse salivation
  • oedema (larynx): neck, throat, brisket
  • dyspnoea, listlessness
  • diarrhoea, pneumonia
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8
Q

Hemorrhagic septicemia mainly occurs in tropical and sub-tropical areas

A

T

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9
Q

Pasteurella multocida B:2 and E:2 strains are causative agents of Haemorrhagic septicaemia

A

T

P. multocida:
- B:2: Southeast-Asia
- E:2: Africa

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10
Q

Monsoon can predispose to haemorrhagic septicaemia

A

T

predisposing factors:
* monsoon, rainy season
* inanition, exhausting work

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11
Q

Haemorrhagic septicaemia is mainly seen in pigs and horse

A

F

mainly: buffalo, cattle, other ruminants, wild ruminants
sometimes other species (horse, donkey, pig)

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12
Q

Haemorrhagic septicaemia is mainly an acute disease.

A

T

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13
Q

After recovering from haemorrhagic septicaemia the animals do not shed the agent.

A

F

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14
Q

Exotoxins are responsible for haemorrhagic septicaemia

A

F

virulence factors:
* capsule
* LPS (endotoxin)

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15
Q

The agent of haemorrhagic septicaemia can be carried in the tonsils.

A

T

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16
Q

Haemorrhagic septicaemia cannot be prevented with vaccine

A

F

vaccine: inactivated, attenuated

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17
Q

Haemorrhages on the heart are important post mortem signs of haemorrhagic septicaemia.

A

T

*Pathology: *
peracute:
* haemorrhages,
* serous fluid in the body cavities
* oedema (yellow): sub cutaneous, muscular * enlarged lymph nodes

subacute:
* haemorrhagic gastroenteritis
* fibrinous pleuropneumonia (not extended!)

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18
Q

Haemorrhagic septicaemia is caused by Pasteurella multocida

A

T

P. multocida, M. haemolytica: can sometimes cause septicemia

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19
Q

Haemorrhagic septicaemia is mainly seen in pig

A

F

buffalo, cattle, other ruminants, wild ruminants

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20
Q

Oedema can be seen in the case of haemorrhagic septicaemia.

A

T

  • fever, depression,
  • serous nasal discharge, profuse salivation
  • oedema (larynx): neck, throat, brisket
  • dyspnoea, listlessness
  • diarrhoea, pneumonia
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21
Q

Haemorrhagic septicaemia is endemic in several European countries

A

F

it is sporiadic in europe and america
endemic: africa, southern asia

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22
Q

Exhausting work can predispose to haemorrhagic septicaemia

A

T

predisposing factors:
* monsoon, rainy season
* inanition, exhausting work

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23
Q

Re-convalescent animals can carry the agent of haemorrhagic septicaemia

24
Q

The lesions of haemorrhagic septicaemia are caused by the exotoxin of the agent

A

F

virulence factors:
* capsule
* LPS (endotoxin)

25
Q

Aerogenic infection is frequent in the case of haemorrhagic septicaemia

A

T

infection:
* air-borne (p.o.) infection
* close contact is needed

26
Q

Haemorrhagic septicaemia is caused by Mannheimia haemolytica

A

F- it can but v rarely

27
Q

The leukotoxin of the agent is responsible for the lesions of haemorrhagic septicaemia

28
Q

Fever is a typical sign of haemorrhagic septicaemia

A

T

  • fever, depression,
  • serous nasal discharge, profuse salivation
  • oedema (larynx): neck, throat, brisket
  • dyspnoea, listlessness
  • diarrhoea, pneumonia
29
Q

Haemorrhagic septicaemia occurs only in tropical and subtropical countries

30
Q

The morbidity of haemorrhagic septicaemia is high.

A

T

high morbidity, high mortality

31
Q

There are no vaccines for the prevention of haemorrhagic septicaemia

A

F

inactive and attenuated vaccine

32
Q

Haemorrhagic septicaemia is caused by B and E types

A

T

P. multocida:
* B:2: Southeast-Asia
* E:2: Africa

33
Q

Re-convalescent animals do not carry the agent of haemorrhagic septicaemia after recovery.

34
Q

The exotoxin of the causative agent is responsible for the lesions in haemorrhagic
septicaemia.

A

F

virulence factors:
* capsule
* LPS (endotoxin)

35
Q

Haemorrhagic septicaemia of cattle generally occurs in tropical countries

36
Q

Haemorrhagic septicaemia infects cattle mainly from the environment

A

T

infection:
- air-borne (p.o.) infection
- close contact is needed

37
Q

Haemorrhagic septicaemia of cattle’s endotoxin causes clinical symptoms

38
Q

There is no functioning vaccine to prevent haemorrhagic septicaemia of cattle

39
Q

Pasteurella multocida is the agent of haemorrhagic septicaemia of cattle

40
Q

The morbidity of haemorrhagic septicaemia is high

A

T

high morbidity, high mortality

41
Q

The clinical signs of haemorrhagic septicaemia are caused by the dermonecrotoxin of the agent

A

F

virulence factors:
* capsule
* LPS (endotoxin)

42
Q

Buffalos and cattle are the most susceptible species to haemorrhagic septicaemia.

43
Q

Haemorrhagic septicaemia is mainly seen in 1-2 months old animals.

A

F

in endemic areas mainly in 1⁄2-2-year-old animals

44
Q

Bleeding is the most typical clinical sign of haemorrhagic septicaemia

A

F

  • fever, depression,
  • serous nasal discharge, profuse salivation
  • oedema (larynx): neck, throat, brisket
  • dyspnoea, listlessness
  • diarrhoea, pneumonia
45
Q

Haemorrhagic septicaemia can be prevented with vaccination

46
Q

Haemorrhagic septicaemia is caused by P. multocida B and E

47
Q

Haemorrhagic septicaemia infected animals carry the bacteria for 1 year.

A

F

incubation 1-3 days

48
Q

Hyaluronic acid capsule is important for the bacteria’s ability to replicate unhindered.

49
Q

Haemorrhagic septicaemia is a slow and chronic disease

50
Q

Endotoxins are important for the pathogenesis of the haemorrhagic septicaemia disease

51
Q

Antibiotics are highly effective against haemorrhagic septicaemia

A

I think F bc usually too late

T in file but unsure bc its usually too late so wouldnt be considered highly effective then?

52
Q

Attenuated vaccines can be used to prevent haemorrhagic septicaemia

A

T

attenuated and inactivated

53
Q

After recovery from haemorrhagic septicaemia, cattle remain carriers

54
Q

Haemorrhagic septicaemia of cattle occurs only in tropical countries.

55
Q

Secondary infection can occur with haemorrhagic septicaemia of cattle.

56
Q

Haemorrhagic septicaemia of cattle can be explained by endotoxin production

57
Q

Haemorrhagic septicaemia is mainly seen in sheep and horses.

A

F

buffalo, cattle

EPI Final PQ (49 decks)

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