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Epidemiology - MIDTERM 4 PQS > PQS - Haemorrhagic septicaemia in cattle✅ > Flashcards

PQS - Haemorrhagic septicaemia in cattle✅ Flashcards

1
Q

Haemorrhagic septicaemia of cattle is generally a chronic disease

A

F

Have 3 forms:
1. peracute
2. acute
3. subacute

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2
Q

Pasteurella multocida strains are causative agents of haemorrhagic septicaemia of cattle

A

T

M.haemolytica can also cause it, but very sporadically

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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

this is why AB is controversial

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4
Q

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

A

F

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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 0.5-2 year old animals, younger animals are protected by the maternal antiboides and older animals also have protection

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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

Oedema typically seen on neck, throat and brisket

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8
Q

Hemorrhagic septicemia mainly occurs in tropical and sub-tropical areas

A

T

More typical in warmer climate

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9
Q

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

A

T

B:2 = Southeast-Asia
E:2 = Africa

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10
Q

Monsoon can predispose to haemorrhagic septicaemia

A

T

Especially in South-East Asia

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11
Q

Haemorrhagic septicaemia is mainly seen in pigs and horse

A

F

Mainly ruminants, buffalo and cattle are most susceptible

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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

Endotoxins is responsible for the clinical signs

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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

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17
Q

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

A

T

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18
Q

Haemorrhagic septicaemia is caused by Pasteurella multocida

A

T

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19
Q

Haemorrhagic septicaemia is mainly seen in pig

A

F

Ruminants

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20
Q

Oedema can be seen in the case of haemorrhagic septicaemia.

A

T

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21
Q

Haemorrhagic septicaemia is endemic in several European countries

A

F

Sporadic in Europe and America

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22
Q

Exhausting work can predispose to haemorrhagic septicaemia

A

T

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23
Q

Re-convalescent animals can carry the agent of haemorrhagic septicaemia

A

T

24
Q

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

A

F

Endotoxin

25
Q

Aerogenic infection is frequent in the case of haemorrhagic septicaemia

A

T

inhalation from carrier animals

26
Q

Haemorrhagic septicaemia is caused by Mannheimia haemolytica

A

F

only sporadically, but then it is a different disease !!

27
Q

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

A

F

Leucotoxin = M.haemolytica

28
Q

Fever is a typical sign of haemorrhagic septicaemia

A

T

29
Q

Haemorrhagic septicaemia occurs only in tropical and subtropical countries

A

F

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

32
Q

Haemorrhagic septicaemia is caused by B and E types

A

T

B:2 = Southeast-Asia
E:2 = Africa

33
Q

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

A

F

34
Q

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

A

F

35
Q

Haemorrhagic septicaemia of cattle generally occurs in tropical countries

A

T

36
Q

Haemorrhagic septicaemia infects cattle mainly from the environment

A

T

37
Q

Haemorrhagic septicaemia of cattle’s endotoxin causes clinical symptoms

A

T

From the LPS, which as an endotoxin

38
Q

There is no functioning vaccine to prevent haemorrhagic septicaemia of cattle

A

F

39
Q

Pasteurella multocida is the agent of haemorrhagic septicaemia of cattle

A

T

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

42
Q

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

A

T

43
Q

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

A

F

Mainly seen in 0.5-2 year old animals, before they are protected by the maternal antibodies

44
Q

Bleeding is the most typical clinical sign of haemorrhagic septicaemia

A

F

45
Q

Haemorrhagic septicaemia can be prevented with vaccination

A

T

46
Q

Haemorrhagic septicaemia is caused by P. multocida B and E

A

T

47
Q

Haemorrhagic septicaemia infected animals carry the bacteria for 1 year.

A

F

48
Q

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

A

T

49
Q

Haemorrhagic septicaemia is a slow and chronic disease

A

F

50
Q

Endotoxins are important for the pathogenesis of the haemorrhagic septicaemia disease

A

T

51
Q

Antibiotics are highly effective against haemorrhagic septicaemia

A

T

but needs to be given in time !!

52
Q

Attenuated vaccines can be used to prevent haemorrhagic septicaemia

A

T

Both attenuated and inactivated vaccine

53
Q

After recovery from haemorrhagic septicaemia, cattle remain carriers

A

T

54
Q

Haemorrhagic septicaemia of cattle occurs only in tropical countries

A

F

55
Q

Secondary infection can occur with haemorrhagic septicaemia of cattle

A

F

56
Q

Haemorrhagic septicaemia of cattle can be explained by endotoxin production

A

T

57
Q

Haemorrhagic septicaemia is mainly seen in sheep and horses.

A

F

Mainly ruminants, especially water buffalo and cattle

Epidemiology - MIDTERM 4 PQS (31 decks)

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