MT4 - Haemorrhagic septicaemia of cattle (G)

Question 1

Haemorrhagic septicaemia of cattle is generally a chronic disease

Answer 1

F

Question 2

Pasteurella multocida strains are causative agents of haemorrhagic septicaemia of cattle

Answer 2

T

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

Question 3

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

Answer 3

T

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

Question 4

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

Answer 4

F

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

Question 5

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

Answer 5

F

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

Question 6

The morbidity and mortality of Haemorrhagic septicaemia of cattle is low

Answer 6

F

high morbidity, high mortality

Question 7

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

Answer 7

T

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

Question 8

Hemorrhagic septicemia mainly occurs in tropical and sub-tropical areas

Answer 8

T

Question 9

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

Answer 9

T

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

Question 10

Monsoon can predispose to haemorrhagic septicaemia

Answer 10

T

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

Question 11

Haemorrhagic septicaemia is mainly seen in pigs and horse

Answer 11

F

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

Question 12

Haemorrhagic septicaemia is mainly an acute disease.

Answer 12

T

Question 13

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

Answer 13

F

Question 14

Exotoxins are responsible for haemorrhagic septicaemia

Answer 14

F

virulence factors:
- capsule
- LPS (endotoxin)

Question 15

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

Answer 15

T

Question 16

Haemorrhagic septicaemia cannot be prevented with vaccine

Answer 16

F

vaccine: inactivated, attenuated

Question 17

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

Answer 17

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!)

Question 18

Haemorrhagic septicaemia is caused by Pasteurella multocida

Answer 18

T

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

Question 19

Haemorrhagic septicaemia is mainly seen in pig

Answer 19

F

buffalo, cattle, other ruminants, wild ruminants

Question 20

Oedema can be seen in the case of haemorrhagic septicaemia.

Answer 20

T

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

Question 21

Haemorrhagic septicaemia is endemic in several European countries

Answer 21

F

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

Question 22

Exhausting work can predispose to haemorrhagic septicaemia

Answer 22

T

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

Question 23

Re-convalescent animals can carry the agent of haemorrhagic septicaemia

Answer 23

T

Question 24

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

Answer 24

F

virulence factors:
- capsule
- LPS (endotoxin)

Question 25

Aerogenic infection is frequent in the case of haemorrhagic septicaemia

Answer 25

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

Question 26

Haemorrhagic septicaemia is caused by Mannheimia haemolytica

Answer 26

F | M. haemolytica: can sometimes cause septicemia

Question 27

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

Answer 27

F

Question 28

Fever is a typical sign of haemorrhagic septicaemia

Answer 28

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

Question 29

Haemorrhagic septicaemia occurs only in tropical and subtropical countries

Answer 29

F

Question 30

The morbidity of haemorrhagic septicaemia is high.

Answer 30

T | high morbidity, high mortality

Question 31

There are no vaccines for the prevention of haemorrhagic septicaemia

Answer 31

F | inactive and attenuated vaccine

Question 32

Haemorrhagic septicaemia is caused by B and E types

Answer 32

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

Question 33

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

Answer 33

F

Question 34

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

Answer 34

F virulence factors: - capsule - LPS (endotoxin)

Question 35

Haemorrhagic septicaemia of cattle generally occurs in tropical countries

Answer 35

T

Question 36

Haemorrhagic septicaemia infects cattle mainly from the environment

Answer 36

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

Question 37

Haemorrhagic septicaemia of cattle’s endotoxin causes clinical symptoms

Answer 37

T

Question 38

There is no functioning vaccine to prevent haemorrhagic septicaemia of cattle

Answer 38

F

Question 39

Pasteurella multocida is the agent of haemorrhagic septicaemia of cattle

Answer 39

T

Question 40

The morbidity of haemorrhagic septicaemia is high

Answer 40

T | high morbidity, high mortality

Question 41

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

Answer 41

F virulence factors: - capsule - LPS (endotoxin)

Question 42

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

Answer 42

T

Question 43

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

Answer 43

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

Question 44

Bleeding is the most typical clinical sign of haemorrhagic septicaemia

Answer 44

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

Question 45

Haemorrhagic septicaemia can be prevented with vaccination

Answer 45

T

Question 46

Haemorrhagic septicaemia is caused by P. multocida B and E

Answer 46

T

Question 47

Haemorrhagic septicaemia infected animals carry the bacteria for 1 year.

Answer 47

F

Question 48

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

Answer 48

T

Question 49

Haemorrhagic septicaemia is a slow and chronic disease

Answer 49

F | acute

Question 50

Endotoxins are important for the pathogenesis of the haemorrhagic septicaemia disease

Answer 50

T

Question 51

Antibiotics are highly effective against haemorrhagic septicaemia

Answer 51

T | early antibiotic treatment + rest

Question 52

Attenuated vaccines can be used to prevent haemorrhagic septicaemia

Answer 52

T | attenuated and inactivated

Question 53

After recovery from haemorrhagic septicaemia, cattle remain carriers

Answer 53

T

Question 54

Haemorrhagic septicaemia of cattle occurs only in tropical countries.

Answer 54

F

Question 55

Secondary infection can occur with haemorrhagic septicaemia of cattle.

Answer 55

F

Question 56

Haemorrhagic septicaemia of cattle can be explained by endotoxin production

Answer 56

T

Question 57

Haemorrhagic septicaemia is mainly seen in sheep and horses.

Answer 57

F | mainly ruminant, buffalo, cattle