General recap

Question 1

What is the pathogen causing PCV2

Answer 1

Circoviridae

Associated with multiple agaents:
M.hyopneumoniae, A. pleuropneumoniae, P. multocida, H. parasuis

Question 2

Where do PCV2 virus accumulate ?

Answer 2

To macrophages and dendritic cells

Question 3

Clinical signs of post-weaning multisystemic wasting syndrome (PCV2)

Answer 3

Pallor, wasting, respiratory distress, diarrhea, icterus

Question 4

Clinical signs of porcine dermatitis nephropathy (PCV2)

Answer 4

Abortion, decreased reproductive performance, mummified fetuses

Question 5

Causative agent of Swine erysipelas

Answer 5

Erysipelothrix rhusiopathiae

Question 6

Clinical signs of ACUTE erysipelas

Answer 6

High fever
Hemolysis
Abortions
Sudden death
Diamond-shaped lesions
- rhomboid urticaria
Dark erythema of skin
Constipation -> Diarrhea

Question 7

Clinical signs of CHRONIC erysipelas

Answer 7

Arthritis
Cardiac insufficiency
Sudden death

Question 8

Which streptococcus causes arthritis?

Answer 8

Streptococcus equisimilis

Question 9

Clinical signs of Streptococcal infection

Answer 9

Meningitis: paddling
Septicaemia: Sudden death
Polyserositis
Arthritis
Endocarditis
Pneumonia
Abortions and rhinitis

Question 10

Causative agent of Aujeszky’s disease

Answer 10

Varicellovirus - Family herpesvirus

Also called pseudorabies

Question 11

Transmission routes of Aujeszky’s

Answer 11

Respiratory
Oral
Venereal
- aerolosied can travel few km

Question 12

Mortality of Aujeszky’s is lowest in who and highest in who?

Answer 12

100% in animals < 2 weeks of age
1-2% in grower and finishers

Question 13

Clinical signs of Aujeszky’s disease

Answer 13

Sudden death
fever
Tremors
Seizures
Hindleg paralysis
Dog-like position
Paddling
Vomiting