Family Asfarviridae

Question 1

African Swine Fever is the only known __________

Answer 1

DNA arbovirus

in the Asfarviridae family

Question 2

African swine fever demonstrates hemadsorption. What does this mean?

Answer 2

Pig RBCs with adhere to the surface of pig monocytes or macrophage infected cells

looks like RBCs surrounding a cell on histo

Question 3

__________ is a ______ vector involved in transmission of african swine fever

Answer 3

Ornithodorus (soft tick), biological vector

Question 4

Reservoir hosts of african swine fever?

Answer 4

Warthog, Giant forest hog, Bush pig

Question 5

Pathogenesis of African swine fever?

Answer 5

1. Apoptosis of host cells via p54 protein encoded by virus
2. Hemorrhages from activation and destruction of monocytes and macs

Question 6

Most important CS associated with the acute form of african swine fever?

Answer 6

Cyanotic (blue) skin blotching on ears, tail, legs

Question 7

How do organs appear on necropsy of african swine fever?

Answer 7

Enlarged friable spleen (blackberry jam spleen)

Question 8

True or False: A vaccine is available for African Swine fever

Answer 8

FALSE - vax have been unsuccessful

Question 9

Which of the following is false about African swine fever?
A. Only known DNA arbovirus
B. Reportable
C. Unstable in the environment
D. Results in leukopenia

Answer 9

C. Unstable in the environment