Foreign animal disease (FAD)

Question 1

Name 3 mosquito/culicoides transmitted diseases in ruminants

Answer 1

Akabane, blue tongue, lumpy skin disease

Question 2

To what genus of viruses does LSD9 (lumpy skin disease) belong?

Answer 2

capripoxviridae

Question 3

How does LSD cause major financial losses in a dairy herd?

Answer 3

Mastitis

Question 4

Name 2 other viruses that can cause teat lesions in cattle.

Answer 4

Vesicular stomatitis and Foot & mouth disease

Question 5

What type of vectors are associated with the mechanical transmission of LSD?

Answer 5

Stomoxus, culicoides, mosquitos

Question 6

Name the main source of virus in the affected animal for LSD

Answer 6

lumps

Question 7

What is the main pathological change in the skin for LSD?

Answer 7

thrombosis

Question 8

What is the most effective way of controlling the spread of LSD?

Answer 8

Vaccination

Question 9

Name 2 importation restrictions pertaining to live animals for LSD.

Answer 9

Live animal/ animal production

Question 10

What are the 2 main presentations of Schmallenburg virus?

Answer 10

Diarrhea/congenital malformations

Question 11

Name 4 differentials for stillbirths in sheep.

Answer 11

Schmallenburg/Cache valley/Akabane/blue tongue

Question 12

How does Schmallenburg presentation differ from Blue tongue?

Answer 12

Schmallenburh disease may be asymptomatic in adults

Question 13

Name one control measure to prevent the spread of Schmallenburg virus.

Answer 13

Ban any tissue used for breeding

Question 14

Name 2 possible presentations of Akabane virus in pregnant cattle.

Answer 14

Congenital malformations/ encephalitis

Question 15

What does Akabane and Schmallenburg virus have in common?

Answer 15

Same serogroup of Bunyavirus

Question 16

Name 1 differential for Akabane virus in cattle.

Answer 16

BVD

Question 17

Name 3 diseases in which arthrogryposis may be present in aborted fetuses.

Answer 17

Schmallenburg/akabane/blue tongue

Question 18

Name 2 non-viral differentials for angular limb deformity in sheep.

Answer 18

Spider lamb /hyperphosphatemia – rickets

Question 19

Name 2 conditions that can cause a necrotizing myocarditis.

Answer 19

Black leg/ Foot and mouth disease