principles and changes with other pathogens

Question 1

name 2 prion diseases that affect sheep and goats

Answer 1

• scrapie
• atypical scrapie

Question 2

what is the name of the prion disease in mink

Answer 2

milk spongiform encephalopathy

Question 3

what is the name of the prion disease seen in deer and elk

Answer 3

chronic wasting disease

Question 4

what is the name of the prion disease seen in cows

Answer 4

bovine spongiform encephalopathy

Question 5

what is the name of the prion disease seen in cats

Answer 5

feline spongiform encephalopathy (caused by BSE)

Question 6

what are the clinical signs of prion diseases

Answer 6

• weight loss
• subtle behaviour changes (isolated, flighty, lies down more, dull)
• licking lips, grinding teeth, scratching
• pruritus (scrapie)
• posture and gait changes
• ataxia and tremors
• none, animal found dead

Question 7

what causes bovine tuberculosis

Answer 7

mycobacterium bovis

Question 8

how do you test for TB

Answer 8

Question 9

can you vaccinate for TB

Answer 9

Question 10

how do you prevent the spread of TB

Answer 10

• premovement/ post movement testing
• use iTB to assess TB risk
• isolate brought on animals
• wildlife proofing of fences and feed storage
• store slurry for long periods before use, spread 2 months prior to grazing and avoid sharing equipment between farms