DYNAMIC EXAMINATION

Question 1

What do you when first looking at dynamic evaluation

Answer 1

• ridden
• lunging (exercising in a circle)
• walking/ trotting in a straight line without being ridden

Question 2

What are the main causes of lameness in sheep?

Answer 2

Scald
Foot rot
COOD

Question 3

What pathogen causes foot rot

Answer 3

Dichelobacter nodous

Question 4

How does foot rot develop

Answer 4

Initially as scald/ interdigital dermatitis
Then second stage is under running hoof horn and smell

Question 5

How long does D nodous survive in:
Pasture
Hoof horn clippings

Answer 5

14 days
Long time

Question 6

What are treatments that are not effective to footrot?

Answer 6

Foot-trimming or foot baths

Question 7

Why shouldn’t you trim feet infected with foot rot

Answer 7

Delays healing and risks cross infection

Question 8

What are preventative measures that can be taken by the farmer to prevent footrot?

Answer 8

Cull sheep that have had footrot more than twice

Consider vaccination

Treat mildly lame sheep (either with a long-acting antibiotic injection or antibiotic spray)

Separate diseased animals from healthy ones

Quarantine incoming sheep for at least 29 days, and give them a foot back on arrival and physically inspect their feet as well before mixing with the flock.

Question 9

Are D. nodus and F. necrophorum anaerobic or aerobic bacteria?

Answer 9

Anaerobic

Question 10

Which common bacterium is associated with scald?

Answer 10

Fusobacterium Necrophorum (note: this should be in italics