8-9: Diseases of the Hoof

Question 1

Broken Back HPA (definition):

Answer 1

Pastern steeper than hoof wall

Question 2

What structures does a broken back HPA stress?

Answer 2

DDFT
Nav. apparatus
Coffin joint

Question 3

Treatment of broken back HPA:

Answer 3

Corrective trimming, toe modification (rolled or rocker toe), wedge

Question 4

Broken forward HPA (definition)

Answer 4

Hoof wall steeper than pastern

Question 5

Two presentations of broken forward HPA:

Answer 5

Fetlock drop
Club Foot

Question 6

Treatment of fetlock drop:

Answer 6

Shoe wider in toe than heel or fishtail

Question 7

Treatment of “Club foot”:

Answer 7

Tendon desmotomy
Lower heel as much as you can without causing pain

Question 8

Three presentations of distorted hoof capsule:

Answer 8

Wry foot
Sheared heels
Quarter cracks

Question 9

Cause of distorted hoof capsules:

Answer 9

Conformational deficits- ALD, base wide/narrow

Question 10

Thrush (definition):

Answer 10

Anaerobic infection of the epidermal frog

Question 11

Canker (definition):

Answer 11

Infection of the dermal frog (hypertrophy of the germinal producing cells)

Question 12

Keratoma (definition):

Answer 12

benign tumor of the keratin producing cells in the hoof

Question 13

Difference between draining tract from Quittor and from subsolar abcesses:

Answer 13

Quittor will abscess ABOVE coronary band