Sheep lameness

Question 1

What is the early stage of Foot rot called? What pathogen causes this?

Answer 1

Scald (Ovine Interdigital Dermatitis)

Caused by Dichelobacter nodosus

Question 2

If scald (ovine interdigital dermatitis) does not improve, it can go on to form..

Answer 2

Footrot

Question 3

How is scald/ovine interdigital dermatitis treated?

Answer 3

Foot bathing
Antibiotic spray
May resolve spontaneously when dry
(Do not trim)

Question 4

What pathogen causes Footrot?

Answer 4

Dichelobater nodosus

With Fusobacterium necrophorum

Question 5

How is footrot treated?

Answer 5

Topical and systemic antibiotics (oxytetracycline, amoxicillin)
NSAIDs
Footbath

Question 6

How can footrot be prevented?

Answer 6

Footvax (twice yearly)

Question 7

Where does contagious ovine digital dermatitis (CODD) start on the hoof?

Answer 7

Coronary band

Causes severe lameness +/- purulent discharge

Question 8

What pathogen causes CODD?

Answer 8

Spirochetes - Treponemes