Large Animal Dermatology

Question 1

List two non-contagious causes of pastern dermatitis

Answer 1

Vasculitis
Photosensitisation

Question 2

List four contagious causes of pastern dermatitis

Answer 2

Dermatophilus congolensis
Staphylococcus
Chorioptic mange
Trobicula autumnalis

Question 3

List 4 topical treatments you could use for pastern dermatitis.

Answer 3

Medicated shampoo
Silver sulphadiazine (Flamazine)
Lime and sulphur (Lime plus)
Sunblock

Question 4

How would you diagnose lice in horses?

Answer 4

Visible to the naked eye - adults and eggs stuck on hair shafts
Migrate away from the cold

Question 5

What class of anthelminitic can help you treat sheep scab?

Answer 5

3-MLs (Ivermectin/moxidectin/doramectin)

Question 6

When using ivermectin for sheep scab, how many doses would you give and how far apart?

Answer 6

Ivermectin - 2 injections 7 days apart

Question 7

What type of plunge dips can you use to treat sheep scab?

Answer 7

Organophosphates

Question 8

List three things that you could do to treat fly strike in sheep

Answer 8

Clip away fleece
Pour on permethrin
NSAID