Dermatophilosis

Question 1

what is the most common form of dermatophilosis

Answer 1

D. congolensis

Question 2

what does D. congolensis cause

Answer 2

skin infection of cattle, horses, sheep and goats

Question 3

what type of bacteria is dermatophilosis

Answer 3

gram +

Question 4

what are the common terms used to name a dermatophilus congolensis infection

Answer 4

-rain scald / rain rot
- lumpy wool disease
- strawberry foot-rot

Question 5

what is D. congolensis often associated with in the tropics

Answer 5

tick mediated immunosuppression

Question 6

what is D. congolensis transmitted by

Answer 6

flies through direct contact

Question 7

how does D. congolensis become attached to the skin

Answer 7

through hyphal branches penetrating the epidermis

Question 8

what can predispose one to rain scald

Answer 8

skin trauma & tick infestation

Question 9

what does D. congolensis cause in sheep

Answer 9

mycotic dermatitis in 3 forms

Question 10

what are the 3 forms of mycotic dermatitis from D. congolensis infections

Answer 10

1. lumpy wool
2. face and scrotum
3. strawberry foot rot

Question 11

True or False:

D. congeolensis is zoonotic

Answer 11

true
farm animals can spread it around

Question 12

what is used to diagnose an infection of dermatophilosis

Answer 12

-smear of scab
-gram or Giemsa stain
- molecular detection

Question 13

what is used as a treatment of dermatophilosis

Answer 13

1. penicillin + streptomycin
2. long acting tetracycline (IM)

• mild case = remove scabs and wash with iodine and chlorhexidine

Question 14

what is the biggest thing for control of dermatophilosis