Equine Dermatophilosis Study Guide
Overview and Clinical Importance
Dermatophilosis (also known as rain rot, rain scald, mud fever, or streptothricosis) is one of the most common bacterial skin infections affecting horses worldwide. This exudative, crusting dermatitis is caused by Dermatophilus congolensis, a gram-positive, facultative anaerobic actinomycete bacterium with unique fungal-like characteristics. The disease has significant clinical importance due to its painful nature, impact on equine performance, and potential for secondary complications if left untreated.
Understanding this condition is essential for the NAVLE because it frequently appears on board examinations due to its distinctive clinical presentation, characteristic cytological findings (the pathognomonic "railroad track" appearance), and specific management requirements involving environmental control alongside antimicrobial therapy.
Etiology
Causative Agent
Dermatophilus congolensis is a unique pathogen with the following characteristics:
You've been studying hard
Create a free account to keep reading
Free accounts get 5 articles/day + daily practice questionJoin vet students already studying with NavleExam.
No credit card needed — free account takes 30 seconds.
Create Free Account — Keep Reading Already have an account? Log inNo spam. One question per day. Unsubscribe anytime.
Take the free NAVLE practice exam
50 exam-style questions across the NAVLE species. See your score as soon as you finish, then get the full answer key with explanations by email. No payment, no account.
Start the free exam →