Camelidae and Cervidae Dermatophilosis Study Guide
Overview and Clinical Importance
Dermatophilosis (also known as rain rot, rain scald, lumpy wool disease, or streptothricosis) is an important bacterial skin disease caused by Dermatophilus congolensis, a Gram-positive, facultative anaerobic actinomycete. This organism affects multiple species including camelids (llamas, alpacas) and cervids (deer, elk, moose), making it a relevant topic for both NAVLE and BCSE examinations.
The disease has significant economic implications in the livestock industry due to its effects on fiber quality in camelids and leather/hide quality in all affected species. Additionally, D. congolensis is a zoonotic organism, making proper diagnosis and biosecurity measures essential for veterinary professionals.
Etiology and Organism Characteristics
Organism Classification
Dermatophilus congolensis was first identified in 1915 from cattle in Zaire (former Belgian Congo), giving the organism its species name. Key taxonomic characteristics include:
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