06/05/2026
Headscratcher Question!
Dermatophytosis (also known as “ringworm”) is a fungal infection affecting keratin containing superficial skin layers, hair and claws. Which of the following is true regarding dermatophytosis?
a. Trichophyton mentagrophytes is the most common causative agent of dermatophytosis in dogs
b. Dermatophytosis is more common in cold and dry climates
c. Dermatophyte colonies are typically gray or brown on fungal culture
d. Microsporum canis spores remain infective for 18 months in the environment
e. A red colour change on DTM fungal culture is definitive for dermatophytosis
Come back on Tuesday for the answer!