Microsporum gypseum is a type of fungi known as dermatophyte, which have the ability to utilise keratin as a nutrient source, i.e. they have a unique enzymatic capacity [keratinase]. It is responsible for causing dermatophytosis (ringworm) in horses and other animals. It is most often found in the saddle area and limbs of horses.
M. gypseum is distributed worldwide.
