The fungus is most commonly transmitted from one animal to another by direct contact between animals. The disease can also be transferred by clippers, brushes, combs, blankets, fence posts, fence wire and the hands of handlers . Once an infected animal comes in contact with equipment, the equipment can remain a source of infection for up to 4 years . Certain factors make an animal more susceptible to ringworm infection. Young animals are more easily infected.
Poor nutrition increases the likelihood of ringworm infection.
Animals that have not had ringworm before are more likely to catch it. Animals kept in the same pen with infected animals are more likely to catch ringworm. Animals kept in dark, damp, warm, and poorly ventilated places become infected more easily. The use of clippers, brushes, and blankets on different animals without disinfection will spread this disease. Sheep in contact with infected cattle can get this disease.