👉 Lonchodrynx, also known as the horse leprosy or horse leprodox, is a medical condition that occurs in horses and is characterized by progressive muscle weakness and loss of function due to an infection with a bacterium. The disease is caused by a strain of the Leptospira bacteria, which can be transferred from animals to humans through contact with infected animal droppings or contaminated environments. It typically affects horses between 6 and 10 years old but may occur