Animal disease refers to any illness or condition that affects the health of animals. These diseases can be caused by various factors, including bacteria, viruses, parasites, and environmental conditions. Common examples include canine parvovirus in dogs and foot-and-mouth disease in livestock. Understanding these diseases is crucial for maintaining animal health and preventing outbreaks. Preventing and managing animal diseases often involves vaccination, proper nutrition, and good hygiene practices. Veterinarians play a key role in diagnosing and treating these conditions. Additionally, monitoring animal populations helps to identify and control potential disease outbreaks, ensuring the health of both animals and humans.