“One of the most frustrating diseases we know”: Veterinarians on the persistent mysteries of Equine Grass Sickness

Equine Grass Sickness (EGS) is one of the most devastating and least understood conditions in equine medicine. The disease affects only grazing horses, often follows a dramatic course, and leaves veterinarians and owners with more questions than answers. In conversation with veterinarians from Equi Vet Network and Berqui, it becomes clear why grass sickness is so difficult to recognise and treat. “It is precisely the combination of subtle early signs, rapid deterioration and an unknown cause that makes this disease so complex,” they explain.