Equine Diseases and Resources The diseases listed here are some of the most important transboundary diseases of equines. Some of these are zoonotic. Acariasis African Horse Sickness Amblyomma hebraeum Amblyomma variegatum Anthrax Boophilus annulatus Boophilus microplus Botulism Brucella abortus Brucella suis Brucellosis Chlamydiosis (Mammalian) Coccidioidomycosis Contagious Equine Metritis Cryptococcosis Cryptosporidiosis see all 58 diseases » Resources and Information Equine Disease Exposure Routes