Caused by Sarcocystis neurona. A small parasitic protozoan. Horse is an aberrant host. Parasite may settle in the spinal cord. Causes incoordination and paralysis.
Opossum is one of the host species.
Glanders Melioidosis Leptospirosis Ulcerative Lymphangitis Strangles Bacterial disease which was almost eradicated after the discovery of penicillin. Resurgence due to the use of more effective antibiotics in equine practice. Affects the very young and the very old. Caused by Streptococcus equi equi. Pseudostrangles Similar signs due to Strep.