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a chronic and usually asymptomatic invasive disease affecting domestic and wild animals (and sometimes man) that is caused by the unicellular parasites sarcocysts. Sarcosporidiosis is characterized by the formation in muscle tissue of cysts (Miescher’s tubes) filled with trophozoites (spores). Massively infected animals suffer from lameness, endomyocarditis, and paralysis. Diagnosis is made after death; Lubianetskii’s compressor method is used to find the cysts. No treatment exists. Carcasses and organs that are heavily infected are used by nonfood industry.