histofarcin test for the diagnosis of epizootic lymphangitis in ethiopia: development, optimisation, and validation in the field.histofarcin, a skin test antigen for the diagnosis of epizootic lymphangitis, was locally produced from the mycelial form of histoplasma capsulatum var. farciminosum (hcf) in disease-endemic districts of ethiopia and tested for its application in the field between april 2002 and may 2003. the test was evaluated using 108 mules, 84 in endemic and 24 in disease-free districts. microscopic and mycological examinations of clinical lesions were used as the "gold standard" for the validation of the te ...200616490721
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