FIELD: biotechnology, microbiology. SUBSTANCE: invention relates to antigen preparing. For preparing antigen strain Asp. fumigatus = 6 isolated from sick calf feces is used. Antigen-polysaccharide is prepared in culturing the strain = 6 in nutrient medium and used for preparing preparations against aspergillosis in agriculture animals. Strain Asp. fumigatus = 6 shows enhanced spore-forming activity, absence of pathogenicity and presence of immunogenic properties. EFFECT: valuable properties of strain. 3 tbl, 2 ex
Authors
Dates
2003-05-10—Published
2001-10-31—Filed