VACCINE AGAINST COLIBACTERIOSIS OF HENS

摘要

FIELD: medicine, veterinary science. ^ SUBSTANCE: invention relates to the field of veterinary science. Vaccine contains dissolvent and antigen on the basis of cultures Escherichia coli. As dissolvent, vaccine contains physiological solution, and as antigen - antigen of strain E. coli "B-5" with content of 1.0ù106-2.0ù106 microbial cells in 1 cm3 of physiological solution. ^ EFFECT: vaccine has highly immunogenic and protective properties as a result of forming antitoxic immunity. ^ 4 tbl, 3 ex