ASSOCIATED VACCINE AGAINST COLIBACTERIOSIS, SALMONELLOSIS, STREPTOCOCCOSIS AND ENTEROCOCCAL INFECTION IN NUTRIAS

FIELD: veterinary medicine. ^ SUBSTANCE: the vaccine suggested contains as antigens: the cell suspension of pure cultures of Escherichia coli, Salmonella typhimurium and Streptococcus fecalis obtained due to selecting the affected organs from dead nutrias out of local epizootic focus, preparing the suspension, inoculation onto differential-diagnostic media, isolating pure cultures of the agents of Escherichia coli, Salmonella typhimurium and Streptococcus fecalis. The obtained pure cultures of microorganisms should be separately grown in beef-extract broth with glucose up to the concentration of microbial cells being 4-5 bln/cu. cm to be then mixed at equal ratios. The vaccine, also, contains formalin, glucose and aluminum hydroxide at the following ratio of the components, weight%: cell suspension of Escherichia coli pure culture isolated from the affected organs out in dead nutrias out of local epizootic focus in nutritive medium at the titer being 4-5 bln microbial cells/cu. cm 18.0-21.0; cell suspension of Salmonella typhimurium pure culture isolated from the affected organs in dead nutrias out of local epizootic focus in nutritive medium at the titer being 4-5 bln microbial cells/cu. cm 18.0-21.0, cell suspension of Streptococcus pneumoniae pure culture isolated from the affected organs in dead nutrias out of local epizootic focus in nutritive medium at the titer being 4-5 bln microbial cells/cu/ cm 18.0-21.0 cell suspension of Streptococcus fecalis pure culture isolated from the affected organs in dead nutrias out of local epizootic focus in nutritive medium at the titer being 4-5 bln microbial cells/cu. cm 18.0-21.0, glucose 2.0-1.0; formalin 2.0-1.5; aluminum hydroxide - the rest. The vaccine in question is of high specificity, safety and immunogenicity. ^ EFFECT: higher efficiency. ^ 5 ex, 1 tbl