特異性:Streptococcus agalactiae Cross-reacts weakly with Strep. dysgalactiae. Does not cross-react with Strep. uberis, Strep. bovis Strep. faecalis, Staph. aureus, Mycoplasma bovis, Mycoplasma californicum, Mycoplasma bovigenitalium, E. coli or Corynebacteriu