FIGURE 6.
Cumulative mortality observed in the different groups after disease challenge with Streptococcus agalactiae administered via the intraperitoneal route. NC, negative control (no challenge with bacteria); PC, positive control; G1, probiotics in feed; G2, probiotics in water; G3, probiotics in feed and water. a,b,cDifferent letters indicate significant differences between treatments (P < 0.05).