Table 1 Comparative fish mortality, survival and relative percentage survival (RPS) between controls unvaccinated fish, fish vaccinated with single booster, and fish vaccinated with double booster regimes followed by intraperitoneal challenge with 0.5 mL of 1.0 × 109 CFU/mL of live Streptococcus agalactiae
Group | Number of Fish | Mortality (n) Post-challenge | Survival | RPS | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
D1 | D2 | D3 | D4 | D5 | D6 | D7 | Rate (%) | |||
Single Booster | 20 | 6 | 3 | 0 | 1 | 1 | 0 | 0 | 45 | 45b |
Double Booster | 20 | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 70 | 70c |
Control | 20 | 7 | 5 | 3 | 3 | 2 | 0 | 0 | 0 | 0a |