Table 2. Survival (%) of L. vannamei post-larvae after 24, 48, 72 and 96 h challenges with 1×101, 1×103, 1×105 and 1×107 V. harveyi/mL.
Treatment | Dose (Bacteria/ml) | Survival (%) | |||
24 h | 48 h | 72 h | 96 h | ||
Control | 0 | 97±2b | 86±2c | 73±3c | 61±5b |
V. harveyi | 1×101 | 83±3a | 66±2b | 55±5b | 33±3a |
1×103 | 82±2a | 67±7b | 47±6b | 32±4a | |
1×105 | 80±3a | 60±7b | 48±4b | 31±4a | |
1×107 | 80±3a | 41±5a | 32±5a | 26±2a |
The standard deviation is added (mean±SD) for each value. All treatments were done in triplicate. Values in a single column for each experiment showing the same superscript letter are not significantly different (P>0.05).