Table 1.
A | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Conditions | Shrimp survival ratio (%) in days |
Shrimp health conditions |
|||||||||||||||||
3 | 6 | 9 | 12 | 15 | White spota | Overall health statusb | Hardness of outer skinc | ||||||||||||
Control | -WSSV | 100 | 86.7 | 66.7 | 60.0 | 60.0 | – | ± | ++ | ||||||||||
+ WSSV | 100 | 73.3 | 53.3 | 20.0 | 0.0 | ++ | ± | ± | |||||||||||
Isolate +WSSV | B. subtilisKA1 | 100 | 86.7 | 66.7 | 56.7 | 46.7 | ± | ++ | ++ | ||||||||||
B. licheniformis KA2 | 100 | 76.7 | 60.7 | 45.0 | 26.7 | + | + | ++ | |||||||||||
B. subtilis KA3 |
100 |
83.3 |
53.3 |
36.7 |
30.0 |
+ |
++ |
+ |
|||||||||||
B | |||||||||||||||||||
Conditions | Shrimp survival ratio (%) in days | Shrimp health condition | |||||||||||||||||
6 |
16 |
20 |
21 |
24 |
26 |
White spota |
Overall health statusb |
Hardness of outer skinc |
|||||||||||
Control | -WSSV | 100 | 96 | 8 | 8 | 8 | 8 | – | + | ++ | |||||||||
+ WSSV | 96 | 96 | 0 | 0 | 0 | 0 | ++ | ± | ± | ||||||||||
Isolate +WSSV | B. subtilis KA1 | 100 | 96 | 84 | 84 | 84 | 84 | ± | ++ | ++ | |||||||||
B. subtilis KA3 | 100 | 84 | 60 | 44 | 28 | 28 | + | + | + |
Note: a ++ many white spots, + medium, ± a few, – none. b ++ healthier and more actively moving, + healthy and actively moving, ± less healthy and less moving. c ++ hard, + medium, ± soft.