Sensitivity of Larvae and Adult and the Immunologic Characteristics of Litopenaeus vannamei under the Acute Hypoxia
Table 2
Estimated 12 h LC50, 95% confidence intervals (CI), 90% lethal concentration, and 10% lethal concentration of the test white shrimp Litopenaeus vannamei.
Life stage
LC50
CI
90% lethal concentration
10% lethal concentration
Zygote
1.288
0.546
3.042
Nauplius
1.335
0.899–1.737
0.868
2.054
Zoea I
1.404
1.257–1.525
1.057
1.866
Zoea II
1.387
1.055–1.611
1.046
1.838
Zoea III
1.722
1.569–1.856
1.230
2.413
Mysis I
1.722
1.569–1.856
1.230
2.413
Mysis II
1.762
1.600–1.910
1.178
2.637
Mysis III
2.113
1.967–2.254
1.537
2.907
Postlarvae I
1.490
1.340–1.632
0.951
2.335
Postlarvae II
1.504
1.353–1.651
0.920
2.460
Postlarvae III
1.349
1.197–1.502
0.709
2.564
Postlarvae IV
1.074
0.954–1.197
0.607
1.900
Postlarvae V
1.135
1.006–1.266
0.620
2.076
Postlarvae VI
1.299
1.153–1.446
0.696
2.424
5 cm
0.577
0.463–0.775
0.377
0.883
6 cm
0.535
0.430–0.731
0.351
0.816
7.5 cm
0.625
0.404–1.477
0.429
0.911
8.5 cm
0.640
0.564–0.735
0.419
0.977
10 cm
0.593
0.537–0.762
0.463
0.759
11.5 cm
0.593
0.537–0.762
0.463
0.759
13.5 cm
0.651
0.582–0.740
0.482
0.878
Note. The results were derived from the mean of repeated experiments and the duration of hypoxia was 12 hours.
