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Table 4 Change of serum enzyme activity in rockfish, Sebastes schlegelii, exposed to the different ammonia concentrations and water temperatures. Values with different superscript are significantly different (P < 0.05) as determined by Duncan’s multiple range test

From: Toxic effects of ammonia exposure on growth performance, hematological parameters, and plasma components in rockfish, Sebastes schlegelii, during thermal stress

Parameters Period (weeks) Ammonia concentration (mg/L)
19 °C 24 °C
0 0.1 0.5 1.0 0 0.1 0.5 1.0
GOT (Karmen/mL) 2 4.25 ± 0.64a 4.65 ± 0.45a 6.32 ± 0.33b 6.29 ± 0.65b 4.21 ± 0.64a 4.06 ± 0.43a 5.95 ± 0.48b 8.44 ± 1.06c
4 4.51 ± 0.68a 4.61 ± 0.63a 5.80 ± 0.67b 8.13 ± 0.73c 4.36 ± 0.53a 4.65 ± 0.42a 6.23 ± 0.54b 8.63 ± 0.78c
GPT (Karmen/mL) 2 5.41 ± 0.67a 5.30 ± 0.56a 5.34 ± 0.62a 5.12 ± 0.44a 5.37 ± 0.43a 4.97 ± 0.35a 5.15 ± 0.57b 9.47 ± 0.78c
4 5.76 ± 0.55a 5.45 ± 0.58a 5.79 ± 0.38a 10.94 ± 1.30b 5.65 ± 0.75a 5.83 ± 0.61a 13.02 ± 1.26c 11.04 ± 1.32b