Research Article
Effects of Salinity on Muscle Nutrition, Fatty Acid Composition, and Substance Anabolic Metabolism of Blue Tilapia Oreochromis aureus
Table 1
The effect of different salinity on the growth performance of Oreochromis aurea.
| Parameters | Groups | 0 | 3 | 5 | 7 | 9 | 11 |
| Initial weight (g) | 15.65 ± 4.21 | 15.57 ± 3.4 | 15.43 ± 3.29 | 15.44 ± 4.98 | 15.53 ± 4.3 | 15.52 ± 3.23 | Final weight (g) | 56.78 ± 5.68ab | 51.26 ± 2.39a | 55.33 ± 4.91ab | 56.11 ± 4.46ab | 61.98 ± 2.89b | 58.67 ± 3.56ab | WGR (g) | 262.81 ± 36.31ab | 229.15 ± 15.36a | 258.43 ± 31.8ab | 263.42 ± 28.91ab | 299.03 ± 18.65b | 277.89 ± 22.95ab | SGR (%/day) | 2.13 ± 0.16ab | 1.98 ± 0.07a | 2.12 ± 0.15ab | 2.14 ± 0.13ab | 2.3 ± 0.07b | 2.21 ± 0.1ab | FCR (%) | 1.02 ± 0.13ab | 1.13 ± 0.07a | 1.03 ± 0.13ab | 0.99 ± 0.11ab | 0.86 ± 0.06b | 0.93 ± 0.09ab | CF (g/cm3) | 3.22 ± 0.18ab | 3.27 ± 0.18ab | 3.03 ± 0.16a | 3.15 ± 0.07a | 3.48 ± 0.10b | 3.49 ± 0.14b | NW (%) | 88.52 ± 0.88ab | 88.95 ± 0.71b | 86.39 ± 0.49c | 87.02 ± 1.15ac | 86.84 ± 0.34ac | 87.79 ± 0.89abc |
|
|
Note. Values are mean ± SD; WGR: weight gain rate; SGR: specific growth rate; FCR: feed conversion ratio. CF: condition factor; EW: net weight; 0 : 0 ppt salinity; 3 : 3 ppt salinity; 5 : 5 ppt salinity; 7 : 7 ppt salinity; 9 : 9 ppt salinity; 11 : 11 ppt salinity; different superscript letters in the same row indicate significant differences ( ). |