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Table 5 The effect of stocking density on the growth of river puffer

From: The effect of feeding frequency, water temperature, and stocking density on the growth of river puffer Takifugu obscurus reared in a zero-exchange water system

  Initial Final DFC
(%)
Weight gain
(%)
Feed efficiency1
(%)
Survival
(%)
Body weight (g) Stocking density (kg/m3) Body weight (g) Stocking density (kg/m3)
10-g size 10.1 ± 0.05 4 25.7 ± 0.99a 10.1 ± 0.39 1.55 ± 0.06a 154 ± 11.0a 96.3 ± 3.93a 100 ± 0.00a
10.0 ± 0.02 8 24.4 ± 2.14a 19.2 ± 1.68 1.49 ± 0.13a 143 ± 20.9ab 87.9 ± 5.70ab 100 ± 0.00a
10.0 ± 0.01 12 24.4 ± 2.33a 28.7 ± 2.74 1.47 ± 0.19ab 134 ± 16.7ab 85.4 ± 5.15b 98.6 ± 2.41a
10.2 ± 0.06 20 20.4 ± 2.43b 39.9 ± 4.77 1.21 ± 0.20b 118 ± 6.31b 80.7 ± 2.05b 98.3 ± 2.89a
40-g size 40.5 ± 0.32 3 98.3 ± 3.01a 7.38 ± 0.23 0.99 ± 0.05a 143 ± 11.7a 82.8 ± 3.40a 100 ± 0.00a
40.2 ± 0.26 6 89.9 ± 8.64a 13.5 ± 1.30 0.91 ± 0.09a 124 ± 20.3a 80.9 ± 4.22a 100 ± 0.00a
40.0 ± 0.31 9 75.9 ± 3.37b 17.1 ± 0.76 0.74 ± 0.04b 90.1 ± 7.42b 78.7 ± 3.13a 98.1 ± 3.21a
40.0 ± 0.28 15 73.2 ± 5.45b 27.5 ± 2.04 0.69 ± 0.09b 83.6 ± 15.2b 77.1 ± 5.89a 96.7 ± 3.33a
  1. For each body weight group, values in the same column having the same superscript are not significantly different (P < 0.05)
  2. 1Refer to Table 1