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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