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Table 4 The effect of water temperature 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

 

WT(°C)

Body weight (g)

DFC

(%)

Weight gain

(%)

SGR1

(%)

Q10

Feed efficiency2

(%)

Survival

(%)

Initial

Final

10-g size

15

10.2 ± 0.48

14.8 ± 4.35

0.65 ± 0.06c

44.4 ± 5.09c

0.66 ± 0.06c

 

61.4 ± 3.72c

94.4 ± 1.92b

20

10.5 ± 0.09

23.9 ± 4.73

1.39 ± 0.06b

128 ± 8.45b

1.47 ± 0.07b

5.04

81.7 ± 5.64b

100 ± 0.00a

25

10.6 ± 0.06

27.4 ± 6.04

1.57 ± 0.09a

157 ± 11.3a

1.69 ± 0.08a

1.32

94.8 ± 5.17a

100 ± 0.00a

30

10.6 ± 0.11

22.8 ± 5.17

1.30 ± 0.07b

115 ± 12.8b

1.37 ± 0.11b

0.66

78.3 ± 3.99b

90.0 ± 3.33b

40-g size

15

41.5 ± 0.32

50.1 ± 7.31

0.34 ± 0.06c

20.8 ± 2.25d

0.34 ± 0.03c

 

47.2 ± 3.24c

96.7 ± 2.89ab

20

40.9 ± 0.73

64.4 ± 11.6

0.80 ± 0.11a

57.3 ± 6.58b

0.81 ± 0.08a

4.98

62.7 ± 4.76b

98.3 ± 2.89ab

25

41.0 ± 0.65

69.1 ± 9.39

0.91 ± 0.08a

68.4 ± 5.46a

0.93 ± 0.05a

1.73

77.6 ± 4.17a

100 ± 0.00a

30

41.4 ± 0.05

56.4 ± 8.01

0.55 ± 0.08b

36.2 ± 4.89c

0.55 ± 0.06b

0.31

53.5 ± 3.67c

90.0 ± 5.00b

  1. Means and standard deviations of triplicate for each experimental group. For each body weight group, values in the same column having the same superscript are not significantly different (P < 0.05)
  2. 1Specific growth rate: [(ln final wt. − ln initial wt.)/days] × 100
  3. 2Refer to Table 1