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Table 2 The effect of feeding frequency 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

 

Treatment

Body weight (g)

DFC1

(%)

Weight gain

(%)

Feed efficiency2

(%)

Survival

(%)

Initial

Final

10-g size

1 meal per day

8.9 ± 0.06

19.3 ± 2.2

1.29 ± 0.18b

114 ± 16.3b

89.7 ± 1.54b

97.8 ± 1.92a

2 meals per day

8.8 ± 0.03

23.0 ± 1.4

1.60 ± 0.08ab

159 ± 9.55ab

93.6 ± 2.13a

100 ± 0.00a

3 meals per day

8.8 ± 0.05

21.6 ± 2.5

1.50 ± 0.15ab

156 ± 17.3ab

92.8 ± 1.27ab

98.9 ± 1.92a

5 meals per day

8.8 ± 0.07

24.2 ± 2.8

1.65 ± 0.19a

174 ± 35.8a

94.4 ± 2.43a

100 ± 0.00a

40-g size

1 meal per day

38.4 ± 0.3

61.6 ± 5.02

0.82 ± 0.13b

60.4 ± 11.9b

75.5 ± 3.22a

96.7 ± 2.89a

2 meals per day

38.7 ± 0.2

70.7 ± 5.16

1.04 ± 0.12a

82.8 ± 14.2a

80.6 ± 2.75a

100 ± 0.00a

3 meals per day

38.5 ± 0.2

72.7 ± 2.01

1.10 ± 0.04a

88.9 ± 5.06a

81.3 ± 1.86a

100 ± 0.00a

5 meals per day

38.7 ± 0.2

71.3 ± 1.94

1.06 ± 0.04a

84.3 ± 4.98a

81.0 ± 3.44a

98.3 ± 2.89a

  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. 1DFC = daily feed consumption: (final body weight − initial body weight)/[(final body weight + initial body weight)/2 × feeding days] × 100
  3. 2Feed efficiency: (weight gain/feed intake) × 100