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Table 3 Whole-body composition of L. vannamei fed the six experimental diets containing six different levels of crude protein (25, 30, 35, 40, 45, and 50% for P25, P30, P35, P40, P45, and P50, respectively)

From: Dietary protein requirement of Pacific white shrimp Litopenaeus vannamei in three different growth stages

 

Experimental diets

P25

P30

P35

P40

P45

P50

Trial 1 (initial BW 0.65 g)

 Moisture

83.6 ± 3.12a

76.3 ± 2.73c

77.6 ± 1.17bc

76.5 ± 1.61c

77.4 ± 0.78bc

79.1 ± 0.45b

 Protein

76.6 ± 4.78

76.8 ± 5.47

80.9 ± 5.13

78.3 ± 6.69

76.6 ± 3.91

79.3 ± 2.04

 Lipid

5.15 ± 0.95

4.87 ± 0.88

4.57 ± 0.08

4.22 ± 0.65

4.93 ± 0.75

5.42 ± 0.97

 Ash

21.0 ± 2.46

20.2 ± 1.66

20.2 ± 1.67

20.9 ± 1.26

20.7 ± 0.93

20.5 ± 1.05

Trial 3 (initial BW 10.5 g)

 Moisture

76.5 ± 1.13a

74.6 ± 1.47bc

75.6 ± 1.08ab

74.5 ± 0.24bc

73.4 ± 1.35c

76.2 ± 0.55a

 Protein

75.6 ± 3.63b

82.8 ± 1.60a

82.7 ± 1.93a

82.9 ± 2.54a

84.1 ± 0.92a

83.7 ± 2.04a

 Lipid

4.45 ± 0.34

4.67 ± 0.31

4.64 ± 0.47

4.57 ± 0.34

4.70 ± 0.15

4.57 ± 0.31

 Ash

13.0 ± 1.32

12.3 ± 1.14

13.1 ± 1.20

12.6 ± 0.68

12.6 ± 0.68

13.7 ± 0.95

  1. Values are mean of triplicate groups and presented as mean ± S.D. Values with different superscript letters in the same row are significantly different (P < 0.05). The lack of superscript letter indicates no significant differences among treatments