Table 5 Effects of SPC in the starter diet on apparent digestibility of amino acids at the terminal ileum of broilers (dried matter basis), %

Methionine

77.04 ± 0.95

78.92 ± 1.64

0.457

Cystine

56.20 ± 1.66

59.26 ± 2.26

0.150

Methionine + Cystine

68.94 ± 1.22

70.86 ± 1.89

0.436

Lysine

68.31 ± 1.24

70.04 ± 2.31

0.580

Threonine

55.29 ± 1.40

57.44 ± 2.86

0.519

Arginine

76.97 ± 0.90

78.66 ± 1.53

0.426

Isoleucine

68.41 ± 0.99

68.55 ± 2.10

0.941

Leucine

70.41 ± 0.96

69.58 ± 2.02

0.722

Valine

66.22 ± 1.08

68.07 ± 2.10

0.572

Histidine

70.39 ± 1.02

71.33 ± 1.91

0.712

Phenylalanine

72.73 ± 0.87

74.21 ± 1.65

0.545

Tyrosine

70.93 ± 0.99

71.22 ± 2.21

0.567

Glycine

60.97 ± 1.13

62.22 ± 2.40

0.715

Serine

62.57 ± 1.24

65.95 ± 2.28

0.188

Proline

68.68 ± 1.08

71.50 ± 1.76

0.497

Alanine

65.27 ± 1.18

67.32 ± 2.21

0.434

Aspartate

67.71 ± 0.92

68.45 ± 1.96

0.815

Glutamate

75.56 ± 0.81

77.07 ± 1.50

0.403

Total amino acids contain ammonia

68.98 ± 1.00

70.29 ± 1.96

0.567

Total amino acids

69.24 ± 0.99

70.33 ± 1.96

0.992