Table 3 Growth performance of growing-finishing pigs fed low protein diet supplemented with different amino acids (n = 6)

25.4 ± 0.7

25.5 ± 0.8

25.4 ± 0.5

25.5 ± 0.6

25.4 ± 0.7

25.4 ± 0.5

25.8 ± 0.8

0.94

0.98

51.5 ± 0.7

51.8 ± 0.6

50.5 ± 2.0^abc

47.4 ± 2.0^c

48.3 ± 1.1^bc

52.0 ± 0.9^ab

52.3 ± 0.6^a

0.56

0.05

1641 ± 55

1607 ± 60

1573 ± 43^bc

1550 ± 112^bc

1461 ± 86^c

1795 ± 56^a

1715 ± 22^ab

0.68

0.02

791 ± 33

808 ± 29

761 ± 18^ab

665 ± 44^b

691 ± 44^b

801 ± 26^a

813 ± 13^a

0.49

< 0.01

2.09 ± 0.07

1.99 ± 0.05

2.07 ± 0.02^b

2.33 ± 0.06^a

2.12 ± 0.06^b

2.23 ± 0.08^ab

2.11 ± 0.04^b

0.37

0.02

51.5 ± 0.7

51.8 ± 0.6

50.5 ± 2.0^abc

47.4 ± 2.0^c

48.3 ± 1.1^bc

52.0 ± 0.9^ab

52.3 ± 0.6^a

0.56

0.05

75.8 ± 1.8

77.0 ± 1.9

76.0 ± 1.5

77.0 ± 2.3

71.7 ± 2.7

76.8 ± 1.6

76.0 ± 1.2

0.92

0.10

2132 ± 46

2076 ± 146

2351 ± 77

2280 ± 63

2155 ± 106

2306 ± 96

2307 ± 62

0.15

0.53

866 ± 32

844 ± 56

908 ± 43

842 ± 24

838 ± 31

883 ± 34

860 ± 28

0.58

0.51

2.48 ± 0.08

2.47 ± 0.08

2.63 ± 0.18

2.71 ± 0.05

2.57 ± 0.06

2.62 ± 0.13

2.69 ± 0.05

0.61

0.90

75.8 ± 1.8

77.0 ± 1.9

76.0 ± 1.5

77.0 ± 2.3

71.7 ± 2.7

76.8 ± 1.6

76.0 ± 1.2

0.92

0.10

103.2 ± 2.6

103.9 ± 2.6

104.1 ± 2.1

99.4 ± 2.7

101.7 ± 2.6

102.4 ± 2.9

104.0 ± 1.6

0.60

0.60

2734 ± 142

2699 ± 143

2703 ± 67

2949 ± 104

2703 ± 140

2709 ± 101

2753 ± 93

0.97

0.41

932 ± 50

902 ± 36

938 ± 34^ab

947 ± 43^ab

1000 ± 18^a

856 ± 52^b

914 ± 22^ab

0.80

0.06

2.94 ± 0.07

2.99 ± 0.13

2.90 ± 0.11^ab

3.13 ± 0.08^a

2.71 ± 0.15^b

3.20 ± 0.16^a

3.01 ± 0.11^ab

0.81

0.07

103.2 ± 2.6

103.9 ± 2.6

104.1 ± 2.1

99.4 ± 2.7

101.7 ± 2.6

102.4 ± 2.9

104.0 ± 1.6

0.60

0.60

123.9 ± 3.2

123.6 ± 3.3

122.8 ± 3.2

118.8 ± 3.4

123.2 ± 3.1

122.3 ± 3.1

120.7 ± 2.1

0.97

0.87

3080 ± 145

2866 ± 117

3049 ± 135

3146 ± 109

3083 ± 105

3104 ± 103

2829 ± 210

0.52

0.54

958 ± 62

937 ± 68

889 ± 57^ab

926 ± 52^ab

1022 ± 47^a

946 ± 53^ab

798 ± 38 ^b

0.95

0.08

3.25 ± 0.16

3.1 ± 0.21

3.28 ± 0.08^ab

3.42 ± 0.10^a

3.03 ± 0.10^b

3.31 ± 0.13^ab

3.53 ± 0.14^a

0.70

0.04

25.4 ± 0.7

25.5 ± 0.8

25.4 ± 0.5

25.5 ± 0.6

25.4 ± 0.7

25.4 ± 0.5

25.8 ± 0.8

0.94

0.98

123.9 ± 3.2

123.6 ± 3.3

122.8 ± 3.2

118.8 ± 3.4

123.2 ± 3.1

122.3 ± 3.1

120.7 ± 2.1

0.97

0.87

2326 ± 77

2270 ± 108

2347 ± 53

2406 ± 74

2271 ± 95

2413 ± 46

2351 ± 76

0.91

0.43

879 ± 22

876 ± 37

877 ± 25

833 ± 29

872 ± 21

865 ± 28

856 ± 11

0.99

0.72

2.64 ± 0.05

2.60 ± 0.10

2.63 ± 0.04^bc

2.88 ± 0.04^a

2.58 ± 0.07^c

2.80 ± 0.08^ab

2.75 ± 0.08^ab

0.89

0.01