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Table 4 Contents of apparent ileal digestible crude protein (CP) and amino acids (AA; LSMeans ± SEM, g/kg dry matter intake) in barley-based assay diets fed to growing pigs

From: Determination of basal ileal endogenous losses and standardized ileal digestibility of amino acids in barley fed to growing pigs

Item

B1

B2

B3

B4

B5

B6

B7

B8

P-value*

na

9

9

9

7

8

9

8

9

 

CP

65.2 ± 1.18

72.9 ± 1.17

69.1 ± 1.17

62.4 ± 1.18

74.8 ± 1.18

73.9 ± 1.18

80.0 ± 1.17

76.6 ± 1.09

<0.001

Indispensable AA

 Arg

4.2 ± 0.05

4.1 ± 0.05

3.7 ± 0.05

3.9 ± 0.05

4.2 ± 0.05

4.5 ± 0.05

4.6 ± 0.05

4.2 ± 0.04

<0.001

 His

1.2 ± 0.02

1.7 ± 0.02

1.6 ± 0.02

1.6 ± 0.02

1.8 ± 0.02

1.7 ± 0.02

1.8 ± 0.02

1.8 ± 0.02

<0.001

 Ile

2.4 ± 0.03

2.7 ± 0.03

2.5 ± 0.03

2.1 ± 0.03

3.0 ± 0.03

2.6 ± 0.03

2.6 ± 0.03

2.5 ± 0.03

<0.001

 Leu

5.4 ± 0.06

5.4 ± 0.06

4.9 ± 0.06

5.0 ± 0.06

5.9 ± 0.06

5.9 ± 0.06

6.2 ± 0.06

5.8 ± 0.06

<0.001

 Lys

2.2 ± 0.05

2.1 ± 0.05

1.8 ± 0.05

2.0 ± 0.05

2.1 ± 0.05

2.3 ± 0.05

2.3 ± 0.05

2.2 ± 0.05

<0.001

 Met

1.3 ± 0.01

1.3 ± 0.01

1.2 ± 0.01

1.1 ± 0.01

1.5 ± 0.01

1.3 ± 0.01

1.4 ± 0.01

1.3 ± 0.01

<0.001

 Phe

3.9 ± 0.05

3.7 ± 0.05

3.4 ± 0.05

3.3 ± 0.05

4.4 ± 0.05

4.2 ± 0.05

4.8 ± 0.05

4.5 ± 0.05

<0.001

 Thr

2.2 ± 0.05

1.9 ± 0.05

2.0 ± 0.05

1.9 ± 0.05

2.1 ± 0.05

2.1 ± 0.05

2.3 ± 0.05

2.3 ± 0.05

<0.001

 Trp

0.8 ± 0.02

0.8 ± 0.02

0.7 ± 0.02

0.8 ± 0.02

0.9 ± 0.02

0.9 ± 0.02

0.9 ± 0.02

0.9 ± 0.01

<0.001

 Val

3.5 ± 0.05

3.7 ± 0.05

3.4 ± 0.05

3.4 ± 0.05

4.2 ± 0.05

3.7 ± 0.05

3.8 ± 0.05

3.7 ± 0.04

<0.001

Dispensable AA

 Ala

2.5 ± 0.06

2.4 ± 0.06

2.2 ± 0.06

2.2 ± 0.06

2.4 ± 0.06

2.5 ± 0.06

2.7 ± 0.06

2.5 ± 0.06

<0.001

 Asp

3.9 ± 0.08

3.7 ± 0.08

3.1 ± 0.08

3.4 ± 0.08

3.6 ± 0.08

4.0 ± 0.08

3.9 ± 0.08

3.8 ± 0.08

<0.001

 Cys

1.7 ± 0.02

1.6 ± 0.02

1.6 ± 0.02

1.7 ± 0.02

1.8 ± 0.02

2.0 ± 0.02

2.1 ± 0.02

1.9 ± 0.02

<0.001

 Glu

20.6 ± 0.15

22.4 ± 0.14

21.6 ± 0.14

18.7 ± 0.15

25.1 ± 0.15

21.6 ± 0.15

24.1 ± 0.14

23.4 ± 0.13

<0.001

 Gly

2.2 ± 0.10

1.8 ± 0.10

1.7 ± 0.10

2.0 ± 0.10

1.8 ± 0.10

2.2 ± 0.10

2.3 ± 0.10

2.5 ± 0.09

0.025

 Pro

8.1 ± 0.22

8.8 ± 0.22

8.5 ± 0.22

7.4 ± 0.22

10.2 ± 0.22

9.1 ± 0.22

10.8 ± 0.22

9.8 ± 0.20

<0.001

 Ser

3.1 ± 0.06

3.2 ± 0.05

3.0 ± 0.05

2.8 ± 0.05

3.3 ± 0.05

3.3 ± 0.05

3.5 ± 0.05

3.3 ± 0.05

<0.001

  1. *P-value for linear effect
  2. a n = number of pigs per treatment
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Journal of Animal Science and Biotechnology

ISSN: 2049-1891