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Table 6 The effects of adding sodium dichloroacetate (DCA) to low-protein diets on the portal-drained viscera balance of amino acids (mg/kg/h) and NH3 (μmol/kg/h) in pigs*

From: Effects of adding sodium dichloroacetate to low-protein diets on nitrogen balance and amino acid metabolism in the portal-drained viscera and liver of pigs

Items

Treatments

SEM

P

Control

LP

LP-DCA

Lys

14.3

12.9

14.2

0.29

0.087

Met

6.36a

5.16b

6.16a

0.12

0.005

Thr

12.2a

10.4b

12.3a

0.32

0.013

Trp

3.12a

2.56b

2.70b

0.05

0.031

Arg

11.9a

9.44b

11.8a

0.25

<.001

His

7.47a

5.06b

7.31a

0.17

<.001

Ile

13.2a

10.8b

13.0a

0.25

<.001

Leu

15.9a

13.2b

15.1a

0.31

0.001

Phe

12.5a

9.57b

11.9a

0.24

<.001

Val

5.83a

4.70b

5.78a

0.18

0.049

Pro

6.72a

4.20b

6.42a

0.15

<.001

Asn

7.80a

6.37b

7.79a

0.27

0.049

Ser

4.65a

2.19b

4.14a

0.18

<.001

Gln

-5.67a

−10.3b

−6.19a

0.69

0.002

Gly

35.4a

28.2b

22.6c

0.57

<.001

Ala

38.4a

28.8b

23.8c

0.60

<.001

Cys

4.74

4.20

4.86

0.15

0.176

Tyr

4.41a

2.64b

4.24a

0.20

0.001

EAAs

103a

83.8b

100a

2.13

<.001

NEAAs

96.5a

66.3b

67.7b

2.10

<.001

TAAs

199a

150c

168b

4.20

<.001

NH3

79.5a

56.8b

45.7c

1.46

<.001

  1. Data are presented as means (n = 5)
  2. Abbreviations: Control 18.0% CP, CP Crude protein, DM Dry matter, EAAs Essential amino acids, NEAsA Non-essential amino acids, LP 13.5% CP, LP-DCA 13.5% CP + 100 mg DCA/kg DM, SEM Standard error of mean, TAAs Total amino acids
  3. *A positive value means the amount of nitrogen-containing compound entering the portal vein is greater than that entering the portal-drained viscera through the artery; a negative value means the amount of nitrogen-containing compound entering the portal vein is less than that entering the portal-drained viscera through the artery
  4. a,b,cValues within a row with different superscripts differ significantly (P < 0.05)