Skip to main content

Table 4 Effects of dietary supplementation with 0 (control) or 0.4% L-arginine (Arg) between d 14 and d 30 of gestation on total amounts of amino acids and related metabolites in fetal fluids of gilts

From: Dietary supplementation with 0.4% L-arginine between days 14 and 30 of gestation enhances NO and polyamine syntheses and water transport in porcine placentae

Variable

Allantoic fluid

Amniotic fluid

Control

0.4% Arg

% increase

Control

0.4% Arg

% increase

Ala

537 ± 59

820 ± 110*

52.7

3.95 ± 0.33

6.34 ± 0.43*

60.5

β-Ala

18.6 ± 0.83

27.4 ± 0.81*

47.3

0.12 ± 0.01

0.21 ± 0.02*

75.0

Arg

376 ± 36

819 ± 76*

117.8

2.20 ± 0.14

3.81 ± 0.19*

73.2

Asn

126 ± 8.7

194 ± 12*

54.0

0.76 ± 0.05

1.38 ± 0.15*

81.6

Asp

32.2 ± 3.0

50.4 ± 4.8*

56.5

0.22 ± 0.02

0.40 ± 0.04*

81.8

Cit

21.3 ± 2.1

31.5 ± 2.8*

47.9

0.12 ± 0.01

0.22 ± 0.03*

83.3

Cys1

157 ± 13

232 ± 22*

47.8

0.53 ± 0.05

0.92 ± 0.11*

73.6

Glu

266 ± 24

429 ± 41*

61.3

1.91 ± 0.12

3.24 ± 0.40*

69.6

Gln

1307 ± 129

2,129 ± 211*

62.9

10.0 ± 0.68

17.2 ± 1.1*

72.0

Gly

1720 ± 118

3,403 ± 359*

97.8

5.02 ± 0.19

8.59 ± 0.80*

71.1

His

160 ± 15

246 ± 27*

53.8

0.70 ± 0.04

1.30 ± 0.18*

85.7

Hyp

105 ± 7.5

156 ± 13*

48.6

0.52 ± 0.04

0.91 ± 0.06*

75.0

Ile

60.5 ± 4.3

84.1 ± 6.6*

39.0

0.76 ± 0.07

1.32 ± 0.17*

73.7

Leu

130 ± 6.9

194 ± 12*

49.2

1.97 ± 0.18

3.52 ± 0.33*

78.7

Lys

735 ± 59

1,109 ± 109*

50.9

2.98 ± 0.17

4.99 ± 0.38*

67.4

Met

43.6 ± 3.5

62.0 ± 3.7*

42.2

0.70 ± 0.03

1.16 ± 0.08*

65.7

Ornithine

231 ± 20

418 ± 29*

81.0

1.51 ± 0.09

2.54 ± 0.18*

68.2

Phe

78.1 ± 8.0

113 ± 9.9*

44.7

1.03 ± 0.07

1.79 ± 0.14*

73.8

Pro

529 ± 49

837 ± 87*

58.2

1.54 ± 0.16

2.72 ± 0.26*

76.6

Ser

1175 ± 108

2,137 ± 161*

81.9

5.25 ± 0.19

9.34 ± 1.1*

77.9

Taurine

945 ± 75

1,353 ± 104*

43.2

1.65 ± 0.11

2.70 ± 0.15*

63.6

Thr

450 ± 35

633 ± 50*

40.7

3.31 ± 0.19

5.56 ± 0.43*

68.0

Trp

28.7 ± 2.2

41.6 ± 2.5*

44.9

0.21 ± 0.02

0.35 ± 0.04*

66.7

Tyr

94.8 ± 5.7

141 ± 10*

48.7

0.77 ± 0.05

1.31 ± 0.09*

70.1

Val

176 ± 8.7

263 ± 17*

49.4

2.58 ± 0.23

4.33 ± 0.45*

67.8

Glucose

2866 ± 265

4,600 ± 413*

60.5

21.9 ± 1.6

35.6 ± 2.7*

62.6

Fructose

5120 ± 338

7,238 ± 505*

41.4

37.2 ± 3.0

58.4 ± 4.9*

57.0

Glycerol

473 ± 41

506 ± 55

NC

1.72 ± 0.19

2.08 ± 0.21

NC

  1. Values, expressed as µmol/litter, are means ± SEM, n = 10 gilts/treatment group
  2. 1Cysteine + ½ cysteine; Hyp: 4-hydroxyproline; NC: no change
  3. †P < 0.05 vs. the corresponding control group
  4. *P < 0.01 vs. the corresponding control group