Table 5 Effects of dietary supplementation with 0 (control) or 0.4% L-arginine (Arg) between d 14 and d 30 of gestation on the concentrations and total amounts of NOx and polyamines in allantoic and amniotic fluids of gilts

Concentrations, nmol/mL

 NOx

69.1 ± 2.4

78.0 ± 3.0

45.6 ± 1.8

52.8 ± 2.5

 Putrescine

1.64 ± 0.08

1.84 ± 0.14

0.44 ± 0.04

0.48 ± 0.05

 Spermidine

2.32 ± 0.15

2.57 ± 0.15

0.71 ± 0.05

0.80 ± 0.06

 Spermine

2.54 ± 0.18

2.77 ± 0.16

0.74 ± 0.07

0.85 ± 0.06

 Total polyamines

6.50 ± 0.41

7.18 ± 0.43

1.89 ± 0.14

2.12 ± 0.15

Total amounts per litter

 NOx, µmol

141 ± 9.5

228 ± 12^*

664 ± 37

1307 ± 70^*

 Putrescine, nmol

3,308 ± 195

5,376 ± 478^*

6.41 ± 0.77

11.4 ± 0.54^*

 Spermidine, nmol

4,685 ± 345

7,536 ± 543^*

10.3 ± 0.74

19.6 ± 1.5^*

 Spermine, nmol

5,114 ± 409

8,145 ± 614^*

10.8 ± 1.1

20.9 ± 1.7^*

 Total polyamines, nmol

13,106 ± 929

21,056 ± 1,568^*

27.5 ± 2.4

51.9 ± 3.1^*