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Table 8 Serum AAs and NH3 [mg/dL] in piglets within 48 h p.n. and on weaning depending on weight class (mean ± SD)

From: Immunocrit, serum amino acid concentrations and growth performance in light and heavy piglets depending on sow’s farrowing system

 

within 48 h p.n.

day of weaning (day 26)

Light [n = 30]

Heavy [n = 42]

Light [n = 26]

Heavy [n = 41]

BW [kg]

1.14b ± 0.38

1.83a ± 0.36

6.39b ± 0.47

9.34a ± 0.47

Serum AAs [mg/dL]

 Arginine

2.07 ± 0.99

2.48 ± 1.21

3.17 ± 0.88

3.48 ± 0.70

 Leucine

2.47 ± 0.85

2.79 ± 1.10

2.53 ± 0.57

2.69 ± 0.61

 Lysine

4.02 ± 1.73

4.40 ± 2.40

3.19 ± 0.82

3.47 ± 1.08

 Methionine

0.69 ± 0.44

0.94 ± 0.78

1.20 ± 0.53

1.12 ± 0.28

 Proline

10.2 ± 3.59

9.75 ± 4.04

7.28 ± 1.88

7.05 ± 1.50

 Threonine

2.27 ± 1.08

2.73 ± 1.00

3.14 ± 1.39

3.01 ± 1.12

 Tryptophan*

0.62 ± 0.17

0.62 ± 0.27

0.90 ± 0.29

0.92 ± 0.39

 Valine

4.21 ± 1.53

4.91 ± 1.86

2.98 ± 0.83

3.07 ± 0.66

 NH3

7.07 ± 1.36

7.02 ± 1.39

7.86 ± 1.49

7.04 ± 1.20

  1. BW body weight [kg]; light (birth weight 24 h p.n.) < 1.4 kg, heavy (birth weight 24 h p.n.) ≥ 1.4 kg
  2. a,bValues within a row with different superscripts differ significantly at p < 0.05
  3. *within 48 h p.n. Light: n = 9; Heavy: n = 14. day of weaning Light: n = 12. Heavy: n = 24 (only measurable with these piglets)