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Table 4 Serum AAs and NH3 [mg/dL] in piglets within 48 h p.n. depending on farrowing system (mean ± SD)

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

  FC [n = 24] LH [n = 24] GH [n = 24]
BW [kg] 1.56 ± 0.38 1.52 ± 0.360 1.56 ± 0.473
Serum AAs [mg/dL]
 Arginine 2.65ab ± 1.44 2.53a ± 1.09 1.75b ± 0.44
 Leucine 3.09a ± 1.06 2.79a ± 1.05 2.10b ± 0.60
 Lysine 5.19a ± 2.62 4.04ab ± 2.07 3.49b ± 1.21
 Methionine 0.96 ± 0.76 0.85 ± 0.82 0.67 ± 0 32
 Proline 10.2a ± 3.86 11.7a ± 3.67 7.89b ± 3.07
 Threonine 2.77a ± 1.17 2.86a ± 0.86 1.99b ± 0.92
 Tryptophan* 0.64 ± 0.18 0.64 ± 0.32 0.57 ± 0.18
 Valine 5.10a ± 1.85 4.87ab ± 2.01 3.87b ± 1.07
 NH3 6.61 ± 1.35 7.16 ± 1.30 7.35 ± 1.39
  1. FC farrowing crate, LH loose housing, GH group housing, BW body weight [kg]
  2. a,b Values within a row with different superscripts differ significantly at p < 0.05
  3. * FC: n = 8; LH: n = 8; GH: n = 7 (only measurable with these piglets)