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Table 2 Effects of group and parity class on sows’ condition (Least square means, RSDa, P-values)

From: Providing supplementary, artificial milk for large litters during lactation: effects on performance and health of sows and piglets: a case study

  Treatment Parity class   P-values
  SGb CGc A (1/2) B (3/4) C (5–9) RSD Group Parity class
Sow live weight, kg         
 Housing-in 271.7 270.8 245.9a 269.0b 299.0c 14.5 0.728 <.0001
 Housing-out 234.0 235.8 208.3a 232.0b 264.4c 18.9 0.492 <.0001
Body condition scored         
 Housing-in 3.86 3.84 3.92 3.75 3.88 0.33 0.741 <.0001
 Housing-out 2.92 2.89 2.75a 2.79b 3.17c 0.41 0.904 <.0001
Difference in backfat thickness Housing-in to -out, mm         
 Anterior 3.76 4.71 4.99 4.11 3.60 2.40 0.061 0.196
 Middle 2.91 3.26 3.69 2.96 2.62 1.17 0.353 0.136
 Posterior 3.00 3.33 3.98a 3.00a,b 2.51b 1.84 0.351 0.037
  1. aRSD: residual standard deviation
  2. bSG: supplemented group
  3. cCG: control group
  4. dclasses 1.00 (skinny) to 5.00 (fat), 0.25 intervals
  5. *a,b: values within group or parity class with different superscripts differ significantly at P < 0.05 t-test with Bonferroni correction