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Table 5 Growth performance and nitrogen balance in pigs on control, enzyme, or immune system stimulation treatmentc

From: Lipopolysaccharide immune stimulation but not β-mannanase supplementation affects maintenance energy requirements in young weaned pigs

Item CONd ENZe ISSf SEM Treatment P-value
Body Weight, kg
 d 0 10.23 10.21 10.38 0.15 0.651
 d 16 15.25 15.26 14.86 0.27 0.471
ADG d 1–16, g/d 313.9 316.0 279.7 13.6 0.128
Nitrogen (N) balance, g/d
 Intake 21.02a 20.93a 17.38b 0.95 0.021
 Excreted 6.21 7.08 6.24 0.45 0.318
  In feces 2.62a 2.83a 2.27b 0.11 0.007
  In urine 3.59 4.25 3.97 0.47 0.624
 Retained 14.81a 13.85ab 11.14b 0.99 0.045
% of excreted N in feces 41.31 41.21 38.42 3.29 0.778
% of excreted N in urine 58.69 58.79 61.58 3.29 0.778
Nitrogen balance, % of intake
 Excreted in feces 12.41 13.54 13.23 0.44 0.212
 Excreted in urine 17.38 21.40 24.56 4.14 0.495
  1. a,bWithin a row, treatment means without a common superscript differ, P < 0.05
  2. cn = 10 pigs per treatment
  3. dControl treatment (CON) = pigs fed basal diet (0.0% β-mannanase) with saline injection
  4. eEnzyme treatment (ENZ) = pigs fed enzyme diet (0.056% β-mannanase) with saline injection
  5. fImmune system stimulation treatment (ISS) = pigs fed enzyme diet (0.056% β-mannanase) with LPS (Escherichia coli serotype O55:B5) injection