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Table 3 Effect of supplementing AGP, feed enzymes (ENZ) or yeast extract (YE) without or with ENZ on growth performance of weaned piglets challenged with E. coli LPS

From: Short-term effect of supplemental yeast extract without or with feed enzymes on growth performance, immune status and gut structure of weaned pigs challenged with Escherichia coli lipopolysaccharide

   LPS treatmentsc   Factoriald Contrast
Itema NCCb AGP CC YE ENZ YE + ENZ SEM Main effect YE Main effect ENZ YE × ENZ NCC vs CC AGP vs CC AGP vs YE AGP vs ENZ AGP vs YE + ENZ
d 1 BW, kg 6.89 6.88 6.90 6.89 6.91 6.86 0.237 NS NS NS NS NS NS NS NS
d 1 to 7
 ADG, g/d 159 212 150 140 196 164 31.7 NS NS NS NS NS NS NS NS
 ADFI, g/d 191 225 168 160 214 172 24 NS NS NS NS NS 0.06 NS NS
 G:F, g/g 0.82 0.93 0.77 0.83 0.91 0.87 0.062 NS NS NS NS NS NS NS NS
d 7 to 11
 ADG, g/d 323 226 130 174 170 160 33.2 NS NS NS 0.001 0.07 NS NS NS
 ADFI, g/d 366 288 214 229 264 249 29.8 NS NS NS 0.003 NS NS NS NS
 G:F, g/g 0.88 0.8 0.59 0.75 0.64 0.66 0.1 NS NS NS 0.07 NS NS NS NS
d 1 to 11
 BW, kg 9.3 9.27 8.07 8.39 8.9 8.78 0.319 NS 0.048 NS 0.02 0.02 0.04 NS NS
 ADG, g/d 241 239 112 162 192 190 27.3 NS 0.017 NS 0.004 0.004 0.03 NS NS
 ADFI, g/d 280 273 177 204 250 210 26.3 NS NS NS 0.02 0.03 0.06 NS 0.08
 G:F, g/g 0.85 0.88 0.63 0.79 0.77 0.76 0.061 NS NS NS 0.02 0.01 NS NS NS
  1. a BW body weight, ADG average daily gain, ADFI average daily feed intake, G:F gain to feed ratio
  2. b NCC non-challenged control pigs that were fed the basal diet and injected with sterile saline on d 7
  3. cPigs fed the basal diet without any additive (CC challenged control) or with AGP, YE, ENZ or ENZ + YE and injected with E. coli LPS on d 7
  4. d P-value for LPS + ENZ × LPS + YE interaction (CC, YE, ENZ and ENZ + YE)