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Table 1 Mean values of live weight, daily feed intake (DFI), average daily gain (ADG) and feed conversion rate (FCR) of weaning piglets supplemented with Zinc Oxide (ZnO), Benzoic acid plus probiotic (BA + P) and ZnO + BA + P according the phases

From: Impact of zinc oxide, benzoic acid and probiotics on the performance and cecal microbiota of piglets

Phases Treatment CV % p-value
Control ZnO Benzoic acid + Probiotic ZnO + Benzoic acid + Probiotic
Pre starter I (23–28d)       
Initial weight, kg 6.343 6.331 6.330 6.357 1.20 0.835
DFI, kg 0.212 0.223 0.228 0.221 25.61 0.932
ADG, kg 0.135 0.153 0.162 0.170 28.76 0.351
FCR 1.672b 1.479ab 1.419a 1.418a 12.87 0.017
Final weight, kg 7.290 7.406 7.465 7.403 5.81 0.831
Pre starter II (28–35d)       
DFI, kg 0.410 0.454 0.465 0.430 13.36 0.183
ADG, kg 0.311 0.359 0.370 0.337 16.73 0.126
FCR 1.380 1.280 1.265 1.270 14.35 0.470
Final weight, kg 9.156 9.561 9.686 9.428 6.03 0.213
Starter I (35–49d)       
DFI, kg 0.508b 0.565ab 0.606a 0.550ab 9.99 0.004
ADG, kg 0.281b 0.369a 0.373a 0.367a 12.34 < 0.001
FCR 1.834b 1.540a 1.640a 1.498a 10.98 < 0.001
Final weight, kg 11.968b 13.253a 13.421a 13.100a 6.02 < 0.001
Starter II (49–63d)       
DFI, kg 0.983 1.042 1.063 1.037 7.69 0.158
ADG, kg 0.557 0.556 0.588 0.549 9.17 0.347
FCR 1.780 1.874 1.808 1.900 7.22 0.184
Final weight, kg 21.035b 22.150ab 22.841a 21.935ab 5.33 0.015
Total (23–63d)       
DFI, kg 0.635b 0.682a 0.704a 0.671ab 6.18 0.007
ADG, kg 0.373b 0.405a 0.423a 0.397ab 7.44 0.006
FCR 1.711 1.683 1.664 1.681 5.31 0.703
  1. a, bMeans with different letters correspond to significance by Tukey’s Test (P < 0.05)