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Table 2 Effects of diets supplemented with different additives on growth performance of early-weaned pigs (Mean values and standard deviations)

From: Recombinant porcine epidermal growth factor-secreting Lactococcus lactispromotes the growth performance of early-weaned piglets

  Control Antibiotic control LL-EV LL-pEGF
Initial weight (kg) 6.16 ± 0.38 6.27 ± 0.13 6.09 ± 0.19 6.06 ± 0.31
Final weight (kg) 8.37 ± 0.43a 8.91 ± 0.37ab 8.68 ± 0.36ab 8.95 ± 0.42b
ADG (g/day)
0-7 d 135.7 ± 21.8a 142.9 ± 31.9ab 172.5 ± 30.4ab 178.6 ± 26.7b
8-14 d 179.6 ± 27.4a 230.3 ± 42.4ab 203.6 ± 33.3ab 233.7 ± 44.9b
0-14 d 157.7 ± 25.4a 188.6 ± 31.1ab 184.3 ± 29.5ab 206.1 ± 27.1b
ADFI (g/day)
0-7 d 168.1 ± 31.7a 191.1 ± 44.3ab 215.9 ± 28.4b 217.1 ± 40.1b
8-14 d 246.6 ± 31.1 300.8 ± 38.0 295.5 ± 52.9 288.6 ± 34.9
0-14 d 207.3 ± 27.0a 250.0 ± 37.1b 255.6 ± 33.3b 252.9 ± 34.2b
ADFI/ADG
0-7 d 1.24 ± 0.12 1.39 ± 0.11 1.31 ± 0.30 1.22 ± 0.15
8-14 d 1.41 ± 0.32 1.31 ± 0.20 1.45 ± 0.04 1.26 ± 0.21
0-14 d 1.34 ± 0.25 1.34 ± 0.14 1.39 ± 0.15 1.23 ± 0.12
  1. N = 10.
  2. LL-EV, empty vector-expressing Lactococcus lactis group; LL-pEGF, pEGF-secreting Lactococcus lactis group; ADG, Average daily gain; ADFI, Average daily feed intake.
  3. a,bMeans with different superscripts in the same row indicate significant differences (P < 0.05).