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Table 3 Effects of diets supplemented with different additives on intestinal development 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
Villus height (μm)
Duodenum 275.59 ± 39.77a 299.25 ± 27.03ab 292.62 ± 19.30a 332.20 ± 40.82b
Jejunum 272.34 ± 39.69a 312.55 ± 47.44ab 282.95 ± 30.49a 345.07 ± 29.75b
Ileum 216.90 ± 25.54a 271.93 ± 39.91bc 235.29 ± 30.10ab 279.38 ± 41.66c
Crypt depth (μm)
Duodenum 230.71 ± 35.98 203.29 ± 19.75 209.89 ± 24.81 205.78 ± 30.47
Jejunum 202.51 ± 31.19 189.19 ± 22.81 191.98 ± 26.32 181.51 ± 28.46
Ileum 159.64 ± 24.57 143.58 ± 23.97 148.37 ± 28.10 143.70 ± 22.71
  1. N = 6.
  2. LL-EV, empty vector-expressing Lactococcus lactis group; LL-pEGF, pEGF-secreting Lactococcus lactis group.
  3. a,b,cMeans with different superscripts in the same row indicate significant differences (P < 0.05).