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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).