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Table 4 Effect of probiotics dietary supplementation on small intestine length and histo-morphological parameters (mean ± SE) of NZW rabbits

From: Probiotics role of Saccharomyces cerevisiae and Bacillus subtilis in improving the health status of rabbits’ gastrointestinal tract

Item

Experimental groups

R1

R2

R3

R4

Small intestine length, (cm)*

138.5c ± 0.87

152.1b ± 1.40

159.0a ± 1.70

152.5b ± 2.00

Villus height, (µm)

359.7b ± 18.04

446.1a ± 13.40

423.5ab ± 16.13

473.7a ± 12.36

Crypt depth, (µm)

68.7b ± 0.33

81.2a ± 2.29

80.2a ± 4.12

88.1a ± 3.02

Villus height: crypt depth

5.24 ± 0.34

5.59 ± 0.28

5.28 ± 0.22

5.60 ± 0.28

Musculosa depth, (µm)

112.8a ± 11.86

86.9b ± 3.44

94.1b ± 5.61

79.0b ± 2.90

  1. * Each value is a mean of five replicates.
  2. R1: control; R2: 0.1% S. cerevisiae; R3: 0.1% B. subtilis; R4: 0.05% S. cerevisiae + 0.05% B. subtilis
  3. a, b and c: Means in the same row with different superscripts are significantly different at (P ≤ 0.05).