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Table 2 Selected gastrointestinal tract parameters in rabbits (mean ± SEM1)

From: The effect of dietary supplementation with silkworm pupae meal on gastrointestinal function, nitrogen retention and blood biochemical parameters in rabbits

 

Group2

p value

SBM

SPM5

SPM10

Stomach

  pH of digesta

1.98 ± 0.093b

2.50 ± 0.093a

2.54 ± 0.116a

0.002

Small intestine

 Tissue weight [g/kg BW]

22.8 ± 1.611

24.6 ± 0.926

25.4 ± 1.004

0.193

  Digesta weight [g/kg BW]

14.6 ± 0.882

14.1 ± 0.626

17.2 ± 1.491

0.083

  Viscosity [mPa·s]

5.89 ± 0.413

5.45 ± 0.434

5.23 ± 0.293

0.296

  DM of jejunal digesta [%]

14.6 ± 1.417

12.8 ± 0.770

11.6 ± 0.470

0.063

  pH of jejunal digesta

7.16 ± 0.063

7.27 ± 0.041

7.11 ± 0.083

0.155

Cecum

  Tissue weight [g/kg BW]

10.3 ± 0.338b

11.4 ± 0.300ab

11.9 ± 0.462a

0.012

  Digesta weight [g/kg BW]

38.7 ± 1.956b

43.8 ± 2.836b

55.8 ± 3.319a

< 0.001

  DM of digesta [%]

22.9 ± 0.685

23.7 ± 0.282

23.4 ± 0.624

0.377

  Ammonia [mg/g]

0.351 ± 0.011

0.342 ± 0.015

0.347 ± 0.013

0.684

  pH of digesta

6.67 ± 0.046ab

6.56 ± 0.072b

6.79 ± 0.041a

0.013

Colon

  Tissue weight [g/kg BW]

9.89 ± 0.366

10.5 ± 0.403

11.2 ± 0.574

0.090

  Digesta weight [g/kg BW]

10.8 ± 0.688

12.7 ± 1.216

14.6 ± 1.627

0.068

  pH of digesta

6.57 ± 0.080

6.61 ± 0.094

6.57 ± 0.146

0.829

  1. a, bmeans with different superscripts in the same row differ significantly (P < 0.05)
  2. 1SEM - standard error of the mean
  3. 2Group: SBM - 10% SBM, SPM5–5% SBM and 5% SPM, SPM10–10% SPM (SBM - soybean meal, SPM - dried silkworm pupae meal)