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Table 2 Canine faecal volatile fatty acid and calprotectin concentrations (n = 3 faecal samples for each variable per diet period) of 5 dogs

From: Impact of diets with a high content of greaves-meal protein or carbohydrates on faecal characteristics, volatile fatty acids and faecal calprotectin concentrations in healthy dogs

Fecal variable

Baseline (DC)

DC1

HPGM 2

HCS 3

Kruskal-Wallis

Mixed model

     

p-value

p-value

Total VFA , mM

196 [165–221] A

195 [165–239] A

137 [ 75.0 192 ] B

176 [152.3–198] A

0.01

< 0.01

Acetic acid , mM

118 [90.0–135] A

118.9 [93.9–144] A

71.0 [ 47.8 105 ] B

96.9 [83.5–111] A,B

< 0.01

< 0.01

Propionic acid , mM

49.3 [45.3–55.9] A

51.1 [33.5–63.8] A

25.2 [ 7.1 31.5 ] B

21.1 [14.0–29.9] A

0.02

< 0.01

Butyric acid , mM

21.3 [14.8–27.8] A

21.3 [14.8–27.8] A

16.8 [9.0–23.6] A

21.1 [14.0–29.9] A

0.10

0.08

Valeric acid , mM

0.4 [0.0–0.5] B

0.4 [0.0–0.8] B

9.8 [ 0.0 15.3 ] A

0.6 [0.4–6.6] B

< 0.01

< 0.01

BCFA , mM

8.1 [6.8–12.1] A,B

8.3 [5.6–12.4] A,B

13.1 [ 2.2 18.9 ] A

8.2 [5.5–12.2] B

0.10

0.02

Calprotectin, μg / g

4.6 [2.9–7.5] B

3.0 [2.9–20.6] B

25.0 [ 12.0 113.4 ] A

8.8 [5.7–22.9]A,B

0.01

< 0.01*

  1. *The ANOVA p-value was calculated for this variable due to lack of measurement points.
  2. 1DC: dry commercial diet.
  3. 2HPGM: high-protein greaves-meal diet.
  4. 3HCS: high-carbohydrate starch based diet.
  5. Values are expressed as medians and ranges [min–max]. For each variable, diets not sharing a common superscript (A, B) are significantly different at p < 0.05 and are marked in bold.