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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.