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. 2022 Mar 28;9(4):164. doi: 10.3390/vetsci9040164

Table 4.

Fatty acid profile in the feces (mmol/kg fresh feces) of dogs fed the basic diets supplemented with different levels and particle sizes of MBM (mean ± SD).

Parameters Particle Size p-Value
Coarse Fine
Level Particle Size Level Particle Size × Level
MBMc6 MBMc12 MBMc24 MBMf6 MBMf12 MBMf24
Acetic acid 23.4 ± 6.75 47.9 ± 35.0 32.0 ± 16.8 21.7 ± 14.2 27.1 ± 7.35 41.4 ± 23.8 0.5346 0.2561 0.1751
Propionic acid 10.2 ± 2.78 23.6 ± 16.5 13.5 ± 4.82 12.5 ± 10.3 12.3 ± 3.56 19.5 ± 10.7 0.7743 0.4182 0.1458
iso-Butyric acid 0.68 c ± 0.10 1.21 a ± 0.50 1.07 b ± 0.51 0.49 c ± 0.25 0.67 b ± 0.31 1.08 a ± 0.58 0.1269 0.0342 0.0259
n-Butyric acid 6.54 ± 5.53 17.4 ± 17.9 7.73 ± 6.84 6.19 ± 7.75 7.27 ± 5.32 5.99 ± 4.01 0.1990 0.3011 0.2613
iso-Valeric acid 0.99 c ± 0.13 1.69 a ± 0.68 1.54 ab ± 0.68 0.74 c ± 0.40 0.97 b ± 0.49 1.54 a ± 0.84 0.1352 0.0411 0.0396
n-Valeric acid 0.08 ± 0.10 0.20 ± 0.15 0.08 ± 0.05 0.11 ± 0.15 0.10 ± 0.09 0.05 ± 0.05 0.3438 0.4962 0.2769

MBM = Meat and bone meal, c = coarse, f = fine. a,b,c Means in a row with different superscripts differ significantly within each grinding (p < 0.05).