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Table 2 Faecal chemical composition in horses with (case) and without (control) FFL in Germany (sub-study II)

From: Chemical composition and physical characteristics of faeces in horses with and without free faecal liquid – two case-control studies

Chemical composition Case Control P-value
Mean SD Mean SD
DM, g/kg 213.1 25.76 217.7 34.56 0.55
pH (log) 6.78 0.370 6.84 0.302 0.44
Ash, g/kg DM 9.4 3.36 8.9 3.72 0.49
Potassium, g/kg DM 9.2 2.43 9.6 3.71 0.50
Magnesium, g/kg DM 2.0 0.56 1.8 0.47 0.30
L-lactic acid, mmol/l 0.04 0.031 0.06 0.041 0.17
D-lactic acid, mmol/l 0.03 0.019 0.04 0.024 0.15
Acetic acid, mmol/l 15.5 7.94 17.1 9.14 0.62
Propionic acid, mmol/l 4.9 3.29 5.7 5.02 0.63
i-Butyric acid, mmol/l 0.6 0.47 0.8 0.98 0.45
n-Butyric acid, mmol/l 2.1 1.77 2.5 2.95 0.65
i-Valeric acid, mmol/l 0.6 0.53 0.7 0.73 0.79
n-Valeric acid, mmol/l 0.7 0.69 0.7 0.98 0.91
n-Caproic acid, mmol/l 0.5 0.50 0.5 0.71 0.32
Total SCFA, mmol/l 25.0 14.19 28.1 19.71 0.66
C2 + C4/C31 3.8 0.84 4.0 0.96 0.31
Lactic acid, % of SCFA 0.4 0.33 0.5 0.38 0.30
Acetic acid, % of SCFA 64.4 8.39 65.4 8.18 0.90
Propionic acid, % of SCFA 19.1 2.68 18.9 3.13 0.41
i-Butyric acid, % of SCFA 2.4 0.62 2.3 0.86 0.60
n-Butyric acid, % of SCFA 7.6 3.28 7.3 2.80 0.56
i-Valeric acid, % of SCFA 2.4 0.91 2.2 0.74 0.46
n-Valeric acid, % of SCFA 2.3 1.44 1.9 1.17 0.38