Table 1.

Common phenotypic characteristics of Butyrivibrio isolates

Tests	Response	Carbohydrate-fermentation tests
		Name of sugars	Response	Name of sugars	Response
Motility	+	Inulin	–	Mannose	–
Gas production	+	Sucrose	+	Inositol	+
Catalase	–	Fructose	+	Cellobiose	–
Methyl red	–	Trehalose	+	Arabinose	–
Vogues Prauskauer	–	Dextrose	+	Galactose	+
Indole test	–	Maltose	+	Mannitol	+
Nitrate reduction	+	Xylose	+	Lactose	+
Gelatin liquefaction	–
Oxidation fermentation	+
Metabolites test	+

^#pH of the isolates during sugar fermentation tests were in between 6.2 and 7