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. 2001 Nov;39(11):4196–4199. doi: 10.1128/JCM.39.1.4196-4199.2001

TABLE 1.

Biochemical properties used to differentiate human and animal group G streptococci

Activity or production Result for:
Human-infecting GGSa Animal-infecting GGSb
CG5 CG40
α-Galactosidase − + + +
β-Galactosidase − + + +
β-Glucuronidase + vc − −
Acid from trehalose + − − −
a

S. dysgalactiae subsp. equisimilis. 

b

S. canis. 

c

v, variable.