680
Table 13.2
(continued)
(+) weakly positive result, v
variable results, ?
not stated, c
cocci, r
rods, m
mycelium, O
oxidative metabolism, F
fermentative metabolism
a
Colony pigmentation: w, y, re and o correspond to off-white/white, yellow/golden, red and orange, respectively
b
Confi rm by presence of toxin
c
Confi rmatory profi le with API-ZYM
d
Differentiate serologically or by sequencing of the 16S rRNA gene
e
Differentiate rby sequencing of the 16S rRNA gene
f
May be in pairs, tetrads or small clusters
Sta. epidermidis
and Sta. warneri
may be distinguished by the lack of the former to produce acid from lactose and mannose
Str. ictaluri
and Str. iniae
and Str. parauberis
may be distinguished by the lack of the fi rst mentioned to degrade aesculin
13 Diagnosis