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Table 1 Biochemical characteristics of bacterial isolates from Nile tilapia compared with Streptococcus iniae, S. agalactiae and Lactococcus garvieae

From: Isolation and molecular identification of the etiological agents of streptococcosis in Nile tilapia (Oreochromis niloticus) cultured in net cages in Lake Sentani, Papua, Indonesia

Characteristics S. iniae(Austin and Austin 2012) S. agalactiae(Austin and Austin 2012) L. garvieae(Austin and Austin 2012) Present Isolates
SK P20 K10 M12
Gram stain + + + + + + +
Shape Coccus Coccus Coccus Coccus Coccus Coccus Coccus
Motility
Aerobic growth + + + + + + +
Catalase
Oxidase
O/F F F F F F F F
Growth at 10°C + + + + +
Growth at 45°C +
Growth at 6.5% NaCl +
Blood hemolysis α/β -/d α β α α α
Esculin + + + +
Lactose +
Mannitol + + + + + +
Raffinose
Salicin + + + +
Sorbitol +
Trehalose + + + +
VP test + + + + +
Glucose + + + + + + +
MacConkey Agar