Research Article
Sensitivity of Heterotrophic Bacteria in the Low-Salinity Water Areas and Estuary in Siak District toward Pathogenic Bacteria in Fish
Table 2
Biochemical test of each isolate.
| | Biochemical test | Sample code | | H2 | H4 | H8 | H9 | H10 | H12 | H15 | H16 | H17 | H24 |
| | Gram | + | + | + | + | + | + | + | − | + | + | | Catalase | + | + | + | + | + | + | + | + | + | + | | Motility | + | + | + | + | + | + | + | + | + | + | | Indole | − | − | − | − | − | − | − | − | − | − | | H2S | − | − | − | − | + | − | − | − | − | − | | MR | − | − | − | − | − | − | − | − | + | − | | Citrate | + | + | + | + | + | + | + | + | + | + | | TSIA | | | | | | | | | | | | T | M | M | M | M | M | M | M | M | M | M | | M1 | M | M | M | M | M | M | K | M | M | K | | Sugar test | | | | | | | | | | | | Glucose | − | − | − | − | − | − | + | − | − | + | | Lactose | − | − | − | − | − | − | − | − | − | − | | Sucrose | − | − | − | − | − | − | − | − | − | − |
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MR: methyl red test; −: negative; +: positive; T: upright; M1: tilt; K: yellow; M: red.
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