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 | − | − | − | − | − | − | − | − | − | − |
|
|
MR: methyl red test; −: negative; +: positive; T: upright; M1: tilt; K: yellow; M: red.
|