| Isolates | No. | Sugars | ||||||||
| Glu | Lac | Suc | Mal | Sor | Xyl | Man | Ram | Raf | ||
| Eschericia coli | 44 | + | + | V | + | + | + | + | V | V |
| Proteus mirabilis | 18 | − | − | V | − | − | + | + | − | − |
| Klebsiella pneumoniae | 4 | − | + | + | + | + | + | + | + | + |
| Klebsiella oxytoca | 1 | + | + | + | + | + | + | + | + | + |
| Pseudomonas aeruginosa | 2 | − | − | − | V | − | − | − | + | + |
| Citrobacter freundii | 3 | + | V | V | + | + | + | + | + | V |
| Citrobacter diversus | 4 | + | V | V | + | + | + | + | + | − |
| Enterobacter aerogenes | 3 | + | + | + | + | + | + | − | + | + |
| Yersinia pestis | 3 | − | − | − | + | V | + | + | − | − |
| Hafnia alvei | 1 | − | − | V | + | − | + | + | + | − |