Table-6.
Antimicrobial susceptibility of the bacterial isolates from ducks (shown in percentage).
| Antimicrobial agent | P. multocida | S. aureus | P. aeruginosa | S. Typhimurium | E. coli serotypes | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S | I | R | S | I | R | S | I | R | S | I | R | O1 | O18 | O78 | O26 | O111 | |
| Enrofloxacin | 100 | - | - | 100 | - | - | 100 | - | - | 100 | - | - | S | S | S | S | S |
| Norfloxacin | 100 | - | - | 100 | - | - | 100 | - | - | 100 | - | - | S | S | S | S | S |
| Ciprofloxacin | 100 | - | - | 100 | - | - | 100 | - | - | 100 | - | - | S | S | S | S | S |
| Erythromycin | 60 | 40 | - | - | 20 | 80 | - | 20 | 80 | - | 28.5 | 71.5 | S | S | S | I | I |
| Streptomycin | 20 | 80 | - | - | 10 | 90 | - | 10 | 90 | 28.5 | 71.5 | - | R | R | R | R | R |
| Ampicillin | 20 | 80 | - | - | - | 100 | - | 30 | 70 | - | 71.5 | 28.5 | R | R | R | R | R |
| Amoxicillin | 70 | 30 | - | - | - | 100 | 80 | 20 | - | - | 28.5 | 71.5 | I | R | R | R | R |
| Penicillin | 90 | 10 | - | - | - | 100 | - | - | 100 | 57 | 43 | - | R | R | R | R | R |
| Gentamycin | 90 | 10 | - | 60 | 20 | 20 | 60 | 20 | 20 | 86 | 14 | - | S | S | S | I | I |
| Neomycin | 40 | 60 | - | 80 | 20 | - | 80 | 20 | - | 86 | 14 | - | R | S | I | I | R |
| Oxytetracycline | 70 | 30 | - | - | 40 | 60 | - | 40 | 60 | 71.5 | 28.5 | - | S | R | R | R | R |
| Trimethoprim-sulfamethoxazole | 70 | 30 | - | - | 20 | 80 | - | 20 | 80 | 86 | 14 | - | S | S | I | I | R |
S=Sensitive, I=Intermediate, R=Resistant, P. multocida=Pasteurella multocida, E. coli=Escherichia coli, P. aeruginosa=Pseudomonas aeruginosa, S. aureus=Staphylococcus aureus, S. Typhimurium=Salmonella Typhimurium