Volume 11, Number 6—June 2005
Dispatch
Dana Cole, Georgia Division of Public Health, Notifiable Disease Section, Department of Human Resources, 2 Peachtree Free-living Canada Geese and Antimicrobial Resistance
Table
Antimicrobial resistance phenotypes and genotypes of Escherichia coli isolated from Canada Geese sampled in Georgia and North Carolina
| Antimicrobial resistance phenotype* and genotype | Site† |
|||
|---|---|---|---|---|
| Lake Julliette |
Craven County |
Griffin |
Stone Mountain |
|
| n = 2 | n = 25 (%) | n = 21 (%) | n = 0 | |
| Pansusceptible‡ | 2 | 7 (28) | 17 (81) | |
| Ampicillin | 5 (20) | 1 (5) | ||
| Amoxicillin/clavulanic acid | 0 | 2 (10) | ||
| Cefoxitin | 0 | 2 (10) | ||
| Cephalothin | 1 (4) | 4 (19) | ||
| Tetracycline | 16 (64) | 0 | ||
| Sulfamethoxazole | 6 (24) | 0 | ||
| Gentamicin | 2 (8) | 0 | ||
| Kanamycin | 2 (8) | 0 | ||
| Streptomycin | 14 (56) | 0 | ||
| Nalidixic acid | 1 (4) | 0 | ||
| Resistance to ≥3 antimicrobial agents | 12 (48) | 2 (10) | ||
| Integron and antimicrobial resistance genes | ||||
| intI1 | 9 (36) | 0 | ||
| sul1 | 3 (12) | 0 | ||
| aadA1 | 3 (12) | 0 | ||
| blaTEM | 6 (24) | 0 | ||
*All isolates, regardless of geographic locale, were susceptible to ceftiofur, ceftriaxone, imipenem, amikacin, apramycin, chloramphenicol, ciprofloxacin, and trimethoprim/sulfamethoxazole.
†No gram-negative bacteria were isolated from geese captured at Stone Mountain.
‡Isolates were susceptible to all 18 antimicrobial agents tested.
