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ARCHIVED - 2009 - Preliminary Results
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Table 17. Number of antimicrobial classes in resistance patterns of Salmonella isolates from pigs, by serovar; Surveillance of Animal Clinical Isolates, 2009
| Serovar | Number (%) of isolates | Number of isolates by number of antimicrobial classes in the resistance pattern | Number of isolates resistant by antimicrobial class and antimicrobial | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aminoglycosides | β-lactams | Folate pathways inhibitors | Phenicols | Quinolones | Tetracyclines | ||||||||||||||||
| 1 | 2–3 | 4–5 | 6 | AMK | GEN | KAN | STR | AMP | AMC | CRO | FOX | TIO | SSS | SXT | CHL | CIP | NAL | TET | |||
| Typhimurium | 48 (24.6) | 4 | 8 | 36 | 2 | 20 | 38 | 39 | 2 | 2 | 2 | 2 | 42 | 13 | 30 | 44 | |||||
| Derby | 27 (13.8) | 4 | 2 | 20 | 1 | 21 | 21 | 1 | 23 | ||||||||||||
| Typhimurium var. 5- | 21 (10.8) | 1 | 1 | 2 | 17 | 1 | 14 | 17 | 18 | 19 | 2 | 12 | 19 | ||||||||
| Infantis | 12 (6.2) | 11 | 1 | 1 | |||||||||||||||||
| Brandenburg | 8 (4.1) | 4 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 4 | ||||||
| Schwarzengrund | 8 (4.1) | 3 | 4 | 1 | 1 | 5 | 1 | 5 | 5 | ||||||||||||
| Mbandaka | 7 (3.6) | 3 | 3 | 1 | 1 | 1 | 3 | 1 | 3 | 1 | 4 | ||||||||||
| I 4,[5],12:i:- | 6 (3.1) | 1 | 5 | 3 | 5 | 5 | 5 | 2 | 4 | 5 | |||||||||||
| Worthington | 6 (3.1) | 3 | 3 | 3 | 3 | 3 | |||||||||||||||
| Bovismorbificans | 5 (2.6) | 1 | 4 | 2 | 4 | 5 | 2 | 2 | 2 | 2 | 4 | 2 | 4 | ||||||||
| I 4,[5],12:-:- | 4 (2.1) | 1 | 2 | 1 | 3 | 1 | 3 | 1 | 4 | ||||||||||||
| Less common serovars | 43 (22.1) | 17 | 4 | 12 | 10 | 2 | 8 | 16 | 10 | 3 | 3 | 3 | 3 | 19 | 5 | 8 | 25 | ||||
| Total | 195 (100) | 51 | 12 | 55 | 77 | 7 | 50 | 117 | 81 | 7 | 8 | 7 | 8 | 125 | 24 | 59 | 141 | ||||
Serovars represented by less than 2% of isolates were classified as “Less common serovars”.
Serovar identity was not available for 3 isolates.
