TABLE 1.
Percentages of resistance of P. multocida, M. haemolytica, H. somni, and A. pleuropneumoniae isolates from different animal sources against selected antimicrobial agents
| Bacteria | Origin | Year(s) of isolation | No. of isolates | % resistant isolatesa | Reference | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| PEN | XNL | FLO | ENR | TET | TIL | TUL | |||||
| P. multocida | Cattle/USA, Canada | 2009 | 328 | 3.3 | 0.0 | 11.6 | 2.1 | 40.8 | 23.8 | 4.6 | 37 |
| Cattle/Germany | 2013 | 48 | 2.1 | 0.0 | 0.0 | 0.0 | 10.4 | 2.1 | 0.0 | 35 | |
| Adult swine/Germany | 2013 | 90 | 5.6 | 0.0 | 0.0 | 0.0 | 11.1 | 0.0 | 0.0 | 35 | |
| Weaner/Germany | 2013 | 25 | 0.0 | 0.0 | 0.0 | 0.0 | 8.0 | 0.0 | 0.0 | 35 | |
| Piglet/Germany | 2013 | 35 | 2.9 | 0.0 | 2.9 | 0.0 | 2.9 | 0.0 | 0.0 | 35 | |
| Dogs, cats/Germany | 2004–2006 | 72 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 36 | |
| M. haemolytica | Cattle/USA, Canada | 2009 | 304 | 27.3 | 0.0 | 8.6 | 6.6 | 43.7 | 27.3 | 8.9 | 37 |
| Calf/Germany | 2012–2013 | 63 | 11.1 | 0.0 | 1.6 | 0.0 | 22.2 | 1.6 | 0.0 | 35 | |
| Adult cattle/Germany | 2012–2013 | 35 | 8.8 | 0.0 | 0.0 | 0.0 | 0.0 | 2.9 | 2.9 | 35 | |
| Sheep, goat/Germany | 2012–2013 | 42 | 4.8 | 0.0 | 0.0 | 0.0 | 2.4 | 0.0 | 0.0 | 35 | |
| H. somni | Cattle/USA, Canada | 2009 | 174 | 4.5 | 0.0 | 1.7 | 7.4 | 42.5 | 18.4 | 10.9 | 37 |
| A. pleuropneumoniae | Swine/Germany | 2012 | 102 | 5.9 | 0.0 | 0.0 | 0.0 | 13.7 | 1.0 | 7.8 | 35 |
a
PEN, penicillin G; XNL, ceftiofur; FLO, florfenicol; ENR, enrofloxacin; TET, tetracycline; TIL, tilmicosin; TUL, tulathromycin.