Occurrence of quinolone- and beta-lactam-resistant Escherichia coli in danish broiler flocks

Landbrug og biologi

• acid tolerance 18%
• agar 5%
• ampicillin 39%
• anti-infective agents 11%
• antibiotic resistance 14%
• antibiotics 5%
• bacteria 8%
• beta-lactams 100%
• Bisgaard taxa 14%
• broiler chickens 67%
• cefotaxime 18%
• ceftiofur 21%
• cephalosporins 8%
• ciprofloxacin 25%
• Denmark 40%
• drugs 10%
• Escherichia coli 52%
• flocks 75%
• fluoroquinolones 18%
• food animals 26%
• genes 2%
• industry 4%
• lactams 10%
• laws and regulations 7%
• methodology 2%
• mutation 5%
• nalidixic acid 44%
• poultry 19%
• poultry production 8%
• quinolones 99%
• Salmonella 6%
• sampling 10%
• testing 2%