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    Percent of Micro-organisms in Companion Animals  
    that are Resistant to Selected Antibiotics from Jan - Dec. 2004 
    (in Food Animals)  
  
    
      |   | 
      Canine  | 
      Equine  | 
      Feline  | 
     
    
      | Antibiotic  | 
      E. Coli  | 
      Enterococcus sp.  | 
      Pse. aeruginosa  | 
      Staph. aureus  | 
      Staph. intermedius  | 
      E. Coli  | 
      Salmonella sp.  | 
      Staph. aureus  | 
      Staph. epidermidis  | 
      Strep. equi  | 
      Strep. zooepidemicus  | 
      E. Coli  | 
      Enterococcus sp.  | 
      Pse. aeruginosa  | 
      Staph. aureus  | 
     
    
      |   | 
      Jan.- 
        June | 
      July- 
        Dec. | 
      Jan.- 
  June | 
      July- 
  Dec. | 
      Jan.- 
  June | 
      July- 
  Dec. | 
      Jan.- 
  June | 
      July- 
  Dec. | 
      Jan.- 
  June | 
      July- 
  Dec. | 
      Jan.- 
        June | 
      July- 
        Dec. | 
      Jan.- 
  June | 
      July- 
  Dec. | 
      Jan.- 
  June | 
      July- 
  Dec. | 
      Jan.- 
  June | 
      July- 
  Dec. | 
      Jan.- 
  June | 
      July- 
  Dec. | 
      Jan.- 
  June | 
      July- 
  Dec. | 
      Jan.- 
  June | 
      July- 
  Dec. | 
      Jan.- 
  June | 
      July- 
  Dec. | 
      Jan.- 
  June | 
      July- 
  Dec. | 
      Jan.- 
        June | 
     
    
      | Amikacin | 
      1 | 
      0 | 
      69 | 
      19 | 
      7 | 
      4 | 
      0 | 
      0 | 
      0 | 
      0 | 
      11 | 
      0 | 
      0 | 
      0 | 
      0 | 
      0 | 
      0 | 
      0 | 
      100 | 
      67 | 
      100 | 
      83 | 
      0 | 
      0 | 
      50 | 
      30 | 
      0 | 
      0 | 
      0 | 
     
    
      Amoxycillin/ 
        Clauvulinic acid | 
      22 | 
      23 | 
      23 | 
      15 | 
      86 | 
      96 | 
      25 | 
      18 | 
      26 | 
      32 | 
      17 | 
      6 | 
      0 | 
      57 | 
      25 | 
      20 | 
      16 | 
      38 | 
      0 | 
      0 | 
      0 | 
      0 | 
      17 | 
      0 | 
      0 | 
      20 | 
      100 | 
      100 | 
      100 | 
     
    
      | Ampicillin | 
      53 | 
      40 | 
      23 | 
      15 | 
      87 | 
      96 | 
      75 | 
      55 | 
      65 | 
      58 | 
      41 | 
      35 | 
      50 | 
      64 | 
      50 | 
      40 | 
      16 | 
      38 | 
      0 | 
      0 | 
      0 | 
      0 | 
      40 | 
      24 | 
      0 | 
      20 | 
      100 | 
      100 | 
      100 | 
     
    
      | Cefazolin | 
      23 | 
      22 | 
      85 | 
      63 | 
      93 | 
      96 | 
      8 | 
      0 | 
      4 | 
      11 | 
      17 | 
      6 | 
      25 | 
      57 | 
      0 | 
      20 | 
      16 | 
      23 | 
      0 | 
      0 | 
      0 | 
      0 | 
      17 | 
      3 | 
      50 | 
      50 | 
      100 | 
      100 | 
      33 | 
     
    
      | Cefotaxime | 
      5 | 
      50 | 
      31 | 
      0 | 
      64 | 
      0 | 
      8 | 
      0 | 
      4 | 
      0 | 
      0 | 
      0 | 
      0 | 
      0 | 
      0 | 
      nt | 
      16 | 
      nt | 
      0 | 
      nt | 
      0 | 
      0 | 
      4 | 
      nt | 
      50 | 
      nt | 
      0 | 
      nt | 
      33 | 
     
    
      | Cefoxitin | 
      22 | 
      20 | 
      85 | 
      89 | 
      93 | 
      96 | 
      8 | 
      0 | 
      4 | 
      13 | 
      13 | 
      10 | 
      0 | 
      57 | 
      0 | 
      20 | 
      16 | 
      15 | 
      0 | 
      0 | 
      0 | 
      0 | 
      17 | 
      0 | 
      100 | 
      60 | 
      100 | 
      100 | 
      33 | 
     
    
      | Ceftiofur | 
      17 | 
      18 | 
      92 | 
      74 | 
      87 | 
      88 | 
      8 | 
      0 | 
      4 | 
      13 | 
      13 | 
      6 | 
      25 | 
      57 | 
      0 | 
      20 | 
      11 | 
      23 | 
      0 | 
      0 | 
      0 | 
      0 | 
      16 | 
      0 | 
      50 | 
      90 | 
      75 | 
      100 | 
      33 | 
     
    
      | Cephalothin | 
      37 | 
      24 | 
      77 | 
      52 | 
      93 | 
      96 | 
      8 | 
      0 | 
      4 | 
      13 | 
      24 | 
      13 | 
      25 | 
      57 | 
      0 | 
      20 | 
      16 | 
      15 | 
      0 | 
      0 | 
      0 | 
      0 | 
      17 | 
      3 | 
      50 | 
      50 | 
      100 | 
      100 | 
      33 | 
     
    
      | Chloramphenicol | 
      17 | 
      11 | 
      8 | 
      4 | 
      79 | 
      91 | 
      0 | 
      0 | 
      4 | 
      0 | 
      33 | 
      16 | 
      50 | 
      64 | 
      0 | 
      0 | 
      0 | 
      0 | 
      0 | 
      0 | 
      0 | 
      0 | 
      13 | 
      0 | 
      0 | 
      0 | 
      100 | 
      100 | 
      0 | 
     
    
      | Ciprofloxacin | 
      20 | 
      0 | 
      0 | 
      0 | 
      14 | 
      0 | 
      17 | 
      nt | 
      4 | 
      0 | 
      4 | 
      0 | 
      0 | 
      0 | 
      0 | 
      nt | 
      0 | 
      nt | 
      0 | 
      nt | 
      0 | 
      0 | 
      17 | 
      nt | 
      50 | 
      nt | 
      0 | 
      nt | 
      33 | 
     
    
      | Clindamycin | 
      99 | 
      99 | 
      69 | 
      81 | 
      93 | 
      96 | 
      8 | 
      0 | 
      13 | 
      13 | 
      98 | 
      100 | 
      100 | 
      100 | 
      0 | 
      20 | 
      11 | 
      8 | 
      0 | 
      0 | 
      5 | 
      0 | 
      100 | 
      100 | 
      100 | 
      80 | 
      100 | 
      100 | 
      33 | 
     
    
      | Enrofloxacin | 
      20 | 
      20 | 
      23 | 
      48 | 
      33 | 
      54 | 
      17 | 
      27 | 
      4 | 
      21 | 
      4 | 
      13 | 
      0 | 
      0 | 
      0 | 
      0 | 
      0 | 
      0 | 
      0 | 
      67 | 
      0 | 
      38 | 
      16 | 
      0 | 
      50 | 
      50 | 
      0 | 
      0 | 
      33 | 
     
    
      | Erythromycin | 
      98 | 
      99 | 
      31 | 
      33 | 
      93 | 
      100 | 
      8 | 
      0 | 
      17 | 
      18 | 
      98 | 
      100 | 
      100 | 
      100 | 
      0 | 
      20 | 
      21 | 
      38 | 
      50 | 
      0 | 
      62 | 
      8 | 
      100 | 
      100 | 
      50 | 
      20 | 
      100 | 
      100 | 
      33 | 
     
    
      Gentamicin 500  
        microgm/ml | 
      2 | 
      0 | 
      31 | 
      0 | 
      0 | 
      0 | 
      0 | 
      nt | 
      0 | 
      0 | 
      11 | 
      0 | 
      0 | 
      0 | 
      0 | 
      nt | 
      0 | 
      nt | 
      0 | 
      nt | 
      0 | 
      0 | 
      0 | 
      nt | 
      50 | 
      nt | 
      0 | 
      nt | 
      0 | 
     
    
      | Gentamicin  | 
      11 | 
      10 | 
      31 | 
      11 | 
      13 | 
      8 | 
      0 | 
      0 | 
      0 | 
      5 | 
      30 | 
      23 | 
      13 | 
      43 | 
      50 | 
      40 | 
      5 | 
      8 | 
      0 | 
      33 | 
      81 | 
      71 | 
      4 | 
      3 | 
      50 | 
      40 | 
      0 | 
      0 | 
      0 | 
     
    
      Sulphadimethoxine/ 
        Ormetoprim | 
      33 | 
      0 | 
      8 | 
      0 | 
      93 | 
      100 | 
      0 | 
      nt | 
      0 | 
      0 | 
      54 | 
      100 | 
      25 | 
      0 | 
      0 | 
      nt | 
      11 | 
      nt | 
      0 | 
      nt | 
      0 | 
      0 | 
      13 | 
      nt | 
      0 | 
      nt | 
      100 | 
      nt | 
      0 | 
     
    
      | Oxacillin + 2% NaCl | 
      99 | 
      99 | 
      92 | 
      27 | 
      86 | 
      87 | 
      8 | 
      0 | 
      4 | 
      13 | 
      98 | 
      100 | 
      100 | 
      100 | 
      0 | 
      20 | 
      11 | 
      15 | 
      0 | 
      0 | 
      0 | 
      0 | 
      100 | 
      100 | 
      100 | 
      60 | 
      100 | 
      100 | 
      33 | 
     
    
      | Penicillin 003 | 
      99 | 
      100 | 
      92 | 
      100 | 
      93 | 
      100 | 
      58 | 
      nt | 
      52 | 
      50 | 
      98 | 
      100 | 
      100 | 
      100 | 
      25 | 
      nt | 
      26 | 
      nt | 
      0 | 
      nt | 
      0 | 
      50 | 
      100 | 
      nt | 
      100 | 
      nt | 
      100 | 
      nt | 
      67 | 
     
    
      | Penicillin | 
      99 | 
      99 | 
      23 | 
      26 | 
      93 | 
      96 | 
      67 | 
      55 | 
      57 | 
      59 | 
      98 | 
      100 | 
      100 | 
      100 | 
      50 | 
      40 | 
      16 | 
      31 | 
      0 | 
      0 | 
      0 | 
      0 | 
      100 | 
      100 | 
      0 | 
      20 | 
      100 | 
      100 | 
      100 | 
     
    
      | Rifampin | 
      99 | 
      94 | 
      8 | 
      26 | 
      93 | 
      100 | 
      0 | 
      0 | 
      0 | 
      0 | 
      98 | 
      100 | 
      100 | 
      100 | 
      0 | 
      0 | 
      0 | 
      0 | 
      0 | 
      0 | 
      0 | 
      0 | 
      78 | 
      82 | 
      0 | 
      10 | 
      100 | 
      100 | 
      0 | 
     
    
      | Tetracycline | 
      47 | 
      26 | 
      46 | 
      41 | 
      36 | 
      75 | 
      17 | 
      27 | 
      35 | 
      21 | 
      41 | 
      39 | 
      50 | 
      71 | 
      25 | 
      40 | 
      16 | 
      8 | 
      0 | 
      0 | 
      43 | 
      54 | 
      26 | 
      21 | 
      50 | 
      80 | 
      0 | 
      43 | 
      0 | 
     
    
      | Ticarcillin | 
      43 | 
      34 | 
      23 | 
      22 | 
      0 | 
      25 | 
      67 | 
      55 | 
      57 | 
      62 | 
      39 | 
      35 | 
      50 | 
      64 | 
      50 | 
      40 | 
      21 | 
      38 | 
      0 | 
      0 | 
      0 | 
      0 | 
      39 | 
      24 | 
      0 | 
      20 | 
      0 | 
      14 | 
      100 | 
     
    
      | Tribrissen | 
      32 | 
      100 | 
      8 | 
      0 | 
      29 | 
      50 | 
      0 | 
      nt | 
      9 | 
      0 | 
      54 | 
      100 | 
      25 | 
      0 | 
      25 | 
      nt | 
      16 | 
      nt | 
      0 | 
      nt | 
      0 | 
      0 | 
      13 | 
      nt | 
      50 | 
      nt | 
      25 | 
      nt | 
      0 | 
     
    
      | Vancomycin | 
      99 | 
      0 | 
      0 | 
      100 | 
      93 | 
      100 | 
      0 | 
      nt | 
      0 | 
      0 | 
      98 | 
      100 | 
      100 | 
      100 | 
      0 | 
      nt | 
      5 | 
      nt | 
      0 | 
      nt | 
      0 | 
      0 | 
      100 | 
      nt | 
      0 | 
      nt | 
      100 | 
      nt | 
      0 | 
     
    
      | number of isolates | 
      81 | 
      128 | 
      13 | 
      27 | 
      15 | 
      23 | 
      12 | 
      11 | 
      23 | 
      39 | 
      46 | 
      31 | 
      8 | 
      14 | 
      4 | 
      5 | 
      19 | 
      13 | 
      4 | 
      3 | 
      21 | 
      24 | 
      23 | 
      34 | 
      2 | 
      10 | 
      4 | 
      7 | 
      3 | 
     
    
   
    
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