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Table 2 Antimicrobials administered to sows on the small- (n = 21a) and medium-scale farms (n = 27)

From: Antimicrobial use and antimicrobial susceptibility in Escherichia coli on small- and medium-scale pig farms in north-eastern Thailand

Antimicrobials Small-scalea Medium-scale
Injection
 Penicillin Gb                   
 Streptomycinb                   
 Amoxicillinb                                               
 Oxytetracycline                                                
 Cefotaximeb                                                
 Enrofloxacin                                
 Kanamycinb                                              
 Florfenicol                                                 
 Gentamicinb                                                 
In feed
 Amoxicillinb                                                
 Colistinb                                                
 Kitasamycin                                    
 Oxytetracycline                                      
 Sulfonamide                                                 
Farm no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52
  1. aFrom four of the small-scale farms, information on which antimicrobials that were used was not obtained and these farms are thus not displayed in the figure
  2. bAntimicrobial considered to be critically important for human medicine according to WHO [22]