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Table 2 Enterobacteriaceae (EB), moulds and yeast (log 10 cfu/ml; arithmetic means, standard errors SE in brackets), the proportion of Enterobacteriaceae resistant to sulphonamide and trimethoprim (STrEB), and the pH in the feed. Case vs. control farms and drop pipes vs. ring lines

From: Effect of antimicrobials administered via liquid feed on the occurrence of sulphonamide and trimethoprim resistant Enterobacteriaceae: case-control study

  Case Control P Drop pipes Ring lines P
EB 2.37 (0.14) 1.37 (0.14) 0.001 2.38 (0.15) 1.53 (0.14) 0.001
STrEB 1.60 (0.14) 0.15 (0.05) <0.001 1.26 (0.14) 0.74 (0.12) <0.001
%STrEB 30.0 (3.3) 0.02 (0.01) <0.001 21.2 (3.3) 17.6 (3.6) 0.93
Moulds 1.55 (0.10) 0.86 (0.11) 0.004 1.56 (0.12) 0.97 (0.10) 0.002
Yeast 5.23 (0.09) 5.81 (0.09) 0.10 5.59 (0.08) 5.36 (0.11) 0.76
pH 5.18 (0.05) 5.03 (0.04) 0.42 5.32 (0.04) 4.93 (0.05) <0.001