“…The enterobacteria were resistant to β-lactams, tetracyclines and aminoglycosides as previously described in China (Chang et al, 2002;Yang et al, 2004;Liu et al, 2007;Tian et al, 2009). The E. coli isolates assessed in this study displayed similar levels of resistance to tetracyclines, ampicillin, gentamicin and fluoroquinolones as were previously reported for E. coli strains isolated from diseased swine in China by Tian et al (2009).…”