Research Article
Characteristics of Escherichia coli Isolated from Bovine Mastitis Exposed to Subminimum Inhibitory Concentrations of Cefalotin or Ceftazidime
Figure 1
Colony morphology of parent Escherichia coli and antibiotic-induced isolates recovered after induction (24 h). (a), (d), and (g) were parent strains; (b), (e), and (h) were cefalotin-induced isolates; and (c), (f), and (i) were ceftazidime-induced isolates.
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