| antimicrobial susceptibility of histophilus somni isolated from clinically affected cattle in australia. | this study investigated antimicrobial resistance traits, clonal relationships and epidemiology of histophilus somni isolated from clinically affected cattle in queensland and new south wales, australia. isolates (n = 53) were subjected to antimicrobial susceptibility testing against six antimicrobial agents (ceftiofur, enrofloxacin, florfenicol, tetracycline, tilmicosin and tulathromycin) using disc diffusion and minimum inhibitory concentration (mic) assays. clonal relationships were assessed u ... | 2015 | 25592262 |