Antimicrobial issues in bovine lameness

This article reviews some of the issues surrounding antimicrobial use in tr eating diseases that cause lameness in cattle. The discussion includes sect ions on selection of an antimicrobial, regimen design, and medication of mu ltiple animals. Pathogen susceptibility tasting is covered, along with empi ric selection of antimicrobials. Other issues covered include regional perf usion and topical application of antimicrobials, antimicrobials in footbath s and in feed, and withdrawal time estimates.