Walk into any cattle feedlot and ask the manager what keeps them up at night. Chances are, it comes down to one thing: keeping animals healthy without losing the tools that make it possible. Antimicrobial resistance is already changing how veterinarians prescribe, how feedlots run their hospital pens, and how the industry keeps its social license. For people working in intensive beef production, knowing when and how to use antimicrobials matters just as much as knowing which drug to grab. Here is a practical breakdown of what antimicrobial stewardship looks like for the diseases that turn up most often in Australian feedlots. The Framework Behind Every Script Responsible antimicrobial use…