43: LONGITUDINAL ANALYSIS OF ANTIMICROBIAL RESISTANCE IN ESCHERICHIA COLI RECOVERED FROM FEEDLOT BEEF CATTLE IN AUSTRALIA. (December 2022) - Messele, Yohannes; Alkhallawi, Mauida; Veltman, Tania; Trott, Darren; Mcmeniman, Joe; Kidd, Stephen; Low, Wai; Petrovski, Kiro