TY - RPRT TI - Effect of ceftiofur cessation and substitution with lincomycin-spectinomycin on extended-spectrum-beta-lactamase/AmpC genes and multidrug resistance in E. coli from a Canadian broiler production pyramid AU - Verrette, L. AU - Fairbrother, J. M. AU - Boulianne, M. PY - 2019 DO - 10.1101/521120 UR - https://www.biorxiv.org/content/10.1101/521120v1 ID - 10.1101/521120 ER -