Effects of Zinc and Menthol-Based Diets on Co-Selection of Antibiotic Resistance among <i>E. coli</i> and <i>Enterococcus</i> spp. in Beef Cattle

by Sarah A. Murray, Raghavendra G. Amachawadi, Keri N. Norman, Sara D. Lawhon, Tiruvoor G. Nagaraja, James S. Drouillard, Harvey M. Scott
Published 2021-01-01

Quantitative dynamics of Salmonella and E. coli in feces of feedlot cattle treated with ceftiofur and chlortetracycline.

by Naomi Ohta, Bo Norby, Guy H Loneragan, Javier Vinasco, Henk C den Bakker, Sara D Lawhon, Keri N Norman, Harvey M Scott
Published 2019-01-01

Effects of two-dose ceftiofur treatment for metritis on the temporal dynamics of antimicrobial resistance among fecal Escherichia coli in Holstein-Friesian dairy cows.

by Ethan A Taylor, Ellen R Jordan, Jose A Garcia, Gerrit R Hagevoort, Keri N Norman, Sara D Lawhon, Juan M Piñeiro, Harvey M Scott
Published 2019-01-01