Ceftiofur formulation differentially affects the intestinal drug concentration, resistance of fecal Escherichia coli, and the microbiome of steers.

by Derek M Foster, Megan E Jacob, Kyle A Farmer, Benjamin J Callahan, Casey M Theriot, Sophia Kathariou, Natalia Cernicchiaro, Timo Prange, Mark G Papich
Published 2019-01-01