Effect of in-feed administration of tylosin phosphate on antibiotic resistance in enterococci isolated from feedlot steers
Tylosin phosphate is a macrolide commonly administered to cattle in North America for the control of liver abscesses.This study investigated the effect of in-feed administration of tylosin phosphate to cattle at subtherapeutic levels and its subsequent withdrawal on macrolide resistance using enterococci as an Panasonic NN-CS89LB 4-in-1 Combination