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Animal Industry Report

Extension Number

ASL R3058

Topic

Beef

Summary and Implications

Overall, it was observed that there were no effects of the trace mineral (TM) injection on Natural beef steer growth performance, regardless of the timing of an injectable TM product in the natural program (start of growing phase, start of finishing phase, or start of growing and finishing phases). While TM injection did further increase liver Cu, Zn, Mn, and Se concentrations, limited influence on performance was noted, likely due to the steers having excellent TM status at the beginning of the experimental period. Further research needs to be done utilizing steers with varying TM status to evaluate effects on growth and carcass traits in response to a rapid improvement in TM status.

Copyright Holder

Iowa State University

Language

en

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