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Unpublished Paper
Influence of Feed Efficiency Ranking on Diet Digestibility and Performance of Beef Steers
Animal Industry Report
  • Jason R. Russell, Iowa State University
  • Stephanie L. Hansen, Iowa State University
Extension Number
ASL R2960
Publication Date
Summary and Implications

The current study evaluated diet digestibility and finishing phase growth performance in steers previously evaluated for feed efficiency during the growing phase. Based on growing phase feed efficiency, steers were classified as highly or lowly feed efficient. During the finishing phase, the highly feed efficient steers remained more feed efficient. Steers were fed either corn or roughage-based diets during the growing phase and then transitioned to either corn or byproduct-based diets during the finishing phase. Dry matter digestibility was strongly positively correlated in steers grown/finished on corn or grown/finished on high fiber diets (roughage, byproduct). Conversely, there was a strong negative correlation in G:F between feeding phases when steers were roughage-grown and corn-finished. Overall, the study reinforced the idea that diet digestibility differences may contribute to feed efficiency variability and that cattle should be feed efficiency tested on diets similar to the production environment of interest.

Copyright Holder
Iowa State University
Citation Information
Jason R. Russell and Stephanie L. Hansen. "Influence of Feed Efficiency Ranking on Diet Digestibility and Performance of Beef Steers" (2015)
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