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Animal Industry Report

Extension Number

ASL R1871

Topic

Beef

Summary and Implications

This study evaluated 167 Angus sire heifers which were managed as either potential replacement breeding stock or feedlot performance heifers. Each heifer was scanned three times over the experiment period. This study would indicate that evaluation for percent intramuscular fat (PFAT) would be more feasible under typical replacement heifer development management schemes than evaluation for subcutaneous fat or REA. The difference in the level of energy fed had a much smaller response on the rate of change for PFAT than on either subcutaneous fat or REA.

Copyright Holder

Iowa State University

Language

en

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