Document Type

Report

Report Number

93-5

Publication Date

1993

Keywords

oat hulls, ammoniation, growing diets

Summary

Eighty-one steer calves were fed growing diets that contained 50% of either 1) ground brome hay (BROME), 2) unground oat hulls (OH), or 3) unground oat hulls treated with 3% ammonia and enough water to raise the moisture content to 20% (NH3-OH). Treated oat hulls were allowed to react for 63 days prior to feeding. Daily gains of NH3-OH fed steers were 18 and 13% greater than those of OH and BROME fed steers, respectively, during the 88-day study (P<.01). Dry matter intakes were not affected by diet (P>.10). However, feed efficiency was 13% better for NH3-OH fed steers than steers fed OH and 9% better than those fed the BROME diet (Pc.05). Calculated NEm and NEg estimates for the brome hay, untreated and 9 treated oat hulls used in this study were 53.9 and 31.9, 51.0 and 29.2, and 64.7 and 40.8 Mcal/cwt DM, respectively. Oat hulls respond well to ammonia treatment and may contain as much as 23% more net energy than brome hay in calf growing diets.

Number of Pages

4

Format

application/pdf

Language

en

Publisher

South Dakota State University

Rights

Copyright © 1993 South Dakota State University.

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