Feedlot Diet Roughage Level for Hereford Cattle Exposed to Excessive Heat Load1

Authors

T. L. Mader, University of Nebraska, Northeast Research and Extension Center, Concord, NEFollow
J. B. Gaughan, University of QueenslandFollow
B A. Young, University of Queensland, Gatton College, Gatton Queensland, Australia

Date of this Version

1999

Citation

The Professional Animal Scientist 15:53-62

Abstract

In Exp. 1, six individually fed Hereford steers were exposed to hot (HOT) or thermoneutral (TNL) environmental conditions (ENV) while being adapted (stepped-up) to a finishing diet by decreasing roughage level from 55 to 10% of the diet DM over 17 d. Only at 10% roughage did heat exposure result in reduced (P