J. Anim Sci.
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
QUICK SEARCH:   [advanced]


     

J. Anim Sci. 1970. 31:967-972.
© 1970 American Society of Animal Science
This Article
Right arrow Full Text (PDF)
Right arrow A correction has been published
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Similar articles in this journal
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Hoffman, M. P.
Right arrow Articles by Self, H. L.
Right arrow Search for Related Content
PubMed
Right arrow Articles by Hoffman, M. P.
Right arrow Articles by Self, H. L.

Shelter and Feedlot Surface effects on Performance of Yearling Steers1, 2,

M. P. Hoffman and H. L. Self3

Iowa State University, Ames

Abstract

Six winter and six summer trials involving 1,415 yearling steers were conducted to study the effects of shelter and feedlot surface on rate of gain, feed consumption and feed efficiency.

Shelter significantly increased rate of gain in both summer and winter, with the greater effect occurring in winter. Shelter did not significantly affect feed consumption in either winter or summer, but did have a significantly beneficial effect on feed efficiency in winter. There was only a trend toward improving feed efficiency with shelter in summer; consequently, shelter improved efficiency significantly more in winter than in summer. Surface did not significantly affect rate of gain, feed intake or feed efficiency, although paving did greatly expedite the removal of manure and feedlot maintenance. Shelter and surface did not interact significantly to affect rate of gain, feed consumption or feed efficiency.

Footnotes

1 Journal Paper No. J-6495 of the Iowa Agriculture and Home Economics Experiment Station, Ames, Iowa. Project No 1503.

2 Supported in part by funds supplied by the Iowa Ready Mixed Concrete Association.

3 The authors wish to acknowledge the assistance of D. F. Cox in the statistical analysis; D. O. Hull, F. W. Roth and V. M. Meyer in the design and construction of the facilities and N. Gay and C. E. Summers in the conduct of the experiment.






HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Copyright © 1970 by the American Society of Animal Science.