J. Anim Sci.
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J. Anim Sci. 1971. 33:885-890.
© 1971 American Society of Animal Science
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Methods for Improving the Interpretation of Experimental Feedlot Trials1, 2,

R. D. Goodrich and J. C. Meiske3

University of Minnesota, St. Paul

Abstract

Improvement of the interpretation of feedlot data is discussed. Five items discussed were: (1) bias of nutritional data in favor of highly fermented feeds because of errors in determining moisture content, (2) correction of live weights to equal dressing percentages, (3) covariance correction of final data to equal initial values, (4) within treatment comparisons of factors influencing gains and (5) regression correction of carcass data to equal carcass weights.

Footnotes

1 Paper No. 7401 of the Scientific Journal Series of the Minnesota Agricultural Experiment Station.

2 Invitational paper presented at the 1970 Annual Meeting of the American Society of Animal Science at the Pennsylvania State University, State College.

3 Department of Animal Science.






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