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Range Nutrition Techniques¹

Utah Agricultural Experiment Station^,3

Abstract

Range nutrition techniques involve four phases of research: (1) the nutritive value of range forage in relation to soil, site, climate, and stage of maturity, (2) the botanical and nutritive composition of the grazing sheep's diet as measured by chemical analyses and digestion trials on the range forage, (3) detailed feeding trials using several supplements or combinations to determine effect upon such production factors as gain, lamb crop, and wool yield, and (4) feeding commercial herds using the most essential supplements and determining how they can be fed on open range and whether they are profitable and practicable.

Methods have been outlined on how to carry out the third phase of such range nutrition research. This involves the use of individual portable feeding pens, a portable weighing crate, and a portable laboratory. These techniques open the way for large-scale range nutrition experiments at reasonable costs.

¹ Supported in part by grants from Swift and Co., Chicago, Illinois, International Minerals and Chemical Corporation, Chicago, Illinois, and American Dehydrators Association, Chicago, Illinois. Reported before the Western Section of the American Society of Animal Production meetings, Moscow, Idaho, June 27, 1949.

² Chairman, Institute of Nutrition, associate professor, and professor of Range Management, respectively.

³ Logan, Utah.