The CNES framework needs further generalization since it was developed using average frame size British breed cattle receiving a growth stimulant and fed in a thermal neutral environment. The objective of this paper is to generalize the CNES by using suitable adjustment factors to take into account alternative frame sizes, breeds, sexes and ages, varied body conditions due to previous nutritional treatment, the use of various growth stimulants and feed additives, the associative effects of feedstuffs and various environments. The physiological effects of these factors are estimated using results from a variety of experiments. Dry matter intake equations are described, as are equations to predict quality and yield grades.
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Department of Animal Science, Agricultural Experiment Station, South Dakota State University
Fox, Danny G.; Black, J. Roy; and Kuhl, Gerry L., "A System of Predicting the Feedlot Performance of Growing and Finishing Cattle" (1977). South Dakota Cattle Feeders Field Day Proceedings and Research Reports, 1977. 11.