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The Accuracy of Weights and Gains of Beef Cattle

University of Nebraska and United States Department of Agriculture^{1, 2,}

Abstract

Analysis of the three initial and three final weights of 582 calves for full and shrunk conditions was presented. Shrunk weights were influenced less by fluctuations in fill and were considered a more accurate measure of weights and gains. The use of 3-day average weights was effective in reducing fluctuations in fill. The average of three weights or at least two weights is recommended for use where comparisons of individuals are concerned. Animal differences were large in comparison to residual variation. Adjusting the number of animals to obtain the accuracy needed was the most effective way of reducing variation for comparisons of groups of animals.

¹ Published with the approval of the Director as Paper No. 846 Journal Series, Nebraska Agricultural Experiment Station, Lincoln.

² Contribution from the North Central Regional Project NC-1, which is cooperative between the Agricultural Research Service, U. S. Department of Agriculture, the North Central and Oklahoma State Agricultural Experiment Stations.