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Intercorrelations of Weights of Wholesale Cuts of Beef Carcasses¹

University of Maryland

Abstract

Relationships among the weights of the wholesale cuts, live weight, and slaughter grade were studied from data secured from 50 steers and their carcasses. Zero order correlations as well as first order partial correlations removing the effects due to variation in live weight and second order partial correlations removing effects due to variations in live weight and slaughter grade were presented. Little effect was produced on the correlations between live weight and wholesale cuts because of the involvement of a whole-part relationship. The slight effect of slaughter grade on the size of correlations between cuts was probably due to the relatively small amount of variation in grade. A number of cuts were found to be statistically significantly correlated, among them some structurally independent cuts. For most of the latter, the first order partial correlations were in the range of 0.35 to 0.45 while the round and arm chuck were correlated to the extent of 0.69.

¹ Scientific Article No. A492 Contribution No. 2598 of the Maryland Ag. Exp. Sta., Dept. An. Husb. The work on which this publication is based was not supported by regional funds but was carried on by Maryland personnel associated with the regional and parallels the work under the S-10 project.

² Professor, Animal Husbandry, College Park, Maryland.

³ Animal Husbandman. Sheep, Goat, and Fiber Research Section, Animal and Poultry Husbandry Res. Br., A.R.S., U.S.D.A. Southwestern Range and Sheep Breeding Lab., Fort Wingate, New Mexico.

⁴ Fiber Technologist. Sheep, Goat, and Fiber Research Section. Animal and Poultry Husbandry Res. Br., A.R.S., U.S.D.A. Res. Center, Beltsville, Maryland.

⁵ Animals, slaughtering, and cutting of carcasses were furnished through the courtesy of the Corkran-Hill Company, Baltimore, Maryland.