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Quantitative Carcass Characteristics of Reciprocally Crossed Angus, Charolais and Hereford Heifers¹

University of Missouri, Columbia

Abstract

Numerous studies have been conducted concerning the effect of breed on quantitative carcass characteristics of beef cattle (Hedrick, 1968). Since the study by Schweitzer (1895) in which the Angus, Hereford and Shorthorn breeds were compared, most of the studies of this nature in the United States have been concerned with comparisons of purebreds and crossbreds of these British breeds and to a lesser extent the Holstein and Brahman breeds. The object of crossbreeding is to increase the productivity of the offspring over that of the parents when unrelated individuals are mated. Gregory et al. (1966c) reported on the heterosis effects on carcass traits when purebred and crossbred Angus, Hereford and Shorthorn steers were compared. The use of the Charolais breed in the United States, mainly for crossbreeding purposes, has increased in recent years. Little information is available on the Charolais when crossed with the major British breeds.

This paper reports results from an experiment designed to evaluate heterosis effects on quantitative carcass characteristics of beef heifers.

¹ Contribution from Missouri Agricultural Experiment Station. Journal Series No. 5876. Approved by the Director.

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