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2. Long, C.M. Crossbreeding for beef production: Experi mental results (A review). J. Anim. Sci. 1980, 51, 1197 1223.

3. Cundiff, L.V.; Szabo, F.; Gregory, K.E.; Koch, R.M.; Crouse, J.D. Breed Comparisons in the Germplasm Eval uation Program at MARC. Proc. Beef Improvement Federation Meeting, Ashville, NC, May 26 29, 1993; 124 136.

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