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Crambe Meal as a Source of Supplemental Protein for Growing-Finishing Beef Cattle^1,2,

Purdue University, West Lafayette, IN 47907 and Northern Regional Research Center, Agricultural Research Service, United States Department of Agriculture, Peoria, IL 61604

Abstract

A series of four experiments were conducted with growing beef cattle to evaluate crambe (Crambe abyssinica) seed meal as a source of supplemental protein. The crambe meal contained hulls and from 25 to 31% protein. In two of the experiments, nonsignificant increases in gain were associated with additions of good quality crambe meal. In the other two experiments where nonsignificant decreases in gain were obtained, the crambe meals were of lower quality as indicated by analytical data and lower apparent acceptability to the cattle.

In one of the experiments, cattle fed higher levels of crambe meal required less (P<.05) feed per kilogram gain.

¹ Department of Animal Sciences Journal Paper No. 7091, Purdue University Agricultural Experiment Station.

² Supported in part by Contract No. 12-14-3001-202 with the Agricultural Research Service, United States Department of Agriculture, Peoria, IL 61604.

³ Purdue University. Department of Animal Sciences.

⁴ Agricultural Research Service, USDA. Peoria. IL 61604. The authors thank K. D. Carlson. J. F. Cavins, M. E. Daxenbichler, C. C. Mustakas, W. H. Tallent and G. H. VanEtten for their assistance in various phases of this study.