1. Aalhus, J. L., Larsen, L., Robertson, W. M., Gibson, L. L., & Rutley, B. D. (2003). Carcass and quality characteristics of bison heifers compared to bison bulls. A final report to the Peace Country Bison Association (p. 31). Available from http://www.bisoncentre.com/producer/resources/heifer_meat_trial.pdf.
2. Official methods of analysis;AOAC,2000
3. New concepts of cattle growth;Berg,1976
4. Buege, D. R., Kreul, M., & Howe, J. (2001). Wisconsin meat facts analysis. Nutrient content of alternate red meat products ostrich, emu, venison, elk, bison. Animal Science Department, University of Wisconsin, Madison, Wisconsin, ME 01-03 (pp. 1–6). Available from http://www.uwex.edu/ces/flp/meatscience/NutritiveContent.pdf.
5. New concepts of sheep growth;Butterfield,1988