References

1. Lloyd Jones, O. What is a breed? J. Heredity 1915, 6, 531 535.

2. Wright, S. Evolution and the Genetics of Populations. Experimental Results and Evolutionary Deductions; The University of Chicago Press: Chicago, 1977; Vol. 3, 526 555.

3. Mason, I.L. A World Dictionary of Livestock Breeds, Types and Varieties, 4th Ed.; CAB International: Wallingford, UK, 1996.

4. Briggs, H.M.; Briggs, D.M. Modern Breeds of Livestock, 4th Ed.; Macmillan: New York, NY, 1980.

5. Felius, M. Cattle Breeds of the World; Merck & Co., Inc.: Rahway, NJ, 1985.

6. Committee on Managing Global Genetic Resources. Managing Global Genetic Resources Livestock; National Academy Press: Washington, DC, 1993; 21 46.

7. Buchanan, D.S.; Dolezal, S.L. Breeds of Cattle. In The Genetics of Cattle; Fries, R., Ruvinsky, A., Eds.; CABI Publishing: Oxon, UK, 1999; 667 696.

8. Cundiff, L.V.; Gregory, K.E.; Koch, R.M.; Dickerson, G.E. Genetic Diversity Among Cattle Breeds and Its Use to Increase Beef Production Efficiency in a Temperate Environment. In Proc. 3rd World Cong. on Genetics Applied to Livestock Production; Unversity of Nebraska, 1986; Vol. IX, 271 282.

9. Cundiff, L.V.; Szabo, F.; Gregory, K.E.; Koch, R.M.; Dikeman, M.E.; Crouse, J.D. Breed Comparisons in the Germplasm Evaluation Program at MARC. Proceedings Beef Improvement Federation, Asheville, NC, 1993; 124 136.

10. Dickerson, G.E. Crossbreeding Evaluation of Finnsheep and Some US Breeds for Market Lamb Production, NCR Pub. No. 246; 1977.

11. Johnson, R.K. Heterosis and Breed Effects in Swine, NC Regional Pub 262; 1980.

12. McDowell, R.E. Crossbreeding as a system of mating for dairy production. South. Coop. Ser. Bull. 1982, 259.

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