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1990
F. J. C. Swanepoel and Heyns, H., Scrotal circumference in young beef bulls: relationships to growth traits., vol. XV. Beef cattle, sheep and pig genetics and breeding, fibre, fur and meat quality., pp. 275–278, 1990. (958.39 KB)
1986
F. J. C. Swanepoel, Heyns, H., and van Zyl, J. M., Linear measurements and growth parameters in young beef bulls., Proceedings of the World Congress on Genetics applied to Livestock Production, vol. IX. Breeding programs for dairy and beef cattle, water buffalo, sheep, and goats., pp. 446–450, 1986. (1.44 MB)
F. J. C. Swanepoel, Venter, H. A. W., van Zyl, J. G. E., and Heyns, H., Relationships between scrotal circumference and growth parameters in young bulls., Proceedings of the World Congress on Genetics applied to Livestock Production, vol. XI. Genetics of reproduction, lactation, growth, adaptation, disease, and parasite resistance., pp. 66–71, 1986. (1.29 MB)