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1986
J. C. M. Trail, Animal breeding in developing country situations in Africa., Proceedings of the World Congress on Genetics applied to Livestock Production, vol. XI. Genetics of reproduction, lactation, growth, adaptation, disease, and parasite resistance., pp. 474–485, 1986. (2.97 MB)
M. Murray, Trail, J. C. M., and Black, S. J., Genetic resistance to parasitic diseases. African trypanosomiasis., Proceedings of the World Congress on Genetics applied to Livestock Production, vol. XI. Genetics of reproduction, lactation, growth, adaptation, disease, and parasite resistance., pp. 551–562, 1986. (3.29 MB)
1982
J. C. M. Trail, Adaptation to Tropical Environments, Proceedings of the World Congress on Genetics applied to Livestock Production., vol. 6. Round tables, pp. 265-268, 1982. (800.84 KB)
K. E. Gregory, Trail, J. C. M., Koch, R. M., and Cundiff, L. V., Heterosis, crossbreeding and composite breed utilization in the tropics., Proceedings of the World Congress on Genetics applied to Livestock Production., vol. 6. Round tables, pp. 279–292, 1982. (2.78 MB)
M. Murray and Trail, J. C. M., Trypanotolerance: genetics, environmental influences and mechanisms., Proceedings of the World Congress on Genetics applied to Livestock Production., vol. 6. Round tables, pp. 293–306, 1982. (2.71 MB)
1974
J. C. M. Trail, Beef cattle breeding in Botswana with particular reference to the establishment of the Ministry of Agriculture's research programme in 1970., Proceedings of the World Congress on Genetics applied to Livestock Production., vol. 2, pp. 231–236, 1974. (266 KB)