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1986
M. Schneeberger and Hagger, C., Relationship of fertility parameters with lactation yield in cows of various crossbreeding levels., Proceedings of the World Congress on Genetics applied to Livestock Production, vol. XI. Genetics of reproduction, lactation, growth, adaptation, disease, and parasite resistance., pp. 107–112, 1986. (1.34 MB)
C. Hagger and Marguerat, C., Selection for income minus feed cost in laying hens: direct and correlated responses., Proceedings of the World Congress on Genetics applied to Livestock Production, vol. X. Breeding programs for swine, poultry, and fish., pp. 299–303, 1986. (1.3 MB)