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1998
R. Webb, Driancourt, M. A., and Hanrahan, J. P., Ovulation rate in the ewe: mechanisms underlying genetic variation., vol. 27: Reproduction; fish breeding; genetics and the environment; genetics in agricultural systems; disease resistance; animal welf, pp. 3–10, 1998. (365.39 KB)
1990
S. A. Vulich, Hanrahan, J. P., and O'Riordan, E. G., Variation of intake at pasture: differences among breeds of sheep of different mature size., vol. XV. Beef cattle, sheep and pig genetics and breeding, fibre, fur and meat quality., pp. 57–60, 1990. (1.35 MB)
1986
J. P. Hanrahan and Quirke, J. F., Breeding season and multiple births in small ruminants., Proceedings of the World Congress on Genetics applied to Livestock Production, vol. XI. Genetics of reproduction, lactation, growth, adaptation, disease, and parasite resistance., pp. 30–45, 1986. (4.63 MB)
1982
J. P. Hanrahan, Selection for increased ovulation rate, litter size and embryo survival., Proceedings of the World Congress on Genetics applied to Livestock Production., vol. 5. Plenary sessions, pp. 294–309, 1982. (5.37 MB)
1974
J. P. Hanrahan, Maternal effects and selection response., Proceedings of the World Congress on Genetics applied to Livestock Production., vol. 3, pp. 391–395, 1974. (195.55 KB)
J. P. Hanrahan, Ovulation rate as a selection criterion for fecundity in sheep., Proceedings of the World Congress on Genetics applied to Livestock Production., vol. 3, pp. 1033–1038, 1974. (186.05 KB)