1. Selection indices with constraints;Brascamp;Anim. Breed. Abstr.,1984
2. Derivation of economic weights from profit equations;Brascamp;Anim. Prod.,1985
3. Objectives in pig breeding;Fowler;Anim. Prod.,1976
4. Economic evaluation of breeding objectives in sheep and goats — general considerations;James,1986
5. Carcass quality and its measurement in sheep;Kempster,1983