1. Aviary systems and conventional cages for laying hens;Abrahamsson;Acta Agric. Scand. Anim. Sci.,1995
2. Performance and egg quality of laying hens in an aviary system;Abrahamsson;J. Appl. Poult. Res.,1998
3. Performance of four hybrids of laying hens in modified and conventional cages;Abrahamsson;Acta Agric. Scand. Anim. Sci.,1995
4. Effects on production, health and egg quality of varying proportions of wheat and barley in diets for two hybrids of laying hens kept in different housing systems;Abrahamsson;Acta Agric. Scand. Anim. Sci.,1996