1. Health of laying hens in an aviary system over five batches of birds;Abrahamsson;Acta Vet. Scand.,1998
2. Aviary systems and conventional cages for laying hens—Effects on production, egg quality, health and bird location in three hybrids;Abrahamsson;Acta Agric. Scand. A Anim. Sci.,1995
3. Effects of group size on performance, health and birds' use of facilities in furnished cages for laying hens;Abrahamsson;Acta Agric. Scand. A Anim. Sci.,1997
4. Performance of four hybrids of laying hens in modified and conventional cages;Abrahamsson;Acta Agric. Scand. A Anim. Sci.,1995
5. Behaviour, health and integument of four hybrids of laying hens in modified and conventional cages;Abrahamsson;Br. Poult. Sci.,1996