1. The behaviour of hens influenced by different rearing and housing systems;Foelsch,1981
2. Effect of light restriction and amino acid supplementation on performance and agonistic behaviour of forced molted hens;Hembere;Poult. Sci.,1978
3. Induced Moulting;Jensen,1981
4. Effect of feed withdrawal on behaviour and egg production in white leghorns on litter and wire;Simonsen;Br. Vet. J.,1979