1. Effect of cage size and bird density on performance of six commercial strains of layers;Adams;Poultry Sci.,1968
2. Cage density as it relates to debeaking method;Bell;Poultry Sci.,1966
3. Sensory stress effect on layers;Hamm;Poultry Sci.,1967
4. Removal of toenails stopped hysteria;Hansen;Poultry Dig.,1969
5. Which laying system is best?;Henry;Poultry Dig.,1968