1. Effect of crowding and cage shape on productivity and profitability of caged layers: a survey;Adams;Poultry Sci.,1985
2. Agonistic behavior of caged chickens related to group size and area per bird;Al-Rawi;Appl. Anim. Ethol.,1975
3. Agonistic behavior and egg production of caged layers: genetic strain and group-size effects;Al-Rawi;Poultry Sci.,1976
4. American Farm Bureau Federation, 1990. A National Survey of Americans’ Attitudes Toward Farmers, Farm Practices and Food Safety. Prepared by Porter/Novelli for American Farm Bureau Federation, Park Ridge, IL.
5. American Medical Association, 1989. Public Attitudes about the Use of Animals in Biomedical Research: Focus Groups and National Surveys of Adults and Children: A Summary of Finding. Compiled from: Public attitudes about the use of animals in biomedical research: A qualitative study. prepared by LaScola Qualitiative Research, April 1989, and “Attitudes toward the use of animals in research: A report of findings from national surveys of adults and children.” prepared by Meilman and Lazarus, Inc. August, 1989. The American Medical Association, 535 N. Dearborn, Chicago, IL.