1. Benitez, H., 1971. Protein and energy intake requirements for laying and non-laying hens. Master's Thesis, University of Nebraska, Lincoln, Nebraska.
2. Gleaves, E. W., 1961. Establishing precise daily nutrient requirements for laying hens. Master's Thesis, Oklahoma State University, Stillwater, Oklahoma.
3. Maintenance levels of protein and energy and the effect of egg production upon feed consumption of laying hens;Gleaves;Poultry Sci.,1973
4. The effect of varied intake levels upon the performance of laying hens;Gleaves;Poultry Sci.,1967
5. The action and interaction of physiological food intake regulators in the laying hen;Gleaves;Poultry Sci.,1968