REFERENCES
- BRAY, D. J. (1960). Studies with Corn-soya Laying Diets. 2. Optimum Combinations of Corn and Soyabean Protein. Poultry Sci. 39: 1541–1545.
- BRAY, D. J. and J. A. GESELL (1961). Studies with Corn-Soya Laying Diets. 4. Environmental Temperature–a Factor Affecting Performance of Pullets Fed Diets Suboptimal in Protein. Poultry Sci. 40: 1328–1335.
- MORRIS, T. R. and S. FOX (1958). Light and Sexual Maturity in the Domestic Fowl. Nature. 181: 1453–1454.