1. Effect of calcium level of the developing and laying ration on hatchability of eggs and on viability and growth rate of progeny of young pullets;Berg;Poultry Sci.,1962
2. Effects of high calcium intake on the absorption of other nutrients;Davis;Federation Proc.,1959
3. Nutritional interactions of zinc and calcium;Forbes;Federation Proc.,1960
4. Nutritional investigations with turkey hens. 4. Quantitative requirement for calcium;Jensen;Poultry Sci.,1963
5. March, B., and J. Biely 1961. Mineral intake of laying birds in relation to rate and quality of egg production. Mimeo. Publ. B.C. Department of Agriculture and Department of Poultry Science, Univ. of British Columbia.