References

• ADEMOSUN, A. A. and KALANGO, I. O. (1973). Effect of calcium and phosphorus levels on the performance of layers in Nigeria. 1. Egg production, egg shell quality, feed intake and body weight. Poultry Science 52: 1383–1392.
   PubMed Web of Science ®Google Scholar
• ATTEH, J. O. and LEESON, S. (1985). Response of laying hens to dietary saturated and unsaturated fatty acids in the presence of varying dietary calcium levels. Poultry Science 64: 520–528.
   PubMed Web of Science ®Google Scholar
• COMMON, R. H. (1943). Observations on the mineral metabolism of pullets. VII. The calcium requirement of the laying bird. Journal of Agricultural Science 33: 213–220.
   Google Scholar
• CROWLEY, T. A., PASVOGEL, M. W., KEMMERER, A. R., VAIVCH, M. G. and KURNICK, A. A. (1961). Effect of soft phosphate and dicalcium phosphate on reproductive performance and egg quality. Poultry Science 40: 74–80.
   Web of Science ®Google Scholar
• CROWLEY, T. A., KURNICK, A. A. and REID, B. L. (1963). Dietary phosphorus for laying hens. Poultry Science 42: 758–765.
   Web of Science ®Google Scholar
• DAVIDSON, J. and BOYNE, A. W. (1970). The calcium and phosphorus requirements of laying hens. British Poultry Science 11: 231–240.
   PubMed Web of Science ®Google Scholar
• DILWORTH, B. C., DAY, E. J. and HILL, J. E. (1964). Availability of calcium in feed grade phosphates to the chick. Poultry Science 43: 1132–1134.
   Web of Science ®Google Scholar
• DRAPER, H. H., SIE, TEN-LIN and BERGAN, J. G. (1972). Osteoporosis in aging rates induced by high phosphorus diets. Journal of Nutrition 102: 1133–1142.
   PubMed Web of Science ®Google Scholar
• EDWARDS, H. M., Jr. (1978). Phosphorus requirement of laying hens. Proceedings Georgia Nutrition Conference, pp. 67–73.
   Google Scholar
• EVANS, R. J., CARVER, J. S. and BRANT, A. W. (1944). The influence of dietary factors on egg shell quality. II. Calcium. Poultry Science 23: 36–41.
   Google Scholar
• GARDINER, E. E. (1969). Response of two breeds of chickens to graded levels of dietary phosphorus. Poultry Science 48: 986–993.
   PubMed Web of Science ®Google Scholar
• GARLICH, J. D. (1979). The phosphorus requirement of laying hens. Proceedings Georgia Nutrition Conference, pp. 104–114.
   Google Scholar
• GILLIS, M. B., NORRIS, L. C. and HEUSER, G. F. (1953). Phosphorus metabolism and requirements of hens. Poultry Science 32: 977–984.
   Web of Science ®Google Scholar
• GLEAVES, E. W., MATHER, F. B. and AHMAD, M. M. (1977). Effects of dietary calcium, protein and energy on feed intake, egg shell quality and hen performance. Poultry Science 56: 402–406.
   Web of Science ®Google Scholar
• GRIMINGER, P. (1961). Calcium requirement of laying hens. Feedstuffs 33: 54.
   Google Scholar
• GUTOWSKA, M. S. and PARKHURST, R. T. (1942). Studies in mineral nutrition of laying hens. 2. Excess of calcium in the diet. Poultry Science 21: 321–328.
   Google Scholar
• HAMILTON, R. M. G. and SIBBALD, I. R. (1977). The effects of dietary phosphorus on productive performance and egg quality of ten strains of white leghorns. Poultry Science 56: 1221–1228.
   Web of Science ®Google Scholar
• HAMILTON, R. M. G. (1980). The effects of dietary phosphorus, vitamin D3, and 25-hydroxy vitamin D3 levels on feed intake, productive performance and egg shell quality in two strains of force-molted white leghorns. Poultry Science 59: 598–604.
   Web of Science ®Google Scholar
• HARMS, R. H., DOUGLAS, C. R. and WALDROUP, P. W. (1961). The effects of feeding various levels and sources of phosphorus to laying hens. Florida Agricultural Experiment Station Bulletin 644. pp. 1–22.
   Google Scholar
• HARMS, R. H., DAMRON, B. L. and WALDROUP, P. W. (1965). Influence of high phosphorus levels in caged layer diets. Poultry Science 44: 1249–1253.
   Web of Science ®Google Scholar
• HARMS, R. H. and WALDROUP, P. W. (1971). The effect of high dietary calcium on the performance of laying hens. Poultry Science 50: 967–969.
   PubMed Web of Science ®Google Scholar
• HARMS, R. H. (1979). Revised specifications for feeding layers based on daily feed intake. Feedstuffs 51: 27–28.
   Google Scholar
• HOLCOMBE, D. J., ROLAND, D. A. Sr. and HARMS, R. H. (1975). The ability of hens to adjust calcium intake when given a choice of diets containing two levels of calcium. Poultry Science 54: 552–561.
   PubMed Web of Science ®Google Scholar
• HOLDER, D. P. (1981). Dietary phosphorus requirements of forced-molted leghorn hens. Poultry Science 60: 433–437.
   Web of Science ®Google Scholar
• HULAN, H. W. and NIKOLAICZUK, N. (1971). Effect of feed additives on calcium requirement, calcium retention and shell calcification in the laying hen. Canadian Journal of Animal Science 51: 169–177.
   Web of Science ®Google Scholar
• HUNT, J. R. and CHANCEY, H. W. R. (1970). Influence of dietary phosphorus on shell quality. British Poultry Science 11: 259–267.
   Web of Science ®Google Scholar
• HURWITZ, S. and GRIMINGER, P. (1962). Estimation of calcium and phosphorus requirement in laying hens by balance techniques. Journal of the Science of Food and Agriculture 3: 185–191.
   Google Scholar
• INGRAM, R. F., BLETNER, J. K. and McGHEE, G. (1976). The response of four strains of S.C. White Leghorn layers to two levels of dietary phosphorus. Poultry Science 55: 2047.
   Web of Science ®Google Scholar
• IVY, C. A. and NESHEIM, M. C. (1973). Factors influencing the liver fat content of laying hens. Poultry Science 52: 281–291.
   PubMed Web of Science ®Google Scholar
• LENNARDS, R. M. and ROLAND, D. A., Sr. (1981). The influence of time of dietary calcium intake on shell quality. Poultry Science 60: 2106–2113.
   Web of Science ®Google Scholar
• MACINTYRE, T. M., CHANCEY, H. W. R., and GARDINER, E. E. (1963). Effect of dietary energy and calcium level on egg production and egg quality. Canadian Journal of Animal Science 43: 337–343.
   Google Scholar
• MIKAELIAN, K. S. and SELL, J. L. (1981). Performance of laying hens fed various phosphorus levels continuously or phase fed decremental phosphorus levels. Poultry Science 60: 1916–1924.
   Web of Science ®Google Scholar
• MILES, R. D., COSTA, P. T. and HARMS, R. H. (1983). The influence of dietary phosphorus levels on laying hen performance, egg shell quality, and various blood parameters. Poultry Science 62: 1033–1037.
   PubMed Web of Science ®Google Scholar
• MILES, R. D. and ROSSI, A. (1983). Cation-anion balance in laying hens. Proceedings of Florida Nutrition Conference. pp. 15–22.
   Google Scholar
• MILLER, E. R. (1980). Bioavailability of minerals. Proc. of 41st Minnesota Nutrition Conference, pp. 144–160.
   Google Scholar
• MILLER, P. C. and SUNDE, M. L. (1975). Dietary calcium levels of prelay and lay diets in leghorn pullets. Poultry Science 54: 1856–1867.
   PubMed Web of Science ®Google Scholar
• MONGIN, P. and SAUVEUR, B. (1979). Plasma inorganic phosphorus concentration during eggshell formation. Brit. Poultry Science 20: 401–412.
   Web of Science ®Google Scholar
• MUELLER, W. J. (1961). The effect of constant and fluctuating environmental temperatures on the biological performance of laying pullets. Poultry Science 40: 1562–1571.
   Web of Science ®Google Scholar
• NESHEIM, M. C., IVY, C. A. and NORRELL, M. J. (1979). Some observations on fatty liver in laying hens. Proceedings Cornell Nutrition Conference, pp. 36–41.
   Google Scholar
• NOTT, H., MORRIS, F. R. and TAYLOR, T. E. (1967). Utilization of phytate phosphorus by laying hens and young chicks. Poultry Science 46: 1301.
   Web of Science ®Google Scholar
• OUSTERHOUT, L. E. (1980). Effect of calcium and phosphorus levels on egg weight and egg shell quality in laying hens. Poultry Science 59: 1480–1484.
   Web of Science ®Google Scholar
• OWINGS, W. J., SELL, J. L. and BALLOUN, S. L. (1977). Dietary phosphorus needs of laying hens. Poultry Science 56: 2056–2060.
   PubMed Web of Science ®Google Scholar
• PAUL, H. S. and SNETSINGER, D. C. (1969). Dietary calcium and phosphorus and variations in plasma alkaline phosphatase activity in relationship to physical characteristics of eggshells. Poultry Science 48: 241–251.
   PubMed Web of Science ®Google Scholar
• PEPPER, W. F., SLINGER, S. J., SUMMERS, J. D. and McCONACHIE, J. D. (1967). The interaction between dietary calcium and protein for laying hens. Poultry Science 46: 411–417.
   Web of Science ®Google Scholar
• PEPPER, W. F., WINGET, C. M. and SLINGER, S. J. (1961). Influence of calcium and ascorbic acid on egg quality. Poultry Science 40: 657–662.
   Web of Science ®Google Scholar
• PETERSEN, C. F., CONRAD, D. H., LUMIJARVI, D. H., SAUTER, E. A. and LAMPMAN, C. E. (1960). Studies on the calcium requirements of high producing white leghorn hens. Idaho Agricultural Experiment Station Research Bulletin 44: 1–34.
   Google Scholar
• REDDY, C. V., SANFORD, P. E. and CLEGG, R. E. (1968). Influence of calcium in laying rations on shell quality and interior quality of eggs. Poultry Science 47: 1077–1083.
   PubMed Web of Science ®Google Scholar
• REICHMANN, K. G. and CONNER, J. K. (1977). Influence of dietary calcium and phosphorus on metabolism and production in laying hens. British Poultry Science 18: 633–640.
   PubMed Web of Science ®Google Scholar
• RODRIGUEZ, M., OWINGS, W. J. and SELL, J. L. (1984). Influence of phase feeding available phosphorus on egg production characteristics, carcass phosphorus content, and serum inorganic phosphorus levels of three commercial layer strains. Poultry Science 63: 1553–1562.
   PubMed Web of Science ®Google Scholar
• ROLAND, D. A., Sr., SLOAN, D. R. and HARMS, R. H. (1974). Effect of various levels of calcium with and without pullet sized limestone on shell quality. Poultry Science 53: 662–666.
   Web of Science ®Google Scholar
• ROLAND, D. A., and HARMS, R. H. (1976). The influence of feeding diets containing different calcium-phosphorus ratios on the laying hen. Poultry Science 55: 637–641.
   PubMed Web of Science ®Google Scholar
• ROLAND, D. A., Sr. (1978). Nutritional disorders: Effect of nutrient deficiencies in animals: Calcium in CRC Handbook series on Nutrition and Food, Vol. 2, CRC Press Inc., Cleveland, Ohio.
   Google Scholar
• ROLAND, D. A., Sr. (1980). Egg shell quality. II. Effect of dietary manipulations of protein, amino acids, energy, and calcium in young hens on egg weight, shell weight, shell quality and egg production. Poultry Science 59: 2047–2054.
   Web of Science ®Google Scholar
• ROLAND, D. A., Sr. and FARMER, M. (1982). Studies concerning possible mechanisms for the varying response of different phosphorus levels on egg shell quality. Poultry Science 61: 1393.
   Web of Science ®Google Scholar
• ROLAND, D. A., Sr. and FARMER, M. (1984a). Egg shell quality. II. Importance of time of calcium intake with emphasis on broiler breeders. WPSA Journal 40: 255–260.
   Google Scholar
• ROLAND, D. A., Sr. and FARMER, MARK (1984b). Relation of calcium to excess feed consumption and fat deposition in commercial egg pullets. Proceedings of California Annual Nutrition Conference, pp. 79–93.
   Google Scholar
• ROLAND, D. A., Sr., FARMER, M. and MARPLE, D. (1986). Calcium and its relationship to excess feed consumption, body weight, egg size, fat deposition, shell quality and fatty liver hemorrhagic syndrome. Poultry Science 65: (in press).
   Google Scholar
• SAID, N. W., SUNDE, M. L., BIRD, H. R. and SUTTIE, J. W. (1979). Raw rock phosphate as a phosphorus supplement for growing pullets and layers. Poultry Science 58: 1557–1563.
   Web of Science ®Google Scholar
• SAID, N. W., SULLIVAN, T. W., SUNDE, M. L. and BIRD, H. R. (1984). Effect of dietary phosphorus level and source on productive performance and egg quality of two commercial strains of laying hens. Poultry Science 63: 2007–2019.
   PubMed Web of Science ®Google Scholar
• SALMAN, A. J., ALI, M. S. and McGINNIS, J. (1969). Effect of level and source of phosphorus and different calcium levels on productivity and phosphorus utilization by laying hens. Poultry Science 48: 1004–1009.
   PubMed Web of Science ®Google Scholar
• SCOTT, M. L., HULL, S. J., and MULLENHOFF, R. A. (1971). The calcium requirement of laying hens and effects of dietary oyster shell upon shell quality. Poultry Science 50: 1055–1063.
   Web of Science ®Google Scholar
• SELL, J. L. (1979). Phosphorus requirement of laying hens: A basic approach. Feed Management 30: 24.
   Google Scholar
• SHIRLEY, H. V. (1974). Calcium and phosphorus in rations of laying stocks. Tennessee Farm and Home Science, July and September, pp. 8–12.
   Google Scholar
• SINGSEN, E. P., SPANDORF, A. H., MATTERSON, L. D., SERAFIN, J. A. and TLUSTOHOWICZ, J. J. (1962). Phosphorus in the nutrition of the adult hen. 1. Minimum phosphorus requirements. Poultry Science 41: 1401–1414.
   Web of Science ®Google Scholar
• SULLIVAN, T. W. and KINGAN, J. R. (1962). Effect of dietary calcium level, calcium lactate, and ascorbic acid on egg production of S. C. White Leghorn hens. Poultry Science 41: 1596–1602.
   Web of Science ®Google Scholar
• SUMMERS, J. D., GRANDHI, R. and LEESON, S. (1976). Calcium and phosphorus requirements of the laying hens. Poultry Science 55: 402–413.
   PubMed Web of Science ®Google Scholar
• TALMAGE, R. V., ROYCROFT, J. H. and ANDERSON, J. J. B. (1975). Daily fluctuations in plasma calcium, phosphate and their radionuclide concentrations in the rat. Calcif. Tiss. Res. 17: 19–102.
   Google Scholar
• TANAKA, Y. and DELUCA, H. F. (1973). The control of 25-hydroxyvitamin D metabolism by inorganic phosphorus. Arch. Biochem. Biophys 154: 566–574.
   PubMed Web of Science ®Google Scholar
• TAYLOR, T. G. (1965). Dietary phosphorus and egg shell thickness in the domestic fowl. British Poultry Science 6: 79–87.
   PubMedGoogle Scholar
• TORTUERO, F. and CENTENO, C. (1973). Studies of the use of calcium carbonate in the feeding of laying hens during summer months. Poultry Science 52: 866–872.
   Web of Science ®Google Scholar
• WALTER, E. D. and AITKEN, J. R. (1962). Phosphorus requirements of laying hens confined to cages. Poultry Science 41: 386–390.
   Web of Science ®Google Scholar
• YOUNG, R. J., NESHEIM, M. C., DESAI, I. D. and SCOTT, M. L. (1964). The effect of high dietary calcium on growing pullets and the performance of laying hens. Proceedings Cornell Nutrition Conference, pp. 45–49.
   Google Scholar