References
- Harshaw , H. M. , Fritz , J. C. and Titus , H. W. 1934 . The normal development of the leg bones of chickens with respect to their ash content. . J. agric. Res. , 48 : 997 – 1008 .
- National Research Council of America . 1960 . Nutrient requirements of poultry , Washington, D.C. : National Academy of Sciences—National Research Council .
- Temperton , H. and Cassidy , J. 1963 . Phosphorus requirements of poultry. I. The utilization of phytin phosphorus by the chick as indicated by balance experiments. . Brit. Poultry Sci. , 5 : 75 – 80 .