References
- Bolton , W. 1958 . The efficiency of food utilization for egg production by pullets . J. agric. Sci., Camb. , 50 : 97 – 101 .
- Bolton , W. 1959 . The efficiency of food utilization for egg production by pullets and yearling hens . J. agric. Sci., Camb. , 52 : 364 – 368 .
- Bolton , W. 1963 . Poultry Nutrition. , London : H.M.S.O. . Bull. 174, Ministry of Agriculture, Fisheries & Food.
- Dawkins , G. W. C. 1964 . A review of recent investigations on high and low energy rations for the laying hen . Q. Rev. , 65 : 6 – 13 .
- Hill , F. W. 1962 . “ Some aspects of the physiology of food intake and digestion in chicks ” . In Nutrition of Pigs and Poultry: , Edited by: Morgan , J. T. and Lewis , D. 3 – 17 . London : Butterworth .
- Morris , T. R. and Fox , S. 1963 . The effect of medium and high energy laying diets on strains of different body weights . Wld's Poult. Sci. J. , 19 : 306 – 311 .
- Wegner , R. M. 1962 . Effect of different forms of management and feeding during rearing of pullets on development and subsequent laying performance . Arch. Geflügelk. , 26 : 272 – 309 .