References
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- Fisher , C , Morris , T. R. and Jennings , R. C. 1973 . A model for the description and prediction of the response of laying hens to amino acid intake. . British Poultry Science , 14 : 469 – 484 .
- Jennings , R. C , Fisher , G. and Morris , T. R. 1972 . Changes in the protein requirements of pullets during the first laying year. . British Poultry Science , 13 : 279 – 281 .
- Morris , T. R. and Wethli , E. 1978 . The tryptophan requirements of young laying pullets. . British Poultry Science , 19 : 455 – 466 .
- Pilbrow , P. J. and Morris , T. R. 1974 . Comparison of lysine requirements amongst eight stocks of laying fowls. . British Poultry Science , 15 : 51 – 73 .