References
- Fisher , R. A. and Yates , F. 1943 . Statistical Tables for Biological, Agricultural and Medical Research. , Edinburgh : Oliver and Boyd .
- Greenwood , A. W. and Blyth , J. S. S. 1946 . Sexual maturity in Brown Leghorns. . Poultry Sci. , 25 : 597
- Hays , F. A. 1936 . Inheritance of sexual maturity in Rhode Island Reds. . Report of the VIth World's Poultry Congr. , 2 : 34
- Lerner , I. M. and Taylor , L. W. 1940 . The use of the median as a measure of maturity in White Leghorn pullets. . Poultry Sci. , 19 : 216
- Morris , T. R. , Jennings , R. C. and Fox , S. 1962 . An experiment with one, two and three birds per cage in a laying battery. . World's Poultry Sci. J. , (in press)
- Snedecor , G. W. 1956 . Statistical Methods, , 5th edition , Iowa State College Press .
- Present address: Wye College (University of London), Ashford, Kent.