References
- Bell , A. E. , Moore , C. H. , Bohren , B. B. and Warren , D. C. 1952 . Systems of breeding designed to utilize heterosis in the domestic fowl . Poult. Sci. , 31 : 11 – 22 .
- Biswas , D. K. and Craig , J. V. 1969 . Relationship between purebred and crossbred paternal half‐sisters performance in chickens . Poult Sci. , 48 : 524 – 526 .
- Bogyo , T. P. 1964 . Coefficients of variation of heritability estimates obtained from variance analyses . Biometrics , 20 : 122 – 129 .
- Bowman , J. C. 1959 . Selection for heterosis . Anim. Breed. Abstr. , 27 : 261 – 273 .
- Burrows , W. T. and Quinn , J. P. 1937 . The collection of spermatozoa from the domestic fowl and turkey . Poult. Sci. , 16 : 19 – 24 .
- Falconer , D. S. 1961 . Introduction to Quantitative Genetics , New York : Ronald Press Co. .
- Hale , R. W. and Clayton , G. A. 1965 . A diallel crossing experiment with two breeds of laying fowl . Br. Poult. Sci. , 6 : 153 – 174 .
- King , S. D. and Henderson , C. R. 1954 . Variance components analysis in heritability studies . Poult. Sci. , 33 : 147 – 154 .
- Robertson , A. 1962 . Weighting in the estimation of variance components in the unbalanced single classification . Biometrics , 18 : 413 – 417 .
- Snedecor , G. W. 1964 . Statistical Methods , Ames : Iowa State College Press .
- Present address: Israel Poultry Breeders Association, Tel Aviv.