Genetic parameter estimates and strain comparisons of egg compositional traitsFootnote¹

Animal Research Institute, Contribution No. 648.

References

• Becker , W. A. 1967 . A Manual of Procedures in Quantitative Genetics , 2nd ed. , Washington : Washington State University Press .
   Google Scholar
• Eisen , E. J. , Bohren , B. B. and McKean , H. E. 1963 . Source and age of pullets and storage of eggs as factors affecting Haugh unit measurements . Br. Poult. Sci. , 4 : 123 – 146 .
   Google Scholar
• Gowe , R. S. , Lentz , W. and Strain , J. H. . Long‐term selection for egg production in several strains of White Leghorns: performance of selected and control strains including genetic parameters of two control strains . 4th Europ. Poult. Corf. . London. pp. 225 – 245 .
   Google Scholar
• Henderson , C. R. 1953 . Estimation of variance and covariance components . Biometrics , 9 : 226 – 252 .
   Web of Science ®Google Scholar
• Hill , A. T. , Krueger , W. F. and Quisenberry , J. H. 1966 . A biometrical evaluation of component parts of eggs and their relationship to other economically important traits in a strain of White Leghorns . Poult. Sci. , 45 : 1162 – 1185 .
   Web of Science ®Google Scholar
• Jaffe , W. P. 1964 . The relationship between egg weight and yolk weight . Br. Poult. Sci. , 5 : 295 – 298 .
   Google Scholar
• Jain , G. L. 1971 . A genetic evaluation of egg mass and egg component traits in three lines of domestic fowl , Canada : University of British Columbia . Ph.D. thesis
   Google Scholar
• Nagai , J. and Gowe , R. S. 1969 . Genetic control of egg quality. 1. Sources of variation . Br. Poult. Sci. , 10 : 337 – 350 .
   PubMed Web of Science ®Google Scholar
• Robertson , A. 1959 . The sampling variance of the genetic correlation coefficient . Biometrics , 15 : 469 – 485 .
   Web of Science ®Google Scholar
• Rodda , D. D. 1975 . Quantitative genetics of egg composition , Ontario, , Canada : University of Guelph . Ph.D. thesis
   Google Scholar
• Searle , S. R. 1971 . Linear Models , New York : John Wiley and Sons, Inc. .
   Google Scholar
• Technicon . 1965 . Method N‐14b. Chauncey , New York : Technicon Instruments Corporation .
   Google Scholar
• Tyler , C. 1945 . The porosity of egg shells and the influence of different levels of dietary calcium upon porosity . J. agric. Sci., Camb. , 35 : 168 – 176 .
   Google Scholar
• Present address: Scorrier, Redruth, Cornwall TR16 5BT, United Kingdom.
   Google Scholar
• Animal Research Institute, Contribution No. 648.
   Google Scholar