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The Relationship between Egg Production, Egg Weight and Body Weight in Laying Hens

Published online by Cambridge University Press:  02 April 2007

P. H. C. Du Plessis  and
J. Erasmus
P. H. C. Du Plessis
Affiliation:
University of Pretoria, Republic of South Africa.
J. Erasmus
Affiliation:
University of Pretoria, Republic of South Africa.
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Abstract

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Type
Research Article
Information
World's Poultry Science Journal , Volume 28 , Issue 3 , July 1972 , pp. 301 - 310
Copyright
Copyright © Cambridge University Press 1972

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References

Anderson, R. L. and Bancroft, T. A., 1952. Statistical theory in research. McCraw–Hill Book Co., Inc.Google Scholar
Brody, S., 1945. Bio–energies and growth. Reinhold Pub. Corp. N.Y.Google Scholar
Dickerson, C. E., 1947. Composition of Hog carcass as influenced by heritability differences in rate and economy of gain. Iona Agr. Exp. Sta. Res. Bull. 254: 492.Google Scholar
Du Plessis, P. H. C., 1968 D.Sc. (Agric.) Thesis, University of Pretoria, South Africa.Google Scholar
Farnsworth, G. M. and Nordskog, A. W., 1955. Estimates of genetic parameters influencing blood spots and other economic traits of the fowl. Poultry Sci. 34: 1192.Google Scholar
Goodale, H. D., 1949. Increasing the efficiency of the laying hen. Poultry Sci. 110: 46.Google ScholarPubMed
Hale, R. W., 1961. Heritabilities and genetic correlations of egg production and other characters in the White Wyandotte flock. An. Prod. 3: 73.Google Scholar
Hicks, A. F., 1958. Heritability and correlation analyses of egg weight, egg shape and egg number in chickens. Poultry Scil. 37: 967.CrossRefGoogle Scholar
Hogsett, M. L., and Nordskog, A. W., 1958. Genetic economic values in selecting for egg production rate, body weight and egg weight. Poultry Sci. 37: 1404.CrossRefGoogle Scholar
Hogsett, M. L., Von Krosig, C. M. and McClary, C. F., 1964. Genetic and phenotype variance—convariance and their application to index-reciprocal recurrent selection for egg production. Poultry Sci. Meeting, August, 1964. St. Paul, Minnesota.Google Scholar
Jaffe, W. P., 1966. Egg production, body weight and egg quality characters; their heritability and the correlations between them. Poultry Sci. 7: 91.CrossRefGoogle Scholar
Jerome, F. M., Henderson, C. R. and King, S. C., 1956. Heritabilities, genetic interactions with certain traits in the domestic fowl. Poultry Sci. 35: 955.CrossRefGoogle Scholar
Jull, M. A., 1940. Poultry Breeding. New York: Wiley.Google Scholar
Lerner, I. M., 1950. Population genetics and animal improvement. Univ. of California. Cambridge Press.Google Scholar
Lerner, I. M. and Dempster, E. R. 1951. Attenuation of genetic progress under continued selection in growth. Heredity 5: 75.CrossRefGoogle Scholar
Lerner, I. M. and Taylor, L. W., 1939. A statistical study of winter pause in White Leghorn pullets. Journ. Agr. Res. 59: 199.Google Scholar
Lush, J. L., 1948. The genetics of populations. Ames Iowa (Mimeo).Google Scholar
Wyatt, A. J. 1954. Genetic variation and covariation in egg production and other economic traits in chickens. Poultry Sci. 33: 126.CrossRefGoogle Scholar
Yamada, J., 1958. Heritability and genetic correlations in economic characters in chickens. World's Poultry Sci. J. 15: 181.Google Scholar