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Repeatability and heritability of persistency of lactation and initial milk yield in the Egyptian buffaloes

Published online by Cambridge University Press:  27 March 2009

A. A. Asker  and
L. H. Bedeir
A. A. Asker
Affiliation:
Department of Animal Production, Ministry of Agriculture, Cairo
L. H. Bedeir
Affiliation:
Department of Animal Production, Ministry of Agriculture, Cairo
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Extract

The aim of this investigation was to study the repeatability and heritability of initial milk yield and persistency of lactation in buffaloes. The interrelationships between 305 days milk yield, initial milk yield and persistency were also investigated.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 56 , Issue 1 , February 1961 , pp. 7 - 10
Copyright
Copyright © Cambridge University Press 1961

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References

REFERENCES

Asker, A. A., Ragab, M. T. & Ghazy, M. S. (1953). Indian J. Dairy Sci. 6, 61.Google Scholar
Asker, A. A. & Bedeir, L. H. (1961). J. Agric. Sci. 56. 1.CrossRefGoogle Scholar
El-Itriby, A. & Asker, A. A. (1956). Indian J. Dairy Sci. 9, 157.Google Scholar
Gooch, N. (1953). J. Agric. Sci. 25, 71.CrossRefGoogle Scholar
Johansson, J. & Hansson, A. (1940). Landtbr Akad. Handl., Stockh., 65, 9.Google Scholar
Ludwick, T. M. & Petersen, E. (1943). J. Dairy Sci. 26, 439.CrossRefGoogle Scholar
Lush, J. L. (1947). Anim. Breeding Plans, 3rd ed.Iowa, Ames: Iowa State College Press.Google Scholar
Lush, J. L. (1948). Proc. 8th Int. Congr. Genetics, Stockholm, p. 356.Google Scholar
Madden, D. E., Lush, J. L. & McGillard, I. (1955). J. Dairy Sci. 38, 1264.CrossRefGoogle Scholar
Mahadevan, P. (1951). J. Agric. Sci. 41, 89.CrossRefGoogle Scholar
Sana, Allah (1952). Factors affecting persistency of milk production in dairy cattle. Ph.D. Thesis, Univ. of Minn., St Paul, Minnesota.Google Scholar
Sikka, L. C. (1950). J. Dairy Res. 17, 231.CrossRefGoogle Scholar
Snedecor, G. W. (1956). Statistical Methods, 5th ed.Ames, Iowa: Iowa State College Press.Google Scholar
Stormont, S. (1952). Research with identical twins. Paper presented at the Biostatic Conference July 1952 (quoted by Sana Allah, 1952).Google Scholar