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Relationship between the cumulative difference and best linear unbiased predictor methods of evaluating bulls

Published online by Cambridge University Press:  02 September 2010

R. Thompson
Affiliation:
Statistical Laboratory, Iowa State University, Ames, Iowa, U.S.A. and ARC Unit of Statistics, University of Edinburgh, 19 Buccleuch Place, Edinburgh EH8 9LN‡
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Summary

The relationship between two methods of sire evaluation (Bar-Anan and Sacks's cumulative difference method (CD) and Henderson's best linear unbiased predictor method (BLUP)) is shown. This relationship suggests a modification, with more theoretical justification, to the CD method.

Type
Research Article
Copyright
Copyright © British Society of Animal Science 1976

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References

REFERENCES

Bar-Anan, R. 1976. The modified cumulative difference. Proc. 27th Mtg EAAP, Zurich, Switzerland.Google Scholar
Bar-Anan, R. and Sacks, J. M. 1974. Sire evaluation and estimation of genetic gain in Israeli dairy herds. Anim. Prod. 18: 5966.Google Scholar
Cunningham, E. P. 1965. The evaluation of sires from progeny test data. Anim. Prod. 7: 221231.Google Scholar
Dempfle, L. 1976. A note on the properties of the cumulative difference method for sire evaluation. Anim. Prod. 23: 121124.Google Scholar
Henderson, C. R. 1963. Selection index and expected genetic advance. In Statistical Genetics and Plant Breeding (ed. Hanson, W. D. and Robinson, H. F.), pp. 141163. Publ. 982. National Academy of Sciences, National Research Council, Washington, D.C.Google Scholar
Henderson, C. R. 1973. Sire evaluation and genetic trends. In Proc. Anim. Breed. Genet. Symp., Blacksburg, Virginia, pp. 1041. American Society of Animal Science, Champaign, Illinois.Google Scholar
Henderson, C. R., Kempthorne, O., Searle, S. R. and Von krosigk, C. M. 1959. The estimation of environmental and genetic trends from records subject to culling. Biometrics, 15: 192218.CrossRefGoogle Scholar
Robertson, A. and Rendel, J. M. 1954. The performance of heifers got by artificial insemination. J. agric. Sci., Camb. 44: 184192.CrossRefGoogle Scholar
Searle, S. R. 1971. Linear Models. Wiley, London.Google Scholar