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A note on the efficiency of different forms of comparison among foreign breeds

Published online by Cambridge University Press:  02 September 2010

C. Smith
C. Smith
Affiliation:
ARC Animal Breeding Research Organization, West Mains Road, Edinburgh EH9 3JQ
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Summary

Expressions are given for the variance of estimates of breed differences for direct and indirect comparisons among foreign breeds, using either purebreds or crossbreds. These expressions allow for planned genetic relationships among the groups tested.

Type
Research Article
Information
Animal Production , Volume 23 , Issue 3 , December 1976 , pp. 413 - 416
Copyright
Copyright © British Society of Animal Science 1976

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References

REFERENCES

Connolly, J. and Cunningham, E. P. 1975. Statistical and economic efficiency in crossbreeding experiments. Eur. Assoc. Anim. Prod., Warsaw, 1975 (Mimeograph).Google Scholar
Hill, W. G. 1974. Size of experiments for breed or strain comparisons. Proc. Work Symp. Breed Evaluation and Crossing Experiments with Farm Animals, Zeist, Netherlands, pp. 43–54.Google Scholar