J. Anim Sci.
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
QUICK SEARCH:   [advanced]


     

This Article
Right arrow Full Text (PDF)
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Nejati-Javaremi, A.
Right arrow Articles by Gibson, J. P.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Nejati-Javaremi, A.
Right arrow Articles by Gibson, J. P.

Journal of Animal Science, Vol 75, Issue 7 1738-1745, Copyright © 1997 by American Society of Animal Science

JOURNAL ARTICLE

Effect of total allelic relationship on accuracy of evaluation and response to selection

A. Nejati-Javaremi, C. Smith and J. P. Gibson
Department of Animal and Poultry Science, University of Guelph, Ontario, Canada.

Total allelic relationship (TA) as a possible alternative to the pedigree-derived additive genetic relationship (RA) is defined. The TA measures the actual allelic identity between individuals for loci segregating for the trait concerned. Its value was studied by simulation in populations of different family structure, different numbers of loci, different numbers of alleles per locus, and different heritability levels. The alternative types of relationship matrices were used in mixed model equations to derive best linear unbiased prediction estimates (EBV) of breeding values (BV). Accuracies of evaluations were calculated as correlations of EBV with true breeding values. In populations with random selection and mating, EBVTA derived using TA had higher accuracies than EBVRA derived using RA. In populations with selection, EBVTA was more accurate and resulted in higher responses than selection on EBVRA. We conclude that not accounting for variation in average measures of relationship and identity in state can be important sources of variance of prediction error, and taking account of them increases the accuracy of selection.


This article has been cited by other articles:


Home page
 GeneticsHome page
D. Habier, R. L. Fernando, and J. C. M. Dekkers
The Impact of Genetic Relationship Information on Genome-Assisted Breeding Values
Genetics, December 1, 2007; 177(4): 2389 - 2397.
[Abstract] [Full Text] [PDF]

Home page
 Crop Sci.Home page
A. M. Bauer, T. C. Reetz, and J. Leon
Estimation of Breeding Values of Inbred Lines using Best Linear Unbiased Prediction (BLUP) and Genetic Similarities
Crop Sci., November 21, 2006; 46(6): 2685 - 2691.
[Abstract] [Full Text] [PDF]

Home page
 J ANIM SCIHome page
B. Villanueva, R. Pong-Wong, J. Fernandez, and M. A. Toro
Benefits from marker-assisted selection under an additive polygenic genetic model
J Anim Sci, August 1, 2005; 83(8): 1747 - 1752.
[Abstract] [Full Text] [PDF]

Home page
 GeneticsHome page
J. Wang
Optimal Marker-Assisted Selection to Increase the Effective Size of Small Populations
Genetics, February 1, 2001; 157(2): 867 - 874.
[Abstract] [Full Text]


HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Copyright © 1997 by the American Society of Animal Science.