Theoretical and Applied Genetics

, Volume 46, Issue 1, pp 55–61 | Cite as

Multi-stage index selection

  • E. P. Cunningham


Selection index theory is extended to cover the case of selection in several stages. General algebra is given for adjusting in later stages for the effects of selection in earlier stages. In addition a method is developed for the incorporation of an index into an index. This simplifies the reuse of data from earlier stages of selection. A numerical example is used to illustrate the methods and to compare three single-stage and three two-stage selection procedures.


Prior Selection Aggregate Genotype 
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Copyright information

© Springer-Verlag 1975

Authors and Affiliations

  • E. P. Cunningham
    • 1
  1. 1.Animal Breeding & Genetics DepartmentThe Agricultural InstituteDunsinea, Castleknock, Co. DublinIreland

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