Animal Science Department

 

Date of this Version

1986

Comments

Published in 3rd World Congress on Genetics Applied to Livestock Production, edited by Gordon E. Dickerson and Rodger K. Johnson, 4 vols. (Lincoln: University of Nebraska Institute of Agriculture and Natural Resources, 1986). Copyright © 1986 Board of Regents University of Nebraska.

Abstract

It is possible to describe a realized selection by means of an indicator, f(x): probability for an individual of value x to be selected. Various models for this indicator are proposed, in the univariate case, and on the assumption that individuals are ranked on a linear index of measured variables. Estimators are defined on the basis of these models for rating traits controlled during selection. A numeric example with ewes is given.

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