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Internal estimation and controlled selection with applications to sheep

โœ Scribed by G. M. Tallis; P. Leppard

Publisher
Springer
Year
1989
Tongue
English
Weight
814 KB
Volume
78
Category
Article
ISSN
0040-5752

No coin nor oath required. For personal study only.

โœฆ Synopsis

This paper examines the relationship of economic weights, a i, with a general economic value surface. It is inferred that the a i may vary across the population, as they can depend on the mean vector for the characters of interest. It is shown how these ideas extend to provide simple mechanisms for controlled selection. The problem of estimation is raised, and it is suggested that the procedures can be efficiently implemented, even in small populations, by a system of 'internal' parameter estimation. This makes the entire selection programme independent of externally generated estimates of genetic parameters.

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