Abstract

Selection in cattle, sheep and pigs for early puberty and increased fertility at first mating is discussed here from the standpoint of improving lifetime productivity. Both phenotypic and genetic relationships are considered to improve current lifetime performance of breeding females and future generations, respectively.

R. L Baker, C. A Morris

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 5. Plenary sessions, , 282–293, 1982
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