Abstract

Several American universities and the federal departments of agriculture in the US and Canada have conducted dairy cattle selection experiments in the last 30 years (White et al., 1977; Young et al., 1977; Blake et al., 1986; McAllister et al., 1990). The experiments in the US were a part of two regional projects with federal funding; NC-2 (Young et al., 1977) and S-49 (White et al., 1977

A. J McAllister, A. J Lee

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 19. Selection and quantitative genetics; growth; reproduction; lactation; fish; fiber; meat., , 3–8, 1994