Abstract

The records of 282 young beef bulls from different breeds tested from November 1981 to April 1987 at the EUerslie Bull Test Station, Alberta, Canada were used to investigate the variation in feed efficiency among young performance tested bulls. The study showed that there existed sufficient variation in feed consumption independent of maintenance and growth. This variation was to a great extent genetically determined. For rapid improvement in feed efficiency in beef cattle, selection pressure should be applied to both growth traits and independent feed efficiency traits. Keywords: feed efficiency, residual ME consumption, beef bulls

M. F Liu, L. A Goonewardene, M. Makarechian, D. RC Bailey

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 23: Opening: plenary; technology; transfer; beef cattle; dairy cattle; pigs., , 217–220, 1998
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