The modern broiler was developed in the past 60 years, from a dual-purpose chicken, reared primarily for egg production. It is now the most efficient converter of grain to meat among all agricultural animals. This is due the early realization that in this species, the key for efficient feed conversion was to shorten time to market through selection for rapid juvenile growth rate (JGR), and later for increased breast weight as a proportion of body weight (%BW).

Y. Eitan, Moshe Soller

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 2002. Session 19, , 19.1, 2002
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