Abstract
UNTIL quite recently the most popular method of feeding turkeys has been a free-choice system wherein the turkeys are allowed to balance their own diet with continuous access to a protein-vitamin-mineral concentrate and whole grains. Some modification of this method has been practiced by limiting one or the other component when over-consumption of either energy or protein occurs. The idea has been advanced recently that the turkey either cannot or will not balance its own diet properly when given such a choice. Proponents of all-mash feeding insist that when all of the components are mixed in a prescribed ratio, scaled to the changing requirement of the turkey throughout its growing period, growth rate and feed efficiency are improved and market age is decreased.Blaylock et al. (1954) studied the effect of feeding high and low energy pellets with corn and barley to turkeys from 8 to 23 weeks of age …
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