Abstract
Diets containing 10 and 20% of either prepress-solvent commercial rapeseed meal or thioglucoside-free Bronowski rapeseed meal were fed to Large White turkeys from 6 days of age to market at 144 days. Twenty percent commercial rapeseed meal depressed gains in comparison with an isocaloric and isonitrogenous soybean meal control diet. The performance of turkeys fed Bronowski rapeseed meal was essentially equal to that of birds fed the control diet. Diets containing 10% commercial rapeseed meal and 10 or 20% Bronowski meal were utilized more efficiently from 55 to 111 days than from 6 to 55 days of age when compared with the control diet.

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