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(A) Housing effects on feed consumption in the ED trial, (B) Housing effects on feed consumption in the CLD trial, and (C) Dietary effects on mean feed consumption in two different housing systems. The values are means ± standard error of the mean. Significance level: ***P < 0.01 = highly significant, **p < 0.05 = significant, NS = non-significant. Abbreviations: ED, Experimental diet; CLD, commercial layer diet.
