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(A) Housing effects on livability percentage in the ED trial, (B) Housing effects on livability percentage in the CLD trial, and (C) Dietary effects on livability percentage 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.
