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Changes in yolk color from Novogen White laying hens fed a white, yellow or Orange Corn diet starting at 32 wk of age. Each dot on the upper graph represents a mean of individual DSM YolkFan assessment on 24 yolks per treatment. Each dot on the bottom graph represents a mean of four colorimeter determinations (a-axis) on four 6-egg yolk pools, stomached prior to assessment.
