The differences in yolk color scores were highly significant between marigold and other (orange skin and control diet) dietary groups (p<0.01). Yolk color score of the eggs laid by birds fed marigold based diet was highest of all (8.2) and differ significantly from orange skin andcontrol group (Table 6 and Plate-2). However, the yolk color scores of orange skin based diet group (3.3) did not differ significantly with control (1.2). Daily supplemental xanthophyll intake and yolk color score of different groups of pullets fed on different diets areshown; Table 5 and 6 respectively. The tables show that birds consumed 0.745 and 0.397 mg supplemental xanthophyll from 4% marigold and 4% orange skin respectively. The yolk color scores were found to the 8.2 and for those groups.
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