4. Discussion
Marigold (Tagetes erecta L.) was reported to be a good source
of xanthophylls [6, 7] and used for pigmentation of the egg
yolks and poultry skin [12, 13]. Recently, it was shown that
inclusion of 40 g kg−1 of marigold flour in the diet of laying
pullets did not reduce external quality of eggs and there
were no effects on body weight, hen day egg production,
egg weight, or feed conversion rate [14]. The findings of
the present study on body weight, hen egg production, and
feed consumption are in agreement with those reported in