Appearance is one of the most important attributes affecting consumer
choice, ranking along-side freshness. Adding naturally-occurring
carotenoid pigments to feed thus has cosmetic effect, but, Argue Remi
Baker and Christoph Gûnther, they also benefit animals and have
carry over effects to human health.
This article can also be found at Feed Mix, volume 13, no. 2
FM_13.2_5.pdf