Carotenoids in breeders as antioxidant and for immunomodulatory protection in chicksThe use of carotenoids for yolk, skin and leg pigmentation is a common practice in poultry production. Lutein and zeaxanthin are naturally present in many feedstuffs like alfalfa or corn and are the main carotenoids naturally present in the yolk (>80%). That is why they are also supplemented as feed supplements in diets lacking suitable levels. Other natural (capsanthin) and synthetic (cantaxanthin o ethyl ester of beta-apo-8′-carotenoic acid) carotenoids can also be supplemented. In addition to their pigmentation abilities, carotenoids are also involved in important biological functions of the animal. Read full article:
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