Lutein-enriched egg production for laying hens

Dietary lutein has received considerable attention in relation to human health because of its preventative effects on various eye diseases. Eggs are considered a good source due to good accumulation and relatively high concentrations of lutein. Therefore, many studies have been conducted to produce lutein-enriched eggs by various dietary regimens. Previous studies reported that purified lutein supplements, at the inclusion levels of up to 1,000...