Lutein: A valuable additive in broiler diets

Lutein is not only a colouring agent in poultry products but also contributes to the regulation of the mucosal barrier function and inflammatory responses of broilers. Broilers are frequently exposed to various immunological stresses, which lead to intestinal damage, weakened immunity, and growth retardation. In large-scale farming, many factors such as vaccination, drugs, stocking density and temperature can affect the immunologic status of birds and trigger immune responses directly or indi