Effects of Angelica gigas Nakai on the production of decursin- and decursinol angelate-enriched eggs.

Background: The livestock industry requires high-quality products, as well as improved productivity. There have been many studies regarding the utilization of feed additives aiming to increase productivity, enhance immune functions and prevent infectious diseases in livestock. Biofunctional feed additives would be beneficial not only for animal health, but also for consumers.