Curcumin, a kind of yellow pigment, is extracted from the roots of turmeric, which has the effects of antioxidation, anti?inflammatory and hypolipidemic, et al. As a feed additive with natural ingredients, cur?cumin has bright application prospect in animal industry. It can enhance livestock' s performance, improve pro?duction quality and strengthen immunity. This paper aimed to illustrate the physiological functions and mecha?nism of curcumin and reviewed the latest research findings on the application in livestock and poultry produc?tio...