Abstract:With the development of green and healthy livestock production technology,natural plant extracts are gradually widely used as a new and efficient feed additive by farmers.Astragalus polysaccharide,one of the active substances of Astragalus membranaceus,possess a wide range of biological functions,including immune regulation,anti-oxidation,metabolism,antiviral,anti-tumor,antibacterial,anti-inflammatory,proliferation of bacteria,improvement of blood sugar,and liver protection.Meanwhile,it has a broad application prospect in sheep breeding and production.In this paper,the biological function of Astragalus polysaccharide,its application in sheep breeding and its points for attention in feed application were systematically reviewed,in order to provide certain reference value for the development and utilization of new green feed additives for livestock and poultry.
