Research Progress of Biological Feed in Beef Cattle

Biological feed is a product developed through bioengineering technologies such as fermentation engineering, enzyme protein and genetic engineering. It possesses functional characteristics of high nutritional value good palatability that can improve utilization, replace antibiotics, enhance the health level livestock poultry, quality products, promote better breeding environment. A comprehensive review provided on types biological feed, their mechanism action, fermenting strains, raw material resources, current status in animal production to facilitate in-depth research development applications.