High efficiency fat digestion and absorption promoter, it was widely used in Poultry and Aquatic animals . Runeng is a patent product of Longchang Company, its main ingredient is 30% mixed bile acid—main active ingredient of bile. In the hepatoenteral circulation, while fat was emulsified, bile acid compounded with fatty acid to form the lipid-soluble complex, which made fat be digested and absorbed.with Runeng, the fat absorption can be improved 15%, effectively protect liver and gallbladder health.