The medical fungi was used in the farming was reported in the paper,the result showed: the medical fungi fermentation substances,was added to the AA broiler feedstuff,could enhance production and immunity performance.After the substances were fed 30 days old,the broiler of the experiment 1 and 2 groups were separately enhanced 174g and 58g(10.3% and 3.5%)than the control group,and the serum antibody titers of AI-H5 subtype were enhanced 1.9 and 3.2.The experiment result could provide the base and evidence f...