Abstract:

To study the protective effect of Venenum Bufonis injection on Marek's disease viruses vaccine, by Venenum Bufonis injection influence the proliferation rate of T cells, explain its effects on cellular immunity; by Venenum Bufonis injection influence the proliferation rate of B cells, explain its effects on humoral immunity; by Venenum Bufonis injection influence the Leukocytes quantity, explain its effects on nonspecific immunity; by Venenum Bufonis injection influence the macrophages ' phagocytosis, explain its effects on specific immunity and nonspecific immunity; by Venenum Bufonis injection influence the activity of super oxide dismutase, explain its antioxidant action or improve super oxide action as modifier, when combine Venenum Bufonis injection and Marek's disease viruses vaccine; by Venenum Bufonis injection influence the chickling antibody titer, explain its potentiation on Marek's disease diruses vaccine makes antibodies; by Venenum Bufonis injection influence the Immune organs index, explain its effects on promotion of immune organ growth.