【摘要】 用猪传染性胃肠炎弱毒疫苗分两次接种猪，取其脾脏制备特异性猪传染性胃肠炎转移因子（ＴＧＥ－ＴＦ）。生化试验结果表明，ＴＥＧ－ＴＦ是由核苷酸、多肽组成的小分子物质，能非特异性地增强小鼠吞噬细胞的吞噬功能。更多还原

【Abstract】 The transfer factor (TF)was made from spleen of the swine which were vaccinated twice with transmissible gastroenteritis(TGE) vaccine The biochemical and immunological analysis showed that TGE-TF consisted of nucleotide and peptide, and it rose the ability of phagocytosis of macrophage in mouse更多还原