The specifictransfer factor(TF) is extracted from spleen of canine that have been immunized with attenuated canine distemper vaccine(CDV).
本试验用犬瘟热弱毒苗免疫的犬,提取了特异性犬脾转移因子(TF) 。
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Conclusion: the method is simple and stable, whose product of the specifictransfer factor of HBV met the quality standard with specific immune activity to HBV-antigen.
Specifictransfer factor of subtype H5N1 avian influenza virus which has significant synergistic effect to avian viral inactivation vaccine and the effect is better by mouth than by injection.