The specific transferfactor(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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Canine Spleen-Transferfactor (CS-TF) is a kind of specific lymphocytic factor extracted from canine spleen. It's physicochemical properties are similar to those of other transfer factors (TF).