Conclusion Dot-blot hybridization with DIG-labelled TTV DNA probe can be employed to detect TTV DNA in sera samples containing relatively high titer virus,with a sensitivity lower than that of PCR.

• 结论以地高辛标记的TTV探针用于斑点杂交可以检出血清病毒滴度较高的TTV，其敏感度低于PCR方法。