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DNAs of Trichinella dog isolate (HC), Trichinella swine isolate (HH) and Trichinella cat isolate (SW), obtained from Heilongjiang Province, were amplified by the fragments of 18S rDNA and ITS2. Two reference strains, Trichinella spiralis (ISS3) and Trichinella nativa (ISS10) were used for sequence comparison. Sequence and dendrogram analysis indicated that HC belonged to T. nativa and HH together...
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