survey of spirometra erinaceieuropaei spargana infection in the frog rana nigromaculata of the hunan province of china.the prevalence of spargana infection in frogs (rana nigromaculata) was investigated in china's central hunan province, from march 2007 to october 2009. 59 of 292 (20.2%) wild-caught frogs were found to be infected with plerocercoids (spargana) of the genus spirometra. spargana were recovered from the skeletal muscle of the hind limb. the infection rate ranged from 4.5% to 27.4%, and the infection intensity was 1-15 spargana per frog. to identify the species identity of the collected spargana, a ...201020609520
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