recovery of fascioloides magna (digenea) population in spite of treatment programme? screening of galba truncatula (gastropoda, lymnaeidae) from lower austria.during the past decade, fascioloides magna, the large american liver fluke, has spread within free-living deer in wetlands of the danube in lower austria. the aim of this study was to determine the current infection rates with f. magna and other digenean parasites in the intermediate host snail galba truncatula from risk areas in lower austria. a total of 3444 g. truncatula were collected and examined microscopically for the presence of digenean trematodes. a set of randomly selected snails and ...201222381476
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