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Prevalence, intensity and abundance of protostrongylid larvae in snails and slugs were studied on 10 sheep and goat pastures in the region of Stara Zagora, Southern Bulgaria, in 2001. Eight gastropod species were infected: Helicella obvia, Cernuella virgata, Monacha cartusiana, Zebrina detrita, Cepaea vindobonensis, Chondrula microtraga, Helix pomatia and Deroceras reticulatum. Four nematode species...
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