Recruitment of Digenetic Trematodes Using Caged Snails

Abstract
Caged, laboratory-reared snails of 2 spp. (Physa gyrina and Lymnaea stagnalis appressa) recruited 5 spp. of digenetic trematodes [Gigantobilharzia huronensis, Schistosomatium douthitti, a notocotylid, an echinostome and a xiphidocercaria] in a natural stream habitat in Michigan [USA] from May through Oct., 1977. Temporal and spatial differences were observed in the infection rates of the 2 gastropod species. This information may be useful in the control of snail intermediate host of medically [human] important flukes.

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