This South African parasite spread through abalone farms in California in the 1980s until it was identified in 1993. After it was found that black turban snails were hosts, 1.5 million of these were manually extracted by volunteers.
This South African parasite spread through abalone farms in California in the 1980s until it was identified in 1993. After it was found that black turban snails were hosts, 1.5 million of these were manually extracted by volunteers.
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