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The struggle to control parasites
Why the drugs used to treat parasites may not be so effective in the future
Why the drugs used to treat parasites may not be so effective in the future. In some parts of the world farmers are finding that the drugs used to control parasites in their livestock are not working as effectively as they once did. Also in the programme, the life of larvae and why stripping off the sugar coating may be the only pill we need.
大象传媒 World Service Archive
This programme was restored as part of the World Service archive project
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Discovery
Explorations in the world of science.