The European Union is preparing a proposal to impose export restrictions on all eel species under an international agreement regulating trade in endangered species, EU sources said Wednesday -- a move that could affect supplies to Japan, which has relied heavily on imports.The proposal, if approved at the conference of the parties to the Washington Convention to be held in Uzbekistan later this year, would place Japanese eel for consumption, among other species, on the list requiring an export permit issued by the exporting country, the sources said.The European eel has already been subject…READ FULL ARTICLE