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Oysters from Prince Edward Island are displayed in a Toronto market.

REUTERS/Chris Helgren

HARD NUMBERS: Killer oyster parasite spreads, Canada offers tariff relief, Small batch opioid precursors pose big problem, Moscow says “no” to new US-Russia nuclear treaty

95: An oyster parasite with a kill rate of up to 95% is spreading fast on Prince Edward Island, putting the lucrative industry at risk. Canadian food inspectors say the culprit – called “multinucleate sphere X” or “MSX” – has no effect on humans who eat contaminated oysters, but it shortens the mollusks’ lifespan. Oyster exports are PEI’s third most lucrative industry, bringing in about $24 million annually. Lobsters are in first, at nearly $300 million.

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