Municipal Agricultural Service Boards in Alberta are collaborating with the government to manage a severe Richardson's Ground Squirrel infestation using a temporary Emergency Use Registration for 2% liquid strychnine until November 2027. Access is limited to trained producers and is regulated to minimize risks to non-target species and ensure responsible land stewardship.
PMRA Denies Emergency Use of Strychnine for Ground Squirrel Control
On February 2, 2026, the PMRA denied the emergency registration of 2% liquid strychnine for controlling Richardson’s ground squirrels in Alberta and Saskatchewan, citing risks to non-target species. This disappointed agricultural leaders, who argue that strychnine is safe and effective, and they urge the government to reconsider the decision to alleviate economic burdens.

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