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While Lt. Larry Hanson explains how the Minnesota Department of Natural Resources uses dogs to find invasive zebra mussels, his rescue dog Digger plays with a ball that was the dog’s reward for finding the zebra mussels hidden on a boat trailer Tuesday during a news conference and demonstration at Fort Snelling State Park. (Jennifer Simonson / Minnesota Public Radio)

Minnesota DNR using dogs to detect zebra mussels

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They’ve already been searching for guns, explosives, bodies, suspects, illegal fruit and even toxic mercury. Now, add zebra mussels to the list of targets law enforcement dogs are being trained to detect.


The Minnesota Department of Natural Resources said Tuesday it has added three new K-9 officers to its law enforcement staff, all trained to sniff out zebra mussels that might be hiding aboard boats, trailers or other outdoors equipment that has recently been in the water.

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