Dozens of cows from Northern Colorado ranches have gone missing and are presumed to be stolen. The cattle have largely gone missing from ranches in Weld County, around the Greeley area.

Three cattleman in Northern Colorado confirmed to CBS News Colorado that they are among the many who have noticed their herd has missing cows of late. Now, law enforcement at the local and state levels are investigating.

CBS

Chad Sanger, owner of Turnkey Cattle Company, invited CBS News Colorado to his property where he spoke about how he noticed something was wrong.

"The first week of October we always precondition our calves," Sanger said, explaining that his calves needed immunizations.

He said all of his herd was accounted for when he administered the first dose of immunizations. However, there is

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