More than 100 cows have been reported to have died in villages in Muzaffarnagar district over two days following which an inquiry has been ordered, officials said.
The cows died in pastures and were suspected to have either eaten poisonous grass or consumed polluted water, sub divisional magistrate Vijay Kumar said.
He said an inquiry has been ordered into the incident and a team of the revenue department and veterinarians have gone to the areas where the deaths occurred.
The cows were brought to the pastures from shelter homes.