The Seresto collar developed by drug giant Bayer is at the center of an absolutely massive pile of reports suggesting that it can be dangerous or even deadly to cats and dogs. The collars ...
The Seresto Flea and Tick Treatment and Prevention ... keeps pests from making your dog their home. We like this collar for large dogs because the largest size can fit necks up to 26 inches ...
The emails revealed significant internal strife within the agency regarding the pet collars, with staff scientists and incident coordinators repeatedly urging managers to take action on Seresto.