In 2017 I had a coworker that told me he used a pea size amount of horse dewormer for his dog. Said his vet turned him onto it. Just don't use it with collies a

In 2017 I had a coworker that told me he used a pea size amount of horse dewormer for his dog. Said his vet turned him onto it. Just don't use it with collies and other similar breeds.