I like/use Seresto collars, but now change them every 6 mo. instead of the advertised 8 mo. I'll ask my brother which is his favorite, he's a vet. Maybe Shawn will weigh in with his opinion--don't know if Lyme disease is a big problem out west.(yet)
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"How kind it is that most of us will never know when we have fired our last shot"--Nash Buckingham
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