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Reply To: Guinness Beer for heartworm prevention?

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Michael D
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UPDATE: Here we are 10 years later Jojo is still heatworm free. I lost Bonnie 11yrs old (pitbull) & Bella (Great Dane) 10 yrs old, this year. They were both heartworm free along with Scooter (Shih Tzu) & Lucy (stray from Ennis TX). I live in the Piney woods of east Texas now. Back in October another stray showed up, I named him Buddy he’s some kind of hound mix. I’ll keep you posted on his heartworm status. I’ve only been using Guinness for hearworm prevention since 2015 when Jojo tested positive. I wish I could find the original article I had found when I first heard about using Guinness. A co-worker had told me about it, and I had thought it was total bullshit, yet here we are 10 yrs later with 6 dogs, no heartworms and no scientific proof.