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Mad Fish Disease

Researchers raise concerns about the feeding of cow brains to farmed fish.

October 19, 2010 |
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Antibiotics aren’t the only dangerous thing agribusiness feeds to farm animals. We used to feed cow brains to pigs and chickens until last year, when Obama’s FDA banned the feeding of cow brains to most other farm animals. Though it should have been a, “no-brainer,” it took 12 years to take that step, and still doesn’t go as far as Europe, which bans the feeding of all cow parts to all animals, including fish. Last summer a group of neurologists raised the concern that by feeding cow brains to farmed fish, the consumption of farmed fish may provide a means of transmission of infectious prions from mad cows to humans.
That was in June. It was all just theoretical, though… until July… Researchers in Greece fed infected mad cow brains to fish to see what would happen… And though the fish appeared fine, you could see the disease building up in their systems. The neurodegeneration and abnormal deposition in the brains of fish challenged with prion, especially BSE—mad cow disease, raises concerns about the potential risk to public health. The prospect of farmed fish being contaminated with infectious prions, or developing their own prion disease is alarming.
This is just for farmed fish, though. Wild fish don’t tend to eat cows.

To see any graphs, charts, graphics, images, and quotes to which Dr. Greger may be referring watch the above video. This is just an approximation of the audio contributed by veganmontreal.

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Dr. Michael Greger

Doctor's Note

Please feel free to post any ask-the-doctor type questions here in the comments section and I’d be happy to try to answer them. And check out the other videos on fish. Also, there are 1,686 other subjects covered in the rest of my videos--please feel free to explore them as well!

For more context, check out my blog post: When a Scraped Knee May Once Again Kill.

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  • http://nutritionfacts.org/members/mgreger/ Michael Greger M.D.

    Please feel free to post any ask-the-doctor type questions here in the comments section and I’d be happy to try to answer them. And check out the other videos on fish. Also, there are 1,449 other subjects covered in the rest of my videos–please feel free to explore them as well!

  • Geoffrey Levens

    Yet another great reason to boycott agri-business!