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Reply #11: I know prions take a long time to manifest as disease [View All]

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Warpy Donating Member (1000+ posts) Send PM | Profile | Ignore Thu Mar-16-06 09:43 AM
Response to Reply #6
11. I know prions take a long time to manifest as disease
but until disease is manifested, the load in muscle tissue is negligible. Yes, we're missing all the other cattle on that feed lot who have been infected, but they're only there for a few weeks, not enough time for prion disease to disseminate through all nerve tissue, much less muscle tissue.

Most neurologists go through careers never seeing the human equivalent, Creutzfeld-Jakob disease. I've seen three cases in 40 years. It is incredibly rare.

The best thing we can do is minimize the problem. When a cow/steer starts showing symptoms, you can bet the brain and spinal cord are affected and infective and quite probably the meat is, also. Eliminating meat and blood from other downer animals from the feed system is essential to reduce transmission. Nothing is going to stop it completely, though, and only culling downer animals of all species and removing them from the food supply will slow it down.

You can burn prions to ashes and they'll still be infective. You can compost them for years and they'll still be infective. They are incredibly stable. That's what is scariest about the prion theory of spongiform encephalitis. One of the few things you can do to destroy them is thermal depolymerization, an under utilized technology in a lot of areas.

I don't eat meat because I don't particularly like it. However, if I did crave it, I'd go with the statistics. V-CJD is a very scary disease, and once you've seen a case in a human, you'll never forget it. However, it remains one of the rarest of the rare diseases out there.
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  -No more ox tail? Mad cow problem HamdenRice  Mar-15-06 02:34 PM   #0 
  - I have altered my purchasing somewhat  The empressof all   Mar-15-06 02:57 PM   #1 
  - *I* have stopped using beef that come from herds that I can't trust.  politicat   Mar-15-06 03:10 PM   #2 
  - Have you found organic lamb locally?  eleny   Mar-15-06 11:44 PM   #9 
  - Solid cuts of muscle meat are probably reasonably safe  Warpy   Mar-16-06 05:05 PM   #17 
  - You are more likely to hit the lottery or be struck by lightning  Warpy   Mar-15-06 04:07 PM   #3 
  - E coli + listeria + hormones+ antibiotics + labor practices +  politicat   Mar-15-06 09:02 PM   #4 
  - Pork and chicken are scarier.  Warpy   Mar-15-06 09:10 PM   #5 
     - I'm not a "morality" vegetarian, either. But I am gradually becoming  kestrel91316   Mar-15-06 10:03 PM   #7 
     - Here are the laws on poultry and pork:  politicat   Mar-15-06 11:25 PM   #8 
        - First, thanks for going organic!  Warpy   Mar-16-06 10:00 AM   #12 
        - We've always been organic.  politicat   Mar-16-06 04:40 PM   #16 
        - LOL: "I eat chickens out of a sense of revenge - they're mean "  HamdenRice   Mar-21-06 02:21 PM   #30 
        - awwww....our pet chickens were GREAT!  Shakespeare   Mar-21-06 04:01 PM   #31 
  - Ahem (tapping Warpy on shoulder).......  kestrel91316   Mar-15-06 10:01 PM   #6 
     - I know prions take a long time to manifest as disease  Warpy   Mar-16-06 09:43 AM   #11 
        - My husband's aunt passed away from CJD in 1993  livetohike   Mar-16-06 11:12 AM   #13 
        - I have a sneaky suspicion  SoCalDem   Mar-16-06 12:58 PM   #14 
           - Good points  livetohike   Mar-16-06 02:47 PM   #15 
           - there was a cluster of CJD here in NJ, and a woman made connection  bettyellen   Mar-16-06 05:41 PM   #18 
           - Both my parents were heavy meat eaters who felt deprived  Warpy   Mar-16-06 05:44 PM   #19 
              - My grandparents too (born in 1889 & 1886)  SoCalDem   Mar-16-06 06:19 PM   #20 
        - Wow, are you a neurologist?  kestrel91316   Mar-16-06 09:33 PM   #21 
        - No, but most of my experience has been split  Warpy   Mar-16-06 10:37 PM   #23 
           - What scares me is that we vets all have such a blase attitude  kestrel91316   Mar-17-06 09:06 PM   #25 
        - Oh, BTW, have you heard about the variant of BSE they found  kestrel91316   Mar-16-06 09:37 PM   #22 
           - No, I hadn't heard about that  Warpy   Mar-16-06 11:14 PM   #24 
           - I'm betting on the kitty and man being infected by a common source:  kestrel91316   Mar-17-06 09:10 PM   #26 
           - when you keep in mind that alzheimers is only 100% diagnosed through  bettyellen   Mar-18-06 02:25 PM   #27 
              - Actually, the signs of late stage Alzheimer's are pretty obvious  Warpy   Mar-19-06 01:28 AM   #28 
                 - you mean when it's waaay too late to treat?  bettyellen   Mar-20-06 05:20 PM   #29 
  - um..NECK - "northern" continuation of spinal cord  SoCalDem   Mar-16-06 01:20 AM   #10 

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