My Talk/presentation on Fish TB disease - Page 2 - El Natural - Aquatic Plant Central

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El Natural Diana Walstad's low-maintenance, soil-based 'El Natural' method for keeping plants and fish.

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Old 01-23-2008, 08:27 PM   #11 (permalink)
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Default Re: My Talk/presentation on Fish TB disease

Diana e-mailed me her article. You can download it from here:
http://thegab.org/Articles/WalstadMyco_APC.pdf
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Old 01-23-2008, 11:46 PM   #12 (permalink)
 
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Default Re: My Talk/presentation on Fish TB disease

Thank you very much to you and Diana !

That's very interesting. The mecanism seems to be very similar to some human mycosis, that happen because our usual bacterian flora becomes unbalanced. This can happen for example when saprophytic bacteria are killed by disinfectants... then pathogenic organisms as Candida can develop and we get mycosis.

Ultra-cleaned environments are not healthy, even if it can be surprising !!

It's very useful too, to know that UV filters can kill these bacteria, and that they mainly stay in the cleaned water more than in filters where other bacteria keep them low. So when we can, we'd better use UV filters instead of general disinfectants for our tanks, sometimes : this could prevent the selection and development of mycobacteria. Or maybe filter on UV after a treatment, to put all bacteria to the same number again ?
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Old 01-25-2008, 02:22 PM   #13 (permalink)
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Default Re: My Talk/presentation on Fish TB disease

Quote:
Originally Posted by modster View Post
sounds like an interesting talk. I wish i am close enough. Anyways, I have a question that I have always wanted ask. Can inverts, like shrimps and snails, carry fish TB? I know i sound very silly but i am just curious.
Not silly at all. Scientists have been struggling with your question for decades. No definitive answer. Yes, snails eat mycobacteria and live mycobacteria pass into the feces. Yes, infected daphnia transmit disease to fish that eat them. Yes, amoebae are a long-term (years) environmental reservoir.

But it doesn't sound like these fish pathogens set up long-term infections in snails and other invertebrates. I suspect that chronically infected fish are the main carriers of infectious mycobacteria. This is what aquarium hobbyists need to guard against.
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Old 02-09-2008, 02:08 PM   #14 (permalink)
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Default Re: My Talk/presentation on Fish TB disease

Diana sent me the pictures for her article. The article with her pics included is here:
http://thegab.org/Articles/WalstadMyco_APC1.pdf
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