I don't believe that Thai breeders will not give you myco bacteria. I have been told some pet fish start off shipping from Thailand. My local petco gets fish from San diego (I had the bill in my hand) that individual is probably is just a transhipper. Unfortunately, I didn't l know at the time to take down the name. I asked where they came from because I read fishkeepers can get this and I did not yet know what it did to fish to scale I do now. I reas this:
Prevention:
There is not a 100% proven way to prevent Aquarium Fish Tuberculosis (as with most pathogens), however based on my own observations going back to 1977 (working at a Pet Store Fish department and then my aquarium maintenance company), I definitely noticed patterns. Emails from customers and questions I see asked in forums and elsewhere have added to this same pattern.
One pattern is what I noted earlier and that is Bettas and Gouramis have a higher incidence of both suspected and proven cases of
Mycobacterium marinum Tuberculosis infections.
I also noted that certain vendors (wholesale suppliers) would have a higher incidence of TB infected fish, so avoiding the purchase of fish from places that you have suspected TB on numerous occasions may also be helpful;
this said, do NOT write off a retailer or vendor based on 1 or 2 suspicions of Fish TB, as it may have been another disease pathogen, as well frankly no vendor/retailer is perfect!.
Also be careful with Betta shows or similar, as I believe that this is both a major stressor AND infection point. As for procedure you can do to prevent Fish TB infections; there are many.
The most obvious is as stress free an aquatic environment as possible since stress due to many factors seems to be a major factor based on my work and research. This includes stress from water conditions and tank mates.
Changing water regularly, maintaining
a stable pH & KH, near 0 ammonia (NH3) and nitrites, a
balanced Redox and ESSENTIAL aquarium positive mineral ions.
It came from here:
http://www.aquarium-pond-answers.com...erculosis.html
There are many good articles on fish
disease with some good advice although abiet I have spotted a few errors like adding salt to a bath for fish with dropsy. Salt is the last thing any being with likely kidney
disease is needing.