Re: [RML] Ulcers

Bruce Hansen (bhansen at ozemail.com.au)
Tue, 9 Dec 1997 18:05:39 +1000

----------
> From: caryho at ix.netcom.com
> To: rainbowfish at pcug.org.au
> Subject: Re: [RML] Ulcers
> Date: Tuesday, 9 December 1997 11:10
>
> In The Dawn of the Third Age "Simon, Dan" <dan.simon at attws.com> woke
> me from my contemplation by writing:
>
> >If you get them into remission, can you then breed them ? If so, wont
> >the ulcer condition be passed on to the fry ?
> >
>
> You can breed them when they have the condition. It is not believed to
> be passed on to the fry through the eggs. But still there is really
> little hard proof for anything involving ulcers, TB, or Rainbowfish
> disease. I was told and shown by a speaker on fish diseases that a
> fish truly infected with TB will have small gray nodules in the liver.

IMO the nodules or granulomas don't have to be in the liver -

> I haven't had occasion to dissect one yet, but plan to should any fish
> die of suspected TB. Some folks feel that all rainbows actually carry
> it, but it will not show it self until the fish become stressed. Other
> folks are sure that what causes ulcers is totally unrelated to TB in
> many cases.

All that ulcerates need not necessarily be TB but probably should be
considered to be so until proved otherwise :-(
Another commonly touted causative organism is Aeromonas and there are more
than one of them too.

Cheers

Bruce