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Re: Deformed Fry



      I would increase the water changes.

    I change my growout tanks at least 50% 3 times a week, of course
it all depends on how heavy you feed.   I think I am really slacking
when I only make 2 changes a week.



Matt

----- Original Message ----- 
From: "Alan Whitten" <caw18@bak.rr.com>
To: <apisto@v2.listbox.com>
Sent: Monday, November 24, 2003 12:56 PM
Subject: Deformed Fry


> My Rotpucts have been breeding like convicts as of late, and I am
> starting to deal with a large number of fry for the first time.  I
have
> notieced that I have quite a few deformed fry.  They all have the
> same deformation of: stunted growth, a bent spine, and a lack of
> any kind of swim bladder control.  The fry just scoot along the
> bottom after food.  The fry have never exibited normal swimming
> behavior.
>
> Not all my fry have been effected by the deformation, but it seems
> that entire spawnings are effected.  My most recient spawn appears
> to be swimming normally, where other spawns from the same fish
have
> produced deformed fry.
>
> The grow out tanks get a 50% water change at least once every two
> weeks.
>
> I don't know if the breeding pair I have are related, but I
suspect that
> they are.  The only think I have ever treated the tanks with is
Macryel
> for blue-green algae, but that was months ago.
>
> Would any of y'all venture a guess as to why I have had entire
> batches of fry with the same deformation?
>
> Thanks,
> C. Alan
>
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