Aquaponics Digest - Sat 05/01/99
Message 1: Re: strep
from "vpage"
Message 2: Re: strep
from KLOTTTRUE
Message 3: Re: strep
from "vpage"
Message 4: Re: strep
from KLOTTTRUE
Message 5: Re: strep
from KLOTTTRUE
Message 6: Re: strep
from "TGTX"
Message 7: RE: strep
from "Ronald W. Brooks"
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Subject: Re: strep
From: "vpage"
Date: Sat, 1 May 1999 14:43:54 -0600
Two questions to the esteemed list.
Other than toxic chemicals are there management suggestions for tilapia with
strep?
What are the effects of pottasium permanganate?
Thanks
VPage
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| Message 2 |
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Subject: Re: strep
From: KLOTTTRUE
Date: Sat, 1 May 1999 16:50:31 EDT
In a message dated 5/1/99 4:45:38 PM Eastern Daylight Time, vpage@nucleus.com
writes:
<<
Other than toxic chemicals are there management suggestions for tilapia with
strep?
What are the effects of pottasium permanganate?
Thanks
VPage
>>
What are you calling strep? Can you describe the symptoms. Ken
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Subject: Re: strep
From: "vpage"
Date: Sat, 1 May 1999 14:54:52 -0600
Bug eyes,weak,die if stressed,scale loss,bleed through scale loss
sites,unintact looking fins
VPage
-----Original Message-----
From: KLOTTTRUE
To: aquaponics@townsqr.com
Date: Saturday, May 01, 1999 2:50 PM
Subject: Re: strep
>In a message dated 5/1/99 4:45:38 PM Eastern Daylight Time,
vpage@nucleus.com
>writes:
>
><<
> Other than toxic chemicals are there management suggestions for tilapia
with
> strep?
> What are the effects of pottasium permanganate?
> Thanks
> VPage
> >>
>What are you calling strep? Can you describe the symptoms. Ken
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| Message 4 |
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Subject: Re: strep
From: KLOTTTRUE
Date: Sat, 1 May 1999 17:09:33 EDT
In a message dated 5/1/99 5:02:09 PM Eastern Daylight Time, vpage@nucleus.com
writes:
<<
Bug eyes,weak,die if stressed,scale loss,bleed through scale loss
sites,unintact looking fins
>>
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| Message 5 |
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Subject: Re: strep
From: KLOTTTRUE
Date: Sat, 1 May 1999 17:24:56 EDT
In a message dated 5/1/99 5:02:09 PM Eastern Daylight Time, vpage@nucleus.com
writes:
<<
Bug eyes,weak,die if stressed,scale loss,bleed through scale loss
sites,unintact looking fins
>>
Hi Victoria,Sounds a lot like what was wrong with my fish,bleeding,ich,fin
and tail rot,gill disease, cloudy eyes,I added 1 teaspoon of aquarium salt
per 10 gallons of water,and used an anti-biotic called Maracyn Two for a
week,the condition improved,but then they developed True Fungus,I then
switched to Maracyn for another five days and they healed up,I used 1 tablet
per 10 gallons,it is supposed to be harmless to Nitrobacter and
Nitrosomonas,it cost about 10 dollars for 24 tablets,I don't know if this the
most efficient way to treat them but it worked for methey also make several
prevention products,the companys name is Mardel Laboratories,Inc. 1958
Brandon court Glendale Heights,IL.60139 Hope this helps Ken
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| Message 6 |
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Subject: Re: strep
From: "TGTX"
Date: Sat, 1 May 1999 06:05:33 -0500
Hi folks.
Hi vpage. Hi Mr. Kenmeister...
If you are just starting out and the fish are small enough or few enough to
transfer and treat with a hydrogen peroxide dip, then perhaps you could try
that- although if they are in that "bad a shape", the stress of netting and
doing a H202 dip may finish them off..... The culture water, though,
undoubtably has the bug that is bugging your fish, so, I might suggest
laying off the feed and letting the biofilter clean up the suspended solids
and let the beneficial heterotrophic microorganisms on the biofilter surface
to eat up and beat up and out compete the pathogens for a while...this is
tricky, because if the disease...whatever it may be...has taken hold to the
degree that most of the fish are in really bad shape, then laying off the
feed for too long can weaken them to the point that they will end up "Eating
the Big Chalupa" as we say around here.
An H2O2 dip at 250 to 500 ppm for 20 minutes or so, for live fish, is a
pretty good prophylatic and pretty good for existing epizootics (eg.,
external problems such as Saprolegnia- a very common opportunistic aquatic
fungus) - but it does little for systemic bacterial septicemia or similar
problems. I like H2O2 because there is no residual problems to concern
oneself with. If you choose to do the H2O2 dip, remember that 1% is equal
to 10,000 ppm, so do your dilution math properly and do this in a big tub of
fresh water- not culture water. I would suggest using potable water..yes
drinking water which has 0.5 to 1 ppm or so of residual chlorine from the
drinking water treatment plant, then add the fish, then add the little bit
of H2O2. Hold them there and watch them and care for them with plenty of
oxygen to help them deal with this.
vpage, we all hope you can get your problem solved and we are rooting for
you.
Ted.
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| Message 7 |
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Subject: RE: strep
From: "Ronald W. Brooks"
Date: Sat, 1 May 1999 22:25:44 -0400
-> <<
-> Bug eyes,weak,die if stressed,scale loss,bleed through scale loss
-> sites,unintact looking fins
-> >>
Victoria from the HAMES Database
1) Bug Eyes -
Pop-eye or exophthalmos* is an physical sign that is unusual in Tilapia
cultured in Hawaii. Some causes include nitrogen gas super saturation
(gas bubble disease), physical trauma and infection of an eye, cancer
within the eye or in tissues behind the eye, or a infection involving the
caudal kidney. If the pop-eyed condition affects only one eye trauma/
localized infection or a tumor should be expected. If the condition is
found in both eyes gas super saturation or kidney infection is more likely.
Check the membranes around the eyes and the thin membranes between the rays
or the fins for gas bubbles. If gas bubbles are present gas bubble disease
is present. For details on gas super saturation and gas bubble disease refer
to the Environmental Section/Gas Supersaturation in the Information Module.
If no bubbles are found HAMES recommends that you call your disease
specialist for assistance with this problem.
2) Scale loss & bleeding from site of scale loss & Frayed or unintact fins
- bacterial infection
-
Frayed or missing fins in Tilapia cultured in Hawaii has been associated
with the following factors:
1) monogenetic trematode infection
2) trauma associated with handling or
overcrowding
3) poor water quality conditions.
HAMES recommends that you proceed to the Microscopy Section and examine skin
scrapings for monogenetic trematodes. If none are found go to the Water
Analysis Section in this Module for evaluation of the following
environmental parameters:
1) low dissolved oxygen (water hypoxia)
2) elevated ammonia, nitrite
If these evaluations do not provide a plausible explanation for the frayed
fins contact your extension agent or disease specialist for assistance on
finding the cause for this problem.
3) weak and die easily due to stress - a combination of the above
You are going to have to isolate and treat the cause plus treat the
bacterial infection with an antibiotic . Reduce feed and increase temp and
D.O.. I would also decrease the light and try to keep them quit
Ron
The One Who Walks Two Paths
S&S Aqua Farm, 8386 County Road 8820, West Plains, MO 65775 417-256-5124
Web page http://www.townsqr.com/snsaqua/
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