Aquaponics Digest - Thu 01/27/00
Message 1: ATTRA resources and The Duckweed Clearinghouse home page
from S & S Aqua Farm
Message 2: Re: Crayfish in tanks.
from wills/nachreiner
Message 3: Prawn Farms
from Vik Olliver
Message 4: Duckweed
from Peggy & Emmett
Message 5: unsubscribe
from NIck
Message 6: Greenhouse Coverings
from Marc & Marcy
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| Message 1 |
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Subject: ATTRA resources and The Duckweed Clearinghouse home page
From: S & S Aqua Farm
Date: Thu, 27 Jan 2000 08:34:05 -0600
I'd sent a message to Steve Diver at ATTRA regarding the above home page and
received this response:
>
>Yes I found that Duckweed page a long time ago, and I
>have it listed as a resource on my permaculture page, but
>now it is gone. I did a quick search on AltaVista but could
>not find a current site. That duckweed page was very good.
>I'm guessing it is still available but under a new web address.
Anyone have any more current information on where this site has gone?
Also, Steve had these comments:
>Fyi, the aquaponics publication I finished is at the publisher's desk
>being formatted. It should be available to send out by mail in 2
>weeks. It will also go on the ATTRA web page, but the web version
>will take a few more weeks since we have so many items on a waiting
>list for the web page. It comes at a good time, we also just
>updated the Organic Greenhouse Veggie Prod publication, and a new
>resource list on web links for greenhouse and hydroponic vegetable
>production. All these together, plus the long list of related
>greenhouse resources we've compiled in the past few years, lend
>support to farmers working towards sustainable-organic greenhouse
>production.
For those in the US, ATTRA is a wonderful source location for all topics
relating to ag production subjects (and probably many others). They are a
NFP funded by a combination of private and public funds, and their services
are available at no charge.
Their contact info is:
ppropriate Technology Transfer for Rural Areas (ATTRA)
Fayetteville, AR
http://www.attra.org
800-346-9140
"Steve Diver"
askattra@ncatark.uark.edu
Let us now if anyone has that duckweed info, please.
Paula Speraneo
S&S Aqua Farm, http://www.townsqr.com/snsaqua/
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| Message 2 |
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Subject: Re: Crayfish in tanks.
From: wills/nachreiner
Date: Thu, 27 Jan 2000 11:34:29 -0600
We sometimes have old/ slightly moldy cheese that we sell to a company for
fish bait. Is this something that could be incorporated in your plans. We
usually sell about a thousand pounds at a time and get anywhere between 7
and 10 cents per pound. We could even segregate organic cheese if that was
useful.
At 11:25 PM 1/24/2000 EST, you wrote:
>In a message dated 1/24/2000 10:20:32 PM Central Standard Time,
>bennett@frognet.net writes:
>
><< of providing fish food.
> When considering setting up an aquaculture the thing that keeps
> going through my head is "Where's the competition in the fish
> food end of this enterprise? IF there's no competition, then the
> prices could skyrocket as more of us go into the business."
> Thank you. >>
>
>
>I have raised catfish in cages myself before I joined this firm. I know
what
>the cost of feed did to my budget. It is our intention to offer an
>alternative to fish meal for aquaculture. Research has shown that this
>ingredient will replace 45% of a tilapia diet and even more of a salmon
diet.
> We think that commercial fish farmers will like it.
>
>Regards,
>
>Cornelius A. Van Milligen
>Iowa Protein Inc.
>
>
Box185 Plain,Wi 53577
(608) 546-2712
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| Message 3 |
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Subject: Prawn Farms
From: Vik Olliver
Date: Fri, 28 Jan 2000 07:37:00 +1200
TGTX wrote:
> In Prawn Park in Taupon, New Zealand, Macrobrachium rosenbergii, the
> freshwater prawn, is reared in geothermally heated effluent raceways and
> ponds on a mixed diet included scrambled eggs and clam meat.
If you're looking for it on the web, think you'll find it's called
"Taupo" (pronounced tau-poe by us Kiwis).
Their website is at http://www.gisnz.com/taupo/prawnopen.htm
I've often fancied raising a few of the critters, perhaps with solar
power, but the cats clear out everything including the damn goldfish.
Vik :v)
(Sorry for slow reply; slight mailing list problems)
--
A member of The Olliver Family http://olliver.penguinpowered.com
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| Message 4 |
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Subject: Duckweed
From: Peggy & Emmett
Date: Thu, 27 Jan 2000 17:40:51 -0500
Go to dogpile.com
Insert duckweed.
Its gotta be there somewhere
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| Message 5 |
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Subject: unsubscribe
From: NIck
Date: Thu, 27 Jan 2000 18:01:13 -0600
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| Message 6 |
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Subject: Greenhouse Coverings
From: Marc & Marcy
Date: Thu, 27 Jan 2000 20:53:12 -0700
I believe this could be of possible concern for some in the
group.
Our first order of 6 mil UV-treated poly arrived a few
months ago for our greenhouse that used steel support
ribbing and no problem with compatibility on the directions
for steel.
It took three 4' by 4' pallets connected together and a
Yellow Freight truck with hydraulic unloading capability. I
could only move the palletting with my backhoe. (I state
this to let those not baptized with poly delivery know how
big the package is and the delivery charge is not free.)
Our second order of 6 mil UV-treated poly arrived a week or
so ago for our latest greenhouse effort and a BIG problem
came with it! When we got the package, the protective
covering had instructions that stated not to use in contact
with PVC.
Our latest and greatest greenhouse design uses 2 inch PVC
with center beam-on-post support. At 30' by 95' it is not
practical to abandon it considering it is already
erected/assembled and waiting for the poly!
We called the saleswoman and she said that the only problem
with PVC was the black color and we could just paint it.
A call to the factory on the 1-800 number printed on the
protective cover got us THE Techy engineer who told us there
is a two-fold problem. One is with the black PVC (we have
white) and the other problem is due to the chloride in PVC
pipe. When the sun hits the PVC it will cause chloride
gases to escape and the poly will turn white where the PVC
touches and disintegrate. An older formulation of covering
USED to be OKAY to use with PVC.
Thought some of you would like to know.
(We are pursuing covering the PVC but await 3M's blessing
for the covering)
Marc S. Nameth
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