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AW: Blackworms

Thanks Roger for the data,

looks like I dont have the facilities here to run an effective blackworm


> -----Ursprüngliche Nachricht-----
> Von: owner-killietalk at aka_org [mailto:owner-killietalk at aka_org]Im
> Auftrag von Roger Hawthorne
> Gesendet: Samstag, 27. Juli 2002 00:07
> An: killietalk at aka_org
> Betreff: Blackworms
> Hi Erik:
> They are often called incorrectly 'tubifex'
> and even worse referred to as 'bloodworms'.
> They are not egglayers as tubifex. They are not
> asociated with a fly like the 'bloodworm' which is
> a maggott for the Midge fly, normally in the Orient.
> Blackworms split by division, kinda like a Dahlia tuber.
> Most come from trout farms in California, primarily from
> Redding in the north to Sanger near Fresno in the middle.
> They are collected in settling ponds. Trout use very little of the
> food they consume. Problem is many trout farmers use
> things to prevent disease we don't wish in our tanks.
> Many still use malachite green, and the cheaper the better.
> High concentrations of zince are present, posibly cadnium.
> These can collect in the worms, then in the fish. And there
> is a posibility that a disease from the trout may become
> virulent in warmer water causing further problems.
> I got my first in a shopment of plants from San Marcos, Texas.
> The rest ca,e from the American abd Feather Rivers of California.
> They stuck to the clay around the roots. My Discus loved them.
> They do best about 56f. They tollerate higher temps but it is
> more difficult to maintain adequate oxygen levels at higher temps.
> We have a hand drilled (pipe of 1 1/4 " pounded into the ground)
> well. My son just used an 8 inch post hole digger with homemade
> attacchments to put in one a little west of town to over 30 feet.
> 56f is exactly between the danger points, freezing and 80f. So
> our well water has as much heater capacity as cooling. They do
> need lots of fresh water constantly. The better the food to the
> worm, the better the worms are for the fish. I use fiberglass
> salmon egg troughs. They are 16 feet long and about 18 inches
> tall and wide. About every foot are two stainles steel baffles. The
> first an inch from the second. Water is forced over the first,
> then under the second. That makes eggs/ worms in my case, to
> move constantly. Ones going to the bottom may suffocate and
> foul the water. They will reproduce in warmer water, but in much
> less density. Given good foods like leftover flakes smaller than I
> choose to sell and calf-starter with acidilfalous sic bacteria, I
> expect one pound new worms per day from a 16 foot trough that
> has a fairly constant 10 pounds. I cut back feed in warmer weather
> to keep ox up as my supply of water is limited. So are my funds
> for the electricty for a pump running 24 hours per day. People
> with a clear running spring have it made. I use them in fry tanks
> as they collect the eggs, and filter the water clear. Manure will
> feed them. I don't reccomend that. Pig fat and race hrse feed
> will do if 'hammer milled' first. Use a good yeast with those.
> Good Luck, Your fish will love ya;
> Roger Get more from the Web.  FREE MSN Explorer download :

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