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Cage, in this case would be like a housing for the tanks--a mini room so that I could heat the air.


Holding a redear sunfish is like running with scissors.
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I think JKB is talking about a flammable gas in the presence of heat.

I assume the nonflammables are not carbon based.

I should know this stuff but I'm off the fire clock now a days, so these are only guesses.


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OK, so if I don't include O2, then I could just make a structure with 1" PVC that is 8 feet cubed. I could then use ten sheets of R-10 2" insulation to enclose it. Then I could equip each of four 110 gallon cylindrical tanks with it's own pump/filter like I have in my original tank. Here's an image of the tanks I want to use.



This leaves me with the issue of heating the air. I'd like to run all four tanks at 75 degrees or greater.


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ewest, I've looked now for two hours trying to find literature that would teach me how to strip female redears and male bluegill for tank culture. I need a new hobby. smile


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Actually here's a small excerpt from Morris' white paper.

Would it be possible to take four tank, and have one for fry raising, one for brine shrimp raising (to feed the fry, and the other two tanks for further advanced redear or redear/bluegill hybrid to raise? That would be my ultimate goal for this whole project would be to create thousands of redear/bluegill hybrids that were feed trained.

Even though past production of sunfish has been mostly extensive production in ponds, there
has been success with some intensive laboratory culture methods. Childers and Bennett (1961)
hand spawned mature gametes from fish into petri dishes. Eggs from one or more mature
females were stripped into damp petri dishes followed by stripping of milt from one or more
males onto the eggs. After mixing milt and eggs, water was added and 2 min were allowed for
fertilization to take place. The fertilized eggs were then placed into clean petri dishes containing
aged tap water and allowed to become water hardened. After being rinsed with water, the petri
dishes of fertilized eggs were then placed into aerated aquaria. They reported that fertilization
occurred with several thousand eggs from various intergeneric crosses of sunfish. However, no
hatching rates were given. When larvae became free-swimming fry, they were transferred to
rearing ponds.
Mischke and Morris (1998) developed a protocol for out-of-season spawning of sunfish in
the laboratory. They placed artificial nests in indoor bluegill tanks and manipulated temperature
and photoperiod. Initial temperature and photoperiod were established to mimic summer
conditions (i.e., 72°F [22°C] and 16-h light/8-h dark). Over 2 weeks, the temperature was
lowered to 59°F (15°C) and photoperiod was lowered to 8 hours of light/day. The fish were
maintained at the winter conditions for 4 weeks and then returned to summer conditions over
another 2-week interval. One month after the temperature and photoperiod manipulation, fish
began spawning. By this method, they obtained 41 spawns, averaging 20,000 larvae each, from
24 female bluegill. The spawns were obtained over the winter months (December through May),
and the same protocol was successful for production of hybrid sunfish (BG × GS) (Mischke et al.
In preparation).
Mischke (1995) and Mischke and Morris (1998) reported that larval bluegill did not digest
commercial feeds at the onset of exogenous feeding. An initial period of feeding newly-hatched
brine shrimp (Artemia franciscana) nauplii was necessary for survival. They found, after feeding
brine shrimp to larval bluegill for 7 days, that survival was greatest (about 23%) among larvae
fed Fry Feed Kyowa7 B-250 (>55% protein, >10% fat, <3% fiber, <13% ash) (Biokyowa,
Incorporated, Tokyo, Japan). They also found that feeding larval bluegill brine shrimp for 14
days before offering Fry Feed Kyowa7 B-250 produced about 43% survival.


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Originally Posted By: Bruce Condello
So if I wanted to make a cage out of PVC, and this stuff..



(which is listed as non-flammable by the way)

...how would I heat the inside of the cage, in the presence of an oxygen tank, without risking explosion?


Extruded polystyrene insulation?

http://www.dyplastproducts.com/newsletter/more_xpseps.htm



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Bruce - Instead of trying to produce sunfish hybrids "inside" why not try and rent one of your old small ponds and naturally spawn some RESXBG hybrids? I'm thinking of using your old small liner pond or the small leaky pond on the hillside.

Last edited by Bill Cody; 12/10/12 08:26 PM.

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Bruce has a very good idea, and is most certainly attainable.

I am a bit confused on the cone bottom tanks tho.

Cecil brought this up a while back and we were discussing the use of cheap swimming pools:


I have been looking for negatives about utilizing these and really have not found any. Many people do use them right out of the box, even a shrimp farmer. Some rinse them out, while others just fill them up and put their fish in. The material is quite durable, and some have reported 5 years of use, and still like new. Pretty cheap way to go. A couple of these in a Shelterlogic round top, if you don't have a building, or a huge wad of cash burning a hole in your pocket, would be quite reasonable.

Heating/cooling a room is probably a better way to go, with electric heaters for fine tuning. Keep in mind that you will need to ventilate any room on a regular basis because of C02. Water is a natural sink for C02 so if you gas it out, it can easily find it's way back in. Water also retains it's temp quite well, so an evacuation wont hurt much in energy. If this room is in a building that is not being heated, and is on a concrete floor, it will require more energy to heat/cool the room due to the surrounding concrete.

My starter plan is to build a couple small 12' x 16' buildings, well insulated, even the floor. Small vent fan, infrared or propane heat, air conditioner, all metal tanks, and a heating element before the biofilter. Looking into led lighting, but will probably go with fluorescent because I can get analog ballasts. And a few other gizmos and gadgets. Pretty much have everything now, just waiting till spring to build it. No, I am not using round tanks in this.

Reason for the small buildings is they are pretty much an environmental chamber, I can easily move them, and I do not need building permits.

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Brilliant. Definitely the best $/gallon ratio for water containment.

If you follow through with the buildings, I have a potential business proposal for you that I'm working on right now. I need a couple of like minded people (hopefully that's not code for "crazy") smile that want to do some out of the box projects with me.


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Just for the record with two tanks in my basement C02 wasn't an issue. I bought an expensive C02 meter and it showed just slightly more than normal. Of course that can change with larger systems and more tanks.


If pigs could fly bacon would be harder to come by and there would be a lot of damaged trees.






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Here's some video of my tank residents going nuts over some bloodworms!



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Bruce, how many tenants per abode? Either the fish are pretty small, or those bloodworms are HUGE!


www.hoosierpondpros.com


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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).
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2-3 inches. smile. 500 tenants in ~200 gallons.


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Originally Posted By: Bruce Condello
I need a couple of like minded people (hopefully that's not code for "crazy") smile that want to do some out of the box projects with me.


Too bad. I was looking for something crazy to get involved in.

This guy's been working different angles to get some poly totes together. Going to take a small investment from us, but could easily make it happen.

On board to expand this crazy talk.

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Omaha, please help me!!


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Bruce, you had me at whiskey. I'm all in. Just bark the orders. Or text. Text is fine too.

When this all gets sorted out, I think me and you should get an apartment together.

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You killed a man with a trident.


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I love lamp.

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Do you really love the lamp, Josh, or are you just saying you love it because you see a lamp?


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Want to go to my Pants Party?


Thread officially hijacked.

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Did someone mention crazy laugh crazy

What's this out "of the box" thing ya talking about?

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Originally Posted By: JKB
Did someone mention crazy laugh crazy

What's this out "of the box" thing ya talking about?



The article I'm writing is evolving into a summary of how you can use outdoor cages and indoor tanks to actually reduce your cost of altering your fishery in ways that might be impractical with traditional "stocking" strategies.

Out of the box means some specialty hybrids. More later....


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Originally Posted By: Bruce Condello
Originally Posted By: JKB
Did someone mention crazy laugh crazy

What's this out "of the box" thing ya talking about?



The article I'm writing is evolving into a summary of how you can use outdoor cages and indoor tanks to actually reduce your cost of altering your fishery in ways that might be impractical with traditional "stocking" strategies.

Out of the box means some specialty hybrids. More later....


Kinda like taking an Aquaculture approach to ponds!

Control is Key!

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Bruce great video ! ! ! What is the water temp at worm gulch where all those blood worms were massacred and which tribe did the massacring ?
















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Water temperature at Worm Gulch has been ranging from 41-44 degrees. smile


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