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Gary Donaldson
PostPosted: Jul 6th, '06, 18:02 
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Hi Monya,

You can feed egg shells to chickens......they're a valuable source of replacement calcium.

So you don't train the chickens to eat eggs, you should avoid feeding the shells while they are identifiable as such.

Crush them up nice and fine and mix them with their food. To avoid any disease problems, stick them in the oven while you cook the roast......and then crush them up.

Gary
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monya
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PostPosted: Jul 6th, '06, 18:24 
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Thanks Gary, we have always just crushed them up into our chook scrap bucket, was just wondering if you thought it was the go. Cheers

Monya
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aquamad
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PostPosted: Jul 6th, '06, 18:52 
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would adding them to my growbed (egg shells that is) do any harm to my system?... I am growing water cress and it is supposed to be high in calcium (which it will need to get from somewhere. like egg shells)
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steve
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PostPosted: Jul 6th, '06, 22:53 
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Thank you very much AM, a THINKER!

I'm sick of reading that this is high in calcium, and that the other thing is high in iron, and that wheat grass is high in XYZ mineral (when its been grown and re-grown and re-grown in paper and water!).

If the mineral ain't there to start with, the plant is not going to mystically synthesise it. I've said it before, but thats another reason why our fruit and veg is so nutitionally deviod, the same land has been used to grow it for the lst 200 years, with only NPK put back it :)

AM, i'd say no harm, maybe just bake them like gary suggested, i reccomended incorp. sea shells to the growbed media anyway, and they are basically made from the same stuff :) (CaCO3) and as with sea shells they will give you a PH buffering effect and add calcium

Sea shells are a great idea IMO, they will be majority caco3, but will contain many trace rare earth elements (strontium comes to mind, only because it is a cool sounding element :shock: )

Steve

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aquamad
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PostPosted: Jul 6th, '06, 22:56 
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time to do a dirty deed and pop off to the beach to "borrow" some sea shells for my system... :blob8:
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steve
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PostPosted: Jul 6th, '06, 23:03 
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Mum likes "walks on the beach" so she brought me two shopping bgs full a while ago, i'm out now :)
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aquamad
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PostPosted: Jul 6th, '06, 23:06 
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they should last a while... I would think so anyways... But to find a beach with shells I have to drive a bit out of town as we dont get them right here (too many mud flats!!!)
what about cuttle fish bones, they are high in calcium!
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steve
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PostPosted: Jul 6th, '06, 23:08 
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yep, and much more porus

our oceans have the giant cuttle fish species, the bone is like plate size fish size :shock:
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aquamad
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PostPosted: Jul 6th, '06, 23:11 
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wow, only seen the ones as big as my hand, and I thought that they were big! :shock:
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steve
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PostPosted: Jul 6th, '06, 23:19 
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Not PLATE sized AM, "plate sized fish" :) lol

20cms to 25cms fish shaped
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aquamad
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PostPosted: Jul 6th, '06, 23:22 
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ahhh *slaps head*...
:oops:
I have seen the odd one like that.
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Gary Donaldson
PostPosted: Jul 9th, '06, 08:14 
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What about crushed dolomite? Could you spread a little of that on grow beds for a calcium boost? It gradually breaks down in soil and I assume that it would do the same thing in a grow bed.
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aquamad
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PostPosted: Jul 9th, '06, 08:19 
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would it not break down faster with water trickeling over it all the time? What are the calcium levels in dolomite?
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aquamad
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PostPosted: Jul 9th, '06, 08:23 
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these were found at http://www.dietitian.com/calcium.html
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Probably the biggest advocate of dolomite (crushed animal bones that may contain toxic metals such as arsenic, mercury, lead, cadmium and others.) was Adelle Davis who is now deceased. Unfortunately, her books are still in circulation and influencing people's choices of supplements.

:shock: and... :shock:
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Do not take bone meal or dolomite calcium as a supplement. Bone meal calcium comes from slaughterhouse animals' bones. Both may be contaminated with toxic metals such as arsenic, mercury, lead, cadmium and others. Animals as well as people store heavy metal toxins in their bones. Any heavy metals you have ever been exposed to, are stored in your bones. Grinding them up doesn't rid the bones of heavy metals. Leaded paint and leaded gas have added greatly to our lead exposure also.

:shock:
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Dave Donley
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PostPosted: Jul 9th, '06, 09:52 
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Found this after Googling "Ozark Originals" after reading the article posted by EB about Tom Speraneo a couple days ago. The last part mentions adding rock dust to the system; sounds intriguing:

http://www.championtrees.org/topsoil/bioponics.htm
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