post #11 of 11
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Originally Posted by MeepBeep View Post

It will provide some calcium but I doubt you have a steady enough supply to supply the needs of laying hens... Crushed oyster shells are about $10 for a 50lb bag, so it's hardly worth the hassle, although if you are really cheap crushed limestone can be bought for about $15 a ton from most gravel pits and that should be a lifetime supply of poultry calcium for most wink.png

hehe... I wonder how much space a ton of limestone would take up in my backyard?