bone meal

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bone meal,

finely ground bone used as a fertilizer for its content of phosphate and nitrogen (about 23%–30% available phosphate and 2%–4% nitrogen); it is an expensive form of phosphoric acid when compared with superphosphatessuperphosphate
or superphosphate of lime,
Ca(H2PO4)2, is a compound produced by treating rock phosphate with sulfuric acid or phosphoric acid, or a mixture of the two.
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. Bone meal is also fed to farm animals to supply needed mineral food constituents, e.g., calcium and phosphorus.

Bone Meal


a mineral additive in feed for farm animals made by processing the bones from slaughtered animals. It is made by grinding bones that are defatted by organic solvents and deglutinated by steam. Bone meal is rich in minerals, particularly calcium (245 g in 1 kg of feed) and phosphorus (118 g). For cattle, 40–100 g of bone meal are added to the ration, and for small animals, 8–20 g. Bone meal constitutes up to 1 percent of the weight of mixed feeds.

bone meal

[′bōn ‚mēl]
A substance made by grinding animal bones; steamed meal, made from pressure-steamed bones, is used as a fertilizer; raw meal is used in animal feed.
References in periodicals archive ?
Microcrystalline Hydroxyapatite, a complex biological matrix comprising natural calcium, phosphorous, collagen, amino acids and a broad range of trace minerals makes up the ingredient structure of Super Bone Food.
In this work, microcrystalline hydroxyapatite powder was synthesized from calcium acetate and tri ethyl phosphate in water and ethanol medium.
Weight-bearing exercise and dietary supplements--including microcrystalline hydroxyapatite concentrate (MCHC), horsetail, and red clover--have also been noted to prevent or slow osteoporosis.