Minerals - Minerals o Inorganic elements required by an animal/human to maintain growth, reproduction, lactation and health.o Classified by the amount needed in the diet Macromineral - > 100 mg required daily- Typically required in the diet- Calcium/ sodium Micromineral (trace) - < 100 mg required daily- Much lower concentration - Copper/ solidum o They are cofactors like vitamins but are inorganic o They are usually added as a mixed supplement - Classification o Macromineral Ca (calcium) P (phosphorus) Na (sodium) Cl (chloride) K (potassium) Mg (magnesium) S (sulfur)o Micromineral (trace) B (boron) Co (cobalt) Cr (chromium) Cu (copper) I (iodine) F (fluorine) Fe (iron) Mn (manganese) Mo (molybdenum) Se (selenium) Si (silicon) Zn (zinc)o Loose mineral is often put out (Ca, P, Mg) for the animal to simply lick on and get what they need - Calcium o Ca++ in solution o Hydroxyapatite in bone (Ca10(PO4)6(OH)2)o In solution is a charged species o In the boneà where most of our calcium is found Ration of 10:6 (calcium: phosphorous) so in the diet we would want tofeed more calcium to help keep this balance o Sources bone meal- ~2:1 (Ca:P) ratio limestone grass hay- moderate levelso .31 to .36% legume hay- high levelso 1.2 to 1.7% dairy
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