Micro minerals vs macro minerals11/5/2023 ![]() The phosphorus content of forages varies widely and is influenced by the phosphorus status of the soil, stage of plant maturity, and climate. Vegetable protein sources are richer in phosphorus than cereals. Changes in bone structure and composition that result from phosphorus deprivation are the same as calcium.Ĭereals are rich in phosphorus, most of which is stored in the seed coat. The formation of bone is the most important function of phosphorus. Phosphorus is the second most abundant mineral in the body and about 80 percent is found in the bones and teeth. According to the National Resource Council, the maximum dietary level of calcium is 1.5 percnet. Sources include calcium carbonate, limestone, calcium chloride, dicalcium phosphate, and soft rock.Ĭalcium is generally not regarded as a toxic element, because excess calcium is excreted in the feces. The calcium in soy based milk replacers is less absorbed.Ĭalcium is one of the least expensive nutrients. Milk and milk replacers, of animal origin, are rich in calcium and well-absorbed by young. Although richer in calcium than cereals, vegetable protein sources do not contain adequate calcium when blended with cereals. Alfalfa containts 3 to 4 times more calcium than grasses and usually more than ruminants need (if it is fed as the main dietary component). A calcium to phosphorus ration of <1 may cause urolithiasis.įorages are generally satisfactory sources of calcium, particularly when they contain leguminous species. Rickets can also be caused by a deficiency of phophorus and vitamin D. In young animals, a calcium deficiency usually results in rickets, where osteomalacia and milk fever are common in does and ewes. Prolonged calcium deprivation can manifest itself in a variety of ways depending upon the stage of growth. For goats, calcium requirements are higher during pregnancy but increase abruptly after kidding. Requirements for ewes rise rapidly during late pregnancy to a level equal to that for lactation. Calcium is required for growth and milk production.Ĭalcium requirements decrease with age, but increase with growth. Calcium supports muscles and protects organs and tissues, including bone marrow. Ninety-nine percent is found in the skeleton. Calcium is the most abundent mineral in the body.
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