Mineral Balance Studies with the Baby Pig: Effects of Dietary Magnesium Level upon Calcium, Phosphorus and Magnesium Balance

Miller, E. R.; Ullrey, D. E.; Zutaut, C. L.; Hoefer, J. A.; Luecke, R. W.

doi:10.1093/jn/86.2.209

Cited by 22 publications

(8 citation statements)

References 9 publications

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“…Meintzer and Steenbock (1955) reported that vitamin D caused a slight, but significant, increase in the intestinal absorption of magnesium in the rat. Hanna (1961) and Miller et al (1965) confirmed this. Our own observations accord better with those of Meintzer and Steenbock (1955), and show that vitamin D enhances the absorption of magnesium to the same extent as that of calcium.…”

Section: Discussionmentioning

confidence: 74%

“…(1) Bile salts are essential for the absorption of vitamin D (Schachter, Finkelstein, and Kowarski, 1964), which enhances the intestinal absorption of calcium (Schachter and Rosen, 1959;Sallis and Holdsworth, 1962) and magnesium (Meintzer and Steenbock, 1955;Hanna, 1961;Miller et al, 1965). (2) Bile salts are also important in the process of emulsification and micelle formation in fat absorption (Borgstrom, 1967); deficiency in the secretion of bile salts would adversely affect fat absorption, and formation of insoluble calcium soaps of unabsorbed fatty acids in the small intestine would reduce calcium absorption (Steggerda and Mitchell, 1951;Kehayoglou et al, 1968b).…”

mentioning

confidence: 99%

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Intestinal absorption of calcium and magnesium in hepatobiliary disease in infancy

Kobayashi¹,

Utsunomiya²,

Ohbe³

et al. 1974

Archives of Disease in Childhood

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Archives of Disease in Childhood, 49, 90. Intestinal absorption of calcium and magnesium in hepatobiliary disease in infancy. The intestinal absorption of calcium and magnesium was measured by metabolic balance studies in 6 normal infants, 13 infants with biliary atresia, 5 infants with successfully repaired biliary atresia, 7 infants with neonatal hepatitis, and 2 infants with choledochal cyst. The absorption of both elements was impaired in these disorders. The malabsorption of these elements was most marked in biliary atresia. In successfully repaired biliary atresia the absorption was increased to the normal levels. In neonatal hepatitis the degree of the malabsorption was variable in individual cases. In choledochal cyst the reduction of the absorption was less marked than in biliary atresia and neonatal hepatitis. In biliary atresia parenteral vitamin D increased moderately the absorption of both elements, though oral vitamin D had little effect. In infants with biliary atresia receiving a milk containing medium-chain triglycerides the absorption was moderately raised. There was a clear relation between the absorption of calcium and that of magnesium: the per cent. absorption of magnesium was almost the same as that of calcium in most cases. The serum calcium level determined during the studies was within the normal ranges in hepatobiliary diseases. The serum magnesium level was, however, found to be generally reduced in these conditions. It was greatly reduced in the patients with biliary atresia.

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Section: Discussionmentioning

confidence: 74%

mentioning

confidence: 99%

Intestinal absorption of calcium and magnesium in hepatobiliary disease in infancy

Kobayashi¹,

Utsunomiya²,

Ohbe³

et al. 1974

Archives of Disease in Childhood

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“…Calcium was determined following the methods of AOAC (2005) [11] while magnesium levels were tested using the method suggested by Miller et al [12]. …”

Section: Methodsmentioning

confidence: 99%

Effects of magnesium on the performance of sows and their piglets

Zang

Chen

Tian

et al. 2014

J Animal Sci Biotechnol

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The objective of this study was to evaluate the effects of supplemental magnesium (Mg) on the performance of gilts and parity 3 sows and their piglets. Fifty-six gilts (Trial 1) and 56 sows (Trial 2) were assigned to one of 4 treatments according to their mating weight, respectively. The treatments comprised corn-soybean meal based gestation and lactation diets (0.21% magnesium) supplemented with 0, 0.015, 0.03, or 0.045% Mg from mating until weaning. The results showed that magnesium supplementation significantly (P < 0.05) reduced the weaning to estrus interval in both gilts and sows. There were significant effects (P < 0.05) of supplemental magnesium on the total number of piglets born, born alive and weaned in sows. In late gestation and lactation, the digestibility of crude fiber (quadratic effects, P < 0.05), and crude protein (P < 0.05), were significantly influenced by magnesium in gilts and sows, respectively. There were differences among the 4 groups in terms of the apparent digestibility of dry matter and crude fiber in sows (P < 0.05) during both early and late gestation. The apparent digestibility of gross energy was increased for sows in late gestation (P < 0.05), and lactation (quadratic effects, P < 0.05). At farrowing and weaning, serum prolactin levels and alkaline phosphate activities linearly increased in sows as the Mg supplementation increased (P < 0.05). Serum Mg of sows at farrowing and serum urea nitrogen of sows at weaning was significantly influenced by Mg supplementation (P < 0.05). The Mg concentration in sow colostrum and the serum of their piglets were increased by supplemental magnesium (P < 0.05). In addition, growth hormone levels were linearly elevated (P < 0.05) in the serum of piglets suckling sows. Our data demonstrated that supplemental magnesium has the potential to improve the reproduction performance of sows, and the suitable supplemental dose ranged from 0.015% to 0.03%.

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“…The ingestion of a diet deficient in magnesium results in the disappearance of this ion from the urine both in The Hormonal and Non-Hormonal Control of Renal Excretion 89 growing and adult animals [39,51,208,226] and in humans [15,64,77,200]. Urinary magnesium is augmented with high magnesium intake [96,166], Urinary calcium usually falls with low magnesium intake and rises with a high intake of magnesium [5,41,51,95,96,226].…”

Section: Dietary Intake O F Sodium Calcium and Magnesiummentioning

confidence: 99%

The Hormonal and Non-Hormonal Control of Renal Excretion of Calcium and Magnesium

Massry¹,

Jw²

1973

Nephron

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This report reviews the various hormonal and non-hormonal factors involving the renal handling of calcium and magnesium and the effect of these factors on the relationship between the excretions of these divalent ions and that of sodium. Among the factors discussed are: (1) extracellular volume expansion, (2) renal vasodilatation, (3) changes in glomerular filtration rate, Parathyroid hormone (4) hypercalcemia and hypermagnesemia, (5) diuretics, (6) phosphate depletion and loading, (7) alterations in acid base balance, (8) diet, (9) fasting, (10) activity, (11) diurnal variation, and (12) various hormones including parathyroid hormone, calcitonin, vitamin D, growth hormone, thyroid hormone, and adrenal steroids.

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Mineral Balance Studies with the Baby Pig: Effects of Dietary Magnesium Level upon Calcium, Phosphorus and Magnesium Balance

Cited by 22 publications

References 9 publications

Intestinal absorption of calcium and magnesium in hepatobiliary disease in infancy

Intestinal absorption of calcium and magnesium in hepatobiliary disease in infancy

Effects of magnesium on the performance of sows and their piglets

The Hormonal and Non-Hormonal Control of Renal Excretion of Calcium and Magnesium

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