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Open AccessArticle

The Effect of Sheep and Cow Milk Supplementation of a Low Calcium Diet on the Distribution of Macro and Trace Minerals in the Organs of Weanling Rats

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Department of Food Science, University of Otago PO Box 56, Dunedin 9054, New Zealand
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Department of Wine, Food and Molecular Biosciences, Lincoln University, PO Box 85084, Lincoln 7647, New Zealand
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AgResearch Ltd, Grasslands Research Centre, Private Bag 11008, Manawatu Mail Centre, Palmerston North 4442, New Zealand
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Riddet Institute, Massey University, Massey University, Private Bag 11222, Palmerston North 4442, New Zealand
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Department of Microbiology and Immunology, University of Otago PO Box 56, Dunedin 9054, New Zealand
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Department of Biochemistry, University of Otago PO Box 56, Dunedin 9054, New Zealand
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Department of Chemistry, University of Otago PO Box 56, Dunedin 9054, New Zealand
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Authors to whom correspondence should be addressed.
Nutrients 2020, 12(3), 594; https://doi.org/10.3390/nu12030594
Received: 9 February 2020 / Revised: 22 February 2020 / Accepted: 22 February 2020 / Published: 25 February 2020
(This article belongs to the Section Micronutrients and Human Health)
The aim of this study was to investigate the effect of either sheep or cow milk supplementation to a low calcium and phosphorus diet on growth and organ mineral distribution in weanling rats. Rats were fed diets consisting of either a control chow, a 50% reduced calcium and phosphorous chow (low Ca/P), low Ca/P and sheep milk, or low Ca/P and cow milk diet for 28 days. Food intake of the rats, the growth rate of the rats, and the concentrations of minerals in the soft organs and serum were determined. Rats fed the low Ca/P diet alone had lower weight gain than rats consuming either of the milk-supplemented diets (p < 0.05). Both sheep milk and cow milk supplementation overcame the effects of consuming a diet restricted in calcium and phosphorus but the sheep milk was effective at a significantly lower level of milk intake (p < 0.05). Significant differences (p < 0.05) in essential and trace mineral concentrations due to milk type were observed in the kidney, spleen, and liver. For non-essential minerals, significant differences (p < 0.05), related to diet, were observed in all organs for arsenic, cesium, rubidium, and strontium concentrations. View Full-Text
Keywords: milk; macro-minerals; trace-minerals; ICP-MS; sheep milk; Cow milk; Calcium; Phosphorous; Soft organs milk; macro-minerals; trace-minerals; ICP-MS; sheep milk; Cow milk; Calcium; Phosphorous; Soft organs
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MDPI and ACS Style

Burrow, K.; Young, W.; McConnell, M.; Carne, A.; Barr, D.; Reid, M.; Bekhit, A.E.-D. The Effect of Sheep and Cow Milk Supplementation of a Low Calcium Diet on the Distribution of Macro and Trace Minerals in the Organs of Weanling Rats. Nutrients 2020, 12, 594. https://doi.org/10.3390/nu12030594

AMA Style

Burrow K, Young W, McConnell M, Carne A, Barr D, Reid M, Bekhit AE-D. The Effect of Sheep and Cow Milk Supplementation of a Low Calcium Diet on the Distribution of Macro and Trace Minerals in the Organs of Weanling Rats. Nutrients. 2020; 12(3):594. https://doi.org/10.3390/nu12030594

Chicago/Turabian Style

Burrow, Keegan; Young, Wayne; McConnell, Michelle; Carne, Alan; Barr, David; Reid, Malcolm; Bekhit, Alaa E.-D. 2020. "The Effect of Sheep and Cow Milk Supplementation of a Low Calcium Diet on the Distribution of Macro and Trace Minerals in the Organs of Weanling Rats" Nutrients 12, no. 3: 594. https://doi.org/10.3390/nu12030594

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