J. Anim Sci.
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J. Anim Sci. 1972. 35:901-907.
© 1972 American Society of Animal Science
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Influence of Dietary Potassium and of Trans-Aconitic Acid on Mineral Metabolism Related to Ovine Phosphatic Urolithiasis1

R. J. Emerick2, H. R. King3 and L. B. Embry4

South Dakota Agricultural Experiment Station, Brookings 57006

Abstract

TWO experiments were conducted to study potassium-phosphorus interrelationships (experiment 1) or potassium-trans-aconitic acid relationships (experiment 2) related to metabolism of various minerals and the development of phosphatic urinary calculi. Potassium chloride at levels of I or 2% provided some protection against the calculogenic effects of 0.5% total phosphorus in the diet, but was without effect when the diet contained 0.7% phosphorus. Incorporation of trans-aconitic acid at 0.5 and 1.0% of the diet also offered partial protection against phosphatic urinary calculi. No major alterations of serum or urinary phosphorus, magnesium or calcium were noted as a result of the potassium and/ or trans-aconitic acid treatments, and no synergism between these two dietary compounds was observed in these 95 to 98-day experiments.

Footnotes

1 Published with approval of the Director of the South Dakota Agricultural Experiment Station as Publication No. 1068 of the Journal Series. This investigation was supported in part by a Public Health Service Research Career Program Award No. K3 AM-28,621 from the Institute of Arthritis and Metabolic Diseases.

2 Department of Station Biochemistry.

3 Present address: Hubbard Milling Co., Mankato, Minn. 56001.

4 Department of Animal Science.






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