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Effect of high dietary strontium levels on bone and egg shell calcium and strontium

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Abstract

The results of feeding high dietary levels of stable strontium to hens are reported. Dietary levels of strontium from 3,000 p.p.m. to 50,000 p.p.m. showed a significant increase in strontium content of the tibia bone and essentially no change in the calcium content. Plasma calcium concentration was shown to decrease with increasing dietary strontium treatment.

Egg shell calcium showed a progressive decrease with increasing dietary strontium treatment, whereas the strontium content has a corresponding increase.

X-ray diffraction analyses of bones and shells containing large amounts of strontium were unsuccessful in evaluating the from in which strontium was deposited.

Résumé

Des poules ont été nourries avec une alimentation riche en strontium stable. Des concentrations de strontium de 3000 p.p. m. à 50000 p.p.m. montre une augmentation nette en strontium du tibia, alors que le contenu en calcium n'est pas modifié. Les concentrations en calcium sérique diminue, lorsque le strontium alimentaire augmente.

Le calcium des coquilles d'oeufs diminue progressivement avec l'augmentation du strontium alimentaire, alors que le contenu en strontium des coquilles présente une augmentation correspondante.

Des analyses de diffraction par rayons X des os et des coquilles ne permettent pas de déterminer sous quelle forme le strontium est déposé.

Zusammenfassung

Die Resultate einer Verfütterung von hohen stabilen Strontiumdosen an Hühnern werden erläutert. Strontiumzusätze zur Nahrung in der Höhe von 3000–50000 p.p.m. führten zu einer signifikanten Zunahme des Strontiumgehaltes der Tibia und verursachten keine wesentlichen Änderungen des Calciumgehaltes. Die Calciumkonzentration im Plasma verminderte sich, wenn der Nahrung ansteigende Strontiummengen zugegeben wurden. Mit zunehmendem Strontiumzusatz zur Nahrung zeigte der Calciumgehalt der Eischale eine fortlaufende Abnahme, während sich der Strontiumgehalt entsprechend erhöhte.

Durch Röntgendiffraktionsanalysen der stark Strontium-haltigen Knochen und Eischalen konnte nicht festgestellt werden, in welcher Form das Strontium abgelagert wurde.

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Author notes

  1. A. R. Doberenz

    Present address: Dept. of Food and Nutritional Sciences, University of Hawaii, Honolulu, Hawaii

Authors and Affiliations

  1. Department of Physics and Poultry Science University of Arizona, 85721, Tucson, Arizona

    A. R. Doberenz, C. W. Weber &  B. L. Reid

Authors
  1. A. R. Doberenz
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  2. C. W. Weber
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  3. B. L. Reid
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Additional information

Arizona Ag. Exper. Sta. Journal Art No. 1491

Research Career Development Awardee No. 5-K3-32,542 from the National Institute of Dental Research.

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Doberenz, A.R., Weber, C.W. & Reid, B.L. Effect of high dietary strontium levels on bone and egg shell calcium and strontium. Calc. Tis Res. 4, 180–184 (1969). https://doi.org/10.1007/BF02279119

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  • DOI: https://doi.org/10.1007/BF02279119

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