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Animals : an open access journal from MDPI2021; 11(8); 2439; doi: 10.3390/ani11082439

Investigations on the Effects of Different Calcium Supply Exceeding the Requirements on Mineral Serum Concentrations and Bone Metabolism in Young Warmblood Stallions.

Abstract: Since mineral supplements for horses commonly contain macro minerals, although the requirement for such is usually covered by roughage-based diets, the aim of this study was to investigate the effects of different dietary calcium levels on mineral serum concentrations and bone metabolism. The trial was conducted in 30 young warmblood stallions (2-3 years) that were divided into two groups for a five-month feeding trial. The groups were fed a hay- and oat-based diet and were either supplied with high (Ca-High) or moderate (Ca-Moderate) calcium excess. While in Ca-High calcium supply was about 2-2.5-fold of the requirement, in Ca-Moderate calcium requirements were slightly surpassed (1.5-1.6-fold). In order to monitor the effects of the different calcium supply, blood samples were taken during the trial and analysed for levels of macro and trace elements as well as concentrations of two bone markers. In Ca-Moderate a trend towards higher phosphorus serum levels compared to Ca-High was observed which was significant at the end of the trial ( = 0.0002). Furthermore, results showed no influence of the diet on bone markers. Results support the idea that forage-based rations for horses do not necessarily have to be supplemented with macro minerals but with trace elements.
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Publication Date: 2021-08-19 PubMed ID: 34438897PubMed Central: PMC8388694DOI: 10.3390/ani11082439Google Scholar: Lookup
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Summary

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The research study investigates the effects of different dietary calcium levels on the concentration of mineral serum and bone metabolism of young warmblood stallions. The study demonstrates that a forage-based horse diet does not necessarily need supplementation with macro minerals.

Research Design

  • The study was conducted on 30 young warmblood stallions that were 2-3 years old. The stallions were divided between two groups for a five-month feeding trial.
  • Both groups were fed a roughage-based diet of hay and oats. One group was supplied with an excess of calcium at 2 to 2.5 times the requirement (Ca-High), whereas the other group received a moderate excess of calcium around 1.5 to 1.6 times the requirement (Ca-Moderate).
  • The researchers were investigating the impacts of different calcium supply levels. To check the effects, they collected and analysed the horses’ blood samples during the trial period. These samples were analyzed for levels of macro and trace elements and concentrations of two bone markers.

Outcome of the Study

  • They noticed a trend towards higher phosphorus levels in the serum in the Ca-Moderate group compared to the Ca-High group, with a noteworthy difference of significance on executing data analysis at the end of the trial.
  • Interestingly, the study points out that the varying diet did not have any influence on the bone markers of the horses from either group.
  • These research findings account for the idea that forage-based rations for horses might not necessarily be required to supplement with macro minerals but may require supplementation with trace elements.

Cite This Article

APA
Schubert DC, Neustädter LT, Coenen M, Visscher C, Kamphues J. (2021). Investigations on the Effects of Different Calcium Supply Exceeding the Requirements on Mineral Serum Concentrations and Bone Metabolism in Young Warmblood Stallions. Animals (Basel), 11(8), 2439. https://doi.org/10.3390/ani11082439

Publication

Animals : an open access journal from MDPI
ISSN: 2076-2615
NlmUniqueID: 101635614
Country: Switzerland
Language: English
Volume: 11
Issue: 8
PII: 2439

Researcher Affiliations

Schubert, Dana Carina
  • Institute for Animal Nutrition, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, D-30173 Hanover, Germany.
Neustädter, Lisa-Theresa
  • Tierärztliche Klinik für Pferde Dres. Marcus Bayer, Wigo Horstmann, Johanna Engl, Breite Straße 141, D-67067 Ludwigshafen, Germany.
Coenen, Manfred
  • Institute of Animal Nutrition, Nutrition Diseases and Dietetics, Faculty of Veterinary Medicine, Leipzig University, An den Tierkliniken 9, D-04103 Leipzig, Germany.
Visscher, Christian
  • Institute for Animal Nutrition, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, D-30173 Hanover, Germany.
Kamphues, Josef
  • Institute for Animal Nutrition, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, D-30173 Hanover, Germany.

Conflict of Interest Statement

The authors declare no conflict of interest.

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Citations

This article has been cited 1 times.
  1. Rueda-Carrillo G, Rosiles-Martínez R, Corona-Gochi L, Hernández-García A, López-Navarro G, Trigo-Tavera F. Comparison of the Mineral Profile of Two Types of Horse Diet, Silage and Commercial Concentrate, and Their Impacts on Hoof Tensile Strength. Animals (Basel) 2022 Nov 18;12(22).
    doi: 10.3390/ani12223204pubmed: 36428431google scholar: lookup
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