Influence of potassium on Mg- and Ca-metabolism in cows: Effects and side-effects of research
2003
Martens, H. | Schweigel, M. (Freie Universitaet Berlin, Berlin (Germany). Institut fuer Veterinaer-Physiologie)
Results of scientific studies are obtained by analysing of the present knowledge of a current problem and a corresponding new experimental set-up. Under ideal conditions the data of the new study agree with the deduced working hypothesis. This general consideration is true for the well established correlation between K content and growth rates of plants. At low K concentrations (up to 3 % of dry matter) K causes a linear increase of growth and finally a saturation. This positive effect of K on growth rates of plants is accompanied by some side effects. There is no doubt that a high intake of K is involved in the pathogenesis of grass tetany and of milk fever. The present publication gives some information about this correlation and discusses the discrepancy between the intention of a scientific study and possible «side effects», which cannot be predicted in many cases.
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