The relationships between potassium intakes, transmural potential difference of the rumen epithelium and magnesium absorption in wethers.

Abstract

In vitro studies with isolated sheep rumen epithelium have shown that an increase in the lumen K concentration induces an increase in the transmural potential difference across the rumen epithelium (serosal side: positive), which is associated with a decrease in Mg transport. However, at lumen K concentrations >80 mmol/l, Mg transport across the epithelium… (More)

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