Magnetic treated drinking water for cattle: shape of crystals and ruminal fluid kinetics [magnetic treatment]

agua potable calcita calcite calcium carbonate carbonate de calcium carbonato de calcio cristallisation crystallization dairy cows drinking water eau potable feed intake fluid flow fluide du rumen fluido del rumen flujo heifers novilla nutrition physiology physiologie de la nutrition prise alimentaire (animaux) rumen fluid surface tension tension superficielle vacas lecheras