<p style="text-align: justify;"><span id="result_box" lang="fr"><span class="hps">Le NRC</span> <span class="hps">donne</span> <span class="hps">des formules</span> <span class="hps">pour le calcul</span> <span class="hps">des</span> <span class="hps">besoins</span> <span class="hps">en calcium</span> <span class="hps atn">(</span><span>Ca</span><span>)</span><span>,</span> <span class="hps atn">phosphore (</span><span>P</span>), magnésium <span class="hps atn">(</span>Mg) <span class="hps">et potassium</span> <span class="hps atn">(</span>K). <span class="hps">Les</span> <span class="hps">fourrages</span> et les <span class="hps">concentrés</span> <span class="hps">utilisés dans</span> <span class="hps">l'alimentation</span> <span class="hps">classique</span> <span class="hps">du</span> <span class="hps">cheval</span> <span class="hps">contiennent suffisamment de potassium</span> <span class="hps">pour</span> <span class="hps">prévenir la survenue d'une carence</span><span class="hps">.</span> <span class="hps">Nous allons</span> néanmoins, <span class="hps">à partir de 2012,</span> <span class="hps">inclure</span> le <span class="hps">potassium dans</span> <span class="hps">les</span> <span class="hps">analyses</span> <span class="hps">de nutriments de l'</span><span class="hps">alimentation</span> <span class="hps">présentées dans</span> <span class="hps">PC</span><span class="atn">-</span>Cheval. En effet, le potassium (<span class="hps">K)</span> <span class="hps">est un cation</span> <span class="hps">important</span>,<span class="hps"> nécessaire</span> <span class="hps">pour le calcul de</span> <span class="hps">l'équilibre</span> <span class="hps">cation-anion</span> <span class="hps">d'une ration</span>.</span></p>
<p style="text-align: justify;">&nbsp;</p>
<p style="text-align: justify;"><span id="result_box" lang="fr"><span class="hps">Les calculs des</span> <span class="hps">besoins en minéraux</span> <span class="hps">pour l'entretien</span> <span class="hps alt-edited">sont généralement basés</span> <span class="hps">sur les pertes</span> <span class="hps">endogènes</span> <span class="hps">et</span> <span class="hps atn">l'</span><span class="alt-edited">efficacité d'absorption</span> <span class="hps">du nutriment</span> <span class="hps">en question.</span> <span class="hps">Pour</span> <span class="hps alt-edited">les chevaux au travail</span>, les besoins en <span class="hps">minéraux</span> <span class="hps">sont liés aux</span> <span class="hps alt-edited">besoins</span> <span class="hps alt-edited">en énergie.</span> <span class="hps">En outre,</span> <span class="hps">pour les jeunes chevaux</span> <span class="hps">la</span> <span class="hps">formule</span> <span class="hps">contient</span> <span class="hps">un</span> <span class="hps alt-edited">volet</span> <span class="hps">qui</span> <span class="hps alt-edited"> lie</span> <span class="hps alt-edited">l'exigence</span> <span class="hps">minérale</span> <span class="hps alt-edited">au kg</span> <span class="hps">de</span> <span class="hps">gain de poids.</span></span></p>