<p style="text-align: justify;"><span id="result_box" lang="fr"><span class="hps">La teneur</span> <span class="hps">en protéines du lait</span> <span class="hps">est le plus élevée</span> <span class="hps">juste après</span> <span class="hps">la mise bas</span>, <span class="hps">et</span> <span class="hps">décline</span> <span class="hps">progressivement à mesure que</span> <span class="hps">la lactation </span>avance<span class="hps"></span>. <span class="hps">La composition du</span> <span class="hps">lait</span> <span class="hps alt-edited">n'est pas</span> <span class="hps">grandement affectée</span> <span class="hps">par la composition</span> <span class="hps">de l'alimentation,</span> <span class="hps">mais</span> <span class="hps">la production de lait</span> <span class="hps atn">(</span><span>kg</span> <span class="hps">/ j)</span> <span class="hps">dépend à la fois</span> <span class="hps alt-edited">des protéines et</span> <span class="hps alt-edited">de l'apport énergétique</span><span>.</span> <span class="hps">Le lait de jument</span> <span class="hps">contient</span> <span class="hps">en moyenne</span> <span class="hps">entre 2,1 et</span> <span class="hps">1,8</span> <span class="hps">pour cent de protéines respectivement</span> <span class="hps">en début et en fin de lactation</span><span class="hps"></span><span>.</span></span></p>
<p style="text-align: justify;"><span class="hps">Le besoin en</span> <span class="hps">protéines</span> <span class="hps">pour la lactation</span> <span class="hps">est calculée</span> <span class="hps">en protéine brute</span> <span class="hps">digestible</span> <span class="hps">par kg</span> <span class="hps">de lait produit</span><span>,</span> <span class="hps">et le besoin</span> <span class="hps">total</span> <span class="hps">est déterminé</span> <span class="hps">par le produit</span> <span class="hps">de cette valeur</span> <span class="hps">et le taux de</span> <span class="hps">production de lait</span>.</p>
<p><strong><br /></strong>Protéine Brute Digestible (PBD) par kg de lait produit à différentes étapes de la lactation</p>
<table style="width: 366px; height: 160px;" border="1">
<tbody style="text-align: left;">
<tr style="text-align: left;">
<td style="text-align: center;">Mois de lactation</td>
<td style="text-align: center;">PBD, g/kg lait</td>
</tr>
<tr style="text-align: left;">
<td style="text-align: center;">1</td>
<td style="text-align: center;">50</td>
</tr>
<tr style="text-align: left;">
<td style="text-align: center;">2</td>
<td style="text-align: center;">44</td>
</tr>
<tr style="text-align: left;">
<td style="text-align: center;">3</td>
<td style="text-align: center;">44</td>
</tr>
<tr style="text-align: left;">
<td style="text-align: center;">4</td>
<td style="text-align: center;">40</td>
</tr>
<tr style="text-align: left;">
<td style="text-align: center;">5</td>
<td style="text-align: center;">40</td>
</tr>
</tbody>
</table>
<p style="text-align: justify;"><br /><em><strong>Note ! Les besoins à l'entretien des juments doivent être ajoutés aux besoins pour la production de lait ci-dessus.</strong></em></p>