The growth of the foetus speeds up during the three last months of pregnancy. Prior to that no increase in the energy requirement of the mare is required as long as the mare is in a generally good condition. <strong><br /><br />Percentage increase in energy requirement above maintenance for mares during late the last part of pregnancy. </strong><br /><br />
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<tbody style="text-align: left;">
<tr style="text-align: left;">
<td style="text-align: center;">Month of pregnancy</td>
<td style="text-align: center;">% increase</td>
</tr>
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<td style="text-align: center;">8-9</td>
<td style="text-align: center;">15%</td>
</tr>
<tr style="text-align: left;">
<td style="text-align: center;">10</td>
<td style="text-align: center;">25%</td>
</tr>
<tr style="text-align: left;">
<td style="text-align: center;">11-12</td>
<td style="text-align: center;">30%</td>
</tr>
</tbody>
</table>