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Effet du chaponnage sur les performances de croissance et ... - BEEP

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LISTE DES FIGURES<br />

Figure 1 : Squel<strong>et</strong>te <strong>de</strong> volaille......................................................................... 5<br />

Figure 2 : Disposition générale <strong>de</strong>s sacs aériens d’un oiseau .......................... 8<br />

Figure 3 : Appareil génital mâle <strong>et</strong> vascularisation ......................................... 9<br />

Pages<br />

Figure 4 : Mécanisme physiologique <strong>de</strong> la libération <strong>de</strong>s androgènes chez le coq<br />

......................................................................................................................... 11<br />

Figure 5 : Courbe <strong>de</strong> <strong>croissance</strong> <strong>de</strong>s chapons <strong>et</strong> <strong>de</strong>s mâ<strong>les</strong> entiers ................ 46<br />

Figure 6 : Evolution <strong>de</strong>s gains moyens hebdomadaires dans <strong>les</strong> <strong>de</strong>ux lots ... 47<br />

Figure 7 : Evolution <strong>de</strong> la consommation alimentaire pendant l’essai dans <strong>les</strong><br />

<strong>de</strong>ux lots........................................................................................................... 48<br />

Figure 8 : Evolution <strong>de</strong>s indices <strong>de</strong> consommation chez <strong>les</strong> chapons <strong>et</strong> <strong>les</strong> mâ<strong>les</strong><br />

entiers .............................................................................................................. 49<br />

5

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