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THE EFFECf OF VITAMIN C SUPPLIED TO CORTISOL CONTENT IN THE LAYER CHIKEN PLASMA DURING REPRODUCfION PHASE.

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An experiment has been conducted to investigated the effect of vitamin C to cortisol plasma of the Layer chicken during eleven weeks. In this experiment there were five treatments levels of vitamin C (0 ppm, 300 ppm, 600 ppm, 900 ppm, and 1200 ppm) were daily orraly induced to the two phase
of production of layer (I" phase and 3rdphase of production).The result of this experimentindicated that level of vitamin C 1200 ppm significantly(P S;0.01) decreasedthe levelsof cortisolin the,plasma. While I" phase of production were significantlylower (P S;0.0 I) than to the 3 phase of production. A. Habibie, Y. saepudin, D. Suhennan, dan Anne S.; Balai Penelitian Temak, Bogor