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Abstract ▼ AI-Helper

Seven-day-old 40 broiler chicks of both sexes were fed the conventional diet containing 0, 0.3, 6 and 0.9％ Quartz porphyry(QP) and water ad libitum until 28 days of age. The excreta water content and nitrogen balance were measured during the experimental period. At the end of the trial, blood sample...

Seven-day-old 40 broiler chicks of both sexes were fed the conventional diet containing 0, 0.3, 6 and 0.9％ Quartz porphyry(QP) and water ad libitum until 28 days of age. The excreta water content and nitrogen balance were measured during the experimental period. At the end of the trial, blood samples were collected to measure ammonia, glucose, triglyceride, and total cholesterol concentrations. In addition, intestinal ammonia concentrations were measured. The excreta moisture contents decreased significantly(P < 0.05) as QP levels increased(r= -0.96). Ammonia contents in the intestine tended to increase as QP levels increased, but the ammonia concentration in the blood was not affected by the QP levels. The blood glucose concentration was not changed but blood triglyceride concentration was lower in the 0.3％ QP treatment than the other groups(P < 0.05), Total cholesterol concentration in the blood tended to increase as QP levels increased. The QP 0.3％ treatment showed somewhat higher positive N balance than the other groups. The results of this experiment indicate that the dietary supplementation of QP could offer some benefits to broiler growers.

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