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Effect of Oral Administration of Diakur™ (a Glucose and Electrolytes Additive) on Growth and Some Physiological Responses in Broilers Reared in a High Temperature Environment |
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Kazuaki Takahashi, Yukio Akiba |
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| Abstract |
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An experiment was conducted to determine effects of oral administration of Diakur TM (an additive of glucose and electrolytes for young calves) on growth performance and some physiological responses in male broilers reared in a high temperature. A 2 by 3 factorial arrangement test of 2 temperatures (24 and 36 C) and 3 levels of oral administration of the glucose and electrolytes additive, Diakur TM (0, 150 and 300 mg/day/100 gBW) were applied in the experiment. Male broiler chicks (2 weeks of age) were assigned to six groups and received dietary and temperature treatments for 7 days. The additive of glucose and electrolytes was suspended with water and intubated into crop twice a day (08:00 and 17:00). Oral administration of the additive prevented decreases in food intake and growth rates in broilers due to exposure of the hot environment. Oral administration of the additive also improved a lowered electrolyte (Na+ + K+ - Cl-) balance in plasma, low mitogenic response of blood mononuclear cell and an increase in glucose concentration due to exposure to the high environmental temperature. Oral administration of the additive increased rectal temperature regardless of environmental temperatures. On the other hand, blood pH, pCO2 and HCO3- concentration, and plasma creatine kinase activity were not affected by the oral administration. The results suggested that oral administration of the glucose and electrolytes additive, Diakur TM during heat stress did not only prevent decrease in growth performance, but also normalized some physiological and immunological responses in male broilers. |
| Keywords:
Plasma Electrolyte Balances; Glucose and Electrolytes Additive; Diakur; Growth; Heat Stress; Immune Responses |
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