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볏짚의 가성소다 處理水準이 재래산양의 볏짚섭취량 飮水量 및 腸內 通過速度에 미치는 影響
辛炯泰,裵熙東,孫鎭漢 成均館大學校 科學技術硏究所 1988 論文集 Vol.39 No.1
These experiments(I, II) were conducted to determine the nutritive value of NaOH-treated rice straw by voluntary intake, water consumption, rate of passage and retention time in goat's gastrointestinal tracts. The results which were obtained with these experiments (I, II) as follows; 1. Volutary intake of 0%, 3% and 6% NaOH-treated rice straw by goats was 1,012ml, 1,427ml and 1,612 ml, respectively. 2. Water consumption of 0%, 3% and 6% NaOH-treated rice straw by goats was 1,012ml, 1,421ml and 1,612ml, respectively. 3. The first excretion time of stained rice straw particles in goat's feces was 0% NaOH, 20 hours: 3% NaOH, 18 hours and 6% NaOH, 16 hours, respectively. 4. Total mean retention time (R value) of 0%, 3% and 6% NaOH-treated rice straw by goats was 72.0 hours, 61.2 hour, and 56.8 hours, respectively. 5. The optimal level of NaOH for increasing the nutritive value of rice straw was 3% in goat's rations.