アンモニア処理および酸化剤とアンモニア併用処理稲わらの飼料価値について〔英文〕

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Digestion and feeding trials by sheep were conducted on the straw treated with ammonia or sodium chlorite and ammonia to determine the effect of treatment on the intake and digestibility of the rice straw ration with concentrate. Rice straw was treated with 5% ammonia (by wt.) or 5% sodium chlorite and 5% ammonia on air dry matter basis at ambient temperature for 30 days. The original, ammoniated and oxidized-ammoniated rice straw were fed ad libitum with a constant amount of concentrate (1.5% of body weight) to sheep to determine the voluntary intake of the straw. Thereafter, the ration consisted of the straw and concentrate with a constant proportion was fed to sheep in order to estimate the digestibility of the ration The. consumption of straw was significantly increased by ammonia treatment, and increased also by the combined treatment with sodium chlorite and ammonia but not significantly compared with original straw. The digestibilities of dry matter, organic matter, crude fiber and gross energy of the, ammoniated straw ration were significantly higher than those of the original straw ration. The values of the oxidized-ammoniated rice straw ration were more elevated but not significantly compared with the ammoniated straw ration. The nitrogen balance trial showed that there was no significant differences between three straw rations. These results indicate that ammonia treatment for rice straw improves the intake and digestibility of rice straw and the combined treatment further elevates the digestibility but may slightly lower the feed consumption.
社団法人日本畜産学会の論文

アンモニア処理および酸化剤とアンモニア併用処理稲わらの飼料価値について〔英文〕

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