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題 名 | 添加纖維分解酵素之狼尾草青貯料餵飼撒能閹公羊對其生長性狀之影響=Effects of Adding Fibrolytic Enzyme in Napiergrass Silage on the Growth Performance of Castrated Saanen Male Goat |
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作 者 | 蘇安國; 陳鴻志; 楊深玄; | 書刊名 | 畜產研究 |
卷 期 | 40:2 2007.06[民96.06] |
頁 次 | 頁87-96 |
分類號 | 437.5 |
關鍵詞 | 纖維分解酵素; 狼尾草青貯料; 撒能閹公羊; Castrated saanen male goat; Fibrolytic enzyme; Napiergrass silage; |
語 文 | 中文(Chinese) |
中文摘要 | 本試驗選擇24頭剛離乳的三月齡撒能閹公羊,逢機分為兩組。一組餵飼添加纖維分解酵素之狼尾草青貯料與精料,而另外一組則餵飼沒有添加纖維分解酵素之狼尾草青貯料與精料。試驗結果顯示,兩種青貯料的酸鹼值、乙酸、丁酸、乳酸及青貯品質評分別為4.8、72.7%、0.01%、23.5%、52.0分vs. 4.9、80.5%、5.0%、8.9%、35.0分,其組間有顯著差異存在(P < 0.05),顯示在製作狼尾草青貯料時添加纖維分解酵素,確實可提升狼尾草青貯料之青貯品質。在撒能閹公羊平均每日增重、乾物質採食量及乾物質換肉率方面,兩組分別為0.128 kg、0.90 kg、7.03 vs. 0.127 kg、0.93 kg、7.32,其組間無差異存在,具兩組撒能閹公羊每公斤增重之飼料成本也分別為70.0元與68.9元,其間亦無差異存在。在活動消化試驗方面,試驗組與對照組之撒能閹公羊對青貯狼尾草乾物質、有機物質、粗蛋白質、粗脂肪、粗纖維、無氮抽出物、中洗纖維、酸洗纖維之表面消化率及總可消化養分百分比,分別為51.0%、54.4%、27.7%、38.6%、66.7%、48.3%、66.9%、77.0%、50.1% vs. 47.8%、52.1%、29.2%、38.8%、66.0% 43.9%、65.5%、64.4%、48.1%,其中僅酸洗纖維表面消化率,在兩組間有差異存在(P < 0.05)。在撒能閹公羊血液生化值分析方面,試驗組與對照組之間,並無差異存在。狼尾草青貯過程中添加纖維分解酵素,除了可增加狼尾草青貯料之青貯品質外,也可以增加其酸洗纖維之表面消化率,但不會明顯改善撒能閹公羊的生長性狀以及減少飼料成本的支出。 |
英文摘要 | A total of twenty-four castrated Saanen male goats were randomly allocated into two groups. One group was fed with concentrate and Napiergrass silage containing fibrolytic enzyme while the other was fed with concentrate and napiergrass silage without additives and served as control group. Results showed that there were significant differences in pH value, acetic acid, butyric acid, lactic acid and Flieg's score between these two Napiergrass silages with or without fibrolytic enzyme (p < 0.05). It showed that adding fibrolytic enzyme into Napiergrass improved the quality of silage. Nevertheless, there were no differences in daily dry matter intake, daily weight gain, feed efficiency or cost of weight gain of castrated saanen male goats between the two treatments. In-vivo experiment showed only a significant difference in acid detergent fiber digestibility existed between two silages. This meant that adding fibrolytic enzyme into Napiergrass improved the digestibility of ADF in silage. There were also no significant differences in the serum parameters of glutamic-oxaloacetic transaminase, blood urea nitrogen, protein, calcium or phosphorus between the two groups. It showed that adding fibrolytic enzyme into Napiergrass not only improved the quality of silage but also increased the efficiency of fiber utilization. Nevertheless, this ration did not improve the growth performance and decrease feeding cost of castrated Saanen male goats. |
本系統中英文摘要資訊取自各篇刊載內容。