頁籤選單縮合
題 名 | 山羊放牧南斐鴿草對草地覆蓋率及日增重之影響=Effects of Nubian Goat Grazing Setaria Pasture on Vegetative Cover and Average Daily Gain |
---|---|
作 者 | 謝昭賢; | 書刊名 | 畜產研究 |
卷 期 | 29:4 1996.12[民85.12] |
頁 次 | 頁331-337 |
分類號 | 437.58 |
關鍵詞 | 山羊; 南斐鴿草; 日增重; 放牧; 植生覆蓋; Goat; Seteria sphacelata; Grazing; Daily gain; Vegetative coverage; |
語 文 | 中文(Chinese) |
中文摘要 | 本試驗的目的在探討雜交努比亞(crossbred Nubian)山羊放牧於南斐鴿草種植地對草地覆蓋率及對山羊日增重之影響。本試驗利用山羊40頭放牧於0.7ha之南斐鴿草地,山羊分成四組,每組十頭,每日下午放牧後,各組山羊每頭分別補充0, 0.1, 0.2及0.3kg之精科,其平均日增重各為12.0, 23.6, 29.6及34.2g,顯示日增重隨補充精料量增加而增加,其迴歸方程式為y=14.17+71.7 x, R=0.97, 式中y為平均日增重(g/d),x為補充精料量(kg/d)。南斐鴿草經放牧後之植生覆蓋率均維持在92%以上,不因山羊放牧而減低南斐鴿草之覆蓋率,顯示南斐鴿草種植地在山羊放牧的情況下,仍維持良好之草地覆蓋率,高覆蓋率對表土具有保護作用,適合臺灣高雨量地區,亦對山坡地有保育作用,為一值得推薦之熱帶牧草,供山坡地放牧利用。 |
英文摘要 | The purpose of this trial was to study the effect of hybrid Nubian goat grazing Seteria (Seteria sphacelata (Seteria sphacelata (schum). Stapf and Hubb.) pasture on vegetative cover and average daily gain of Nubian goat. Random block design was used to conduct this experiment. Forty goats were divided into four groups of ten. After grazing Seteria grass, each group of goats was supplemented with concentrate 0, 0.1, 0.2 and 0.3 kg/d/head. The results showed that average daily gain increased with increasing concentrate supplement. The regression equation was y=14.17+71.7 x, R=0.97, where y=average daily gain (g/d), and x=supplemented concentrate (kg/d). No significant difference of vegetative cover could be found between grazed and ungrazed pasture. Vegetative growth could be maintained as high as 92% after goat grazing. High vegetative cover could prevent surface soil from being eroded by rainfall. Seteria grass could thus be recommended for grazing and soil conservation purpose at hillslopes area in Taiwan. |
本系統中英文摘要資訊取自各篇刊載內容。