頁籤選單縮合
題 名 | 羽毛粉對乳公牛、臺灣黃牛及黑山羊飼養價值之研究=Study on the Digestibility of Feather Meals by Dairy Bulls, Yellow Cattle and Black Goats |
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作 者 | 蘇安國; 楊深玄; | 書刊名 | 畜產研究 |
卷 期 | 31:3 1998.09[民87.09] |
頁 次 | 頁305-312 |
分類號 | 437.11 |
關鍵詞 | 羽毛粉; 荷蘭乳公牛; 臺灣黑山羊; 臺灣黃牛; 消化率; Digestibility; Feather meal; Holstein bulls; Taiwan native black goats; Taiwan native yellow cattle; |
語 文 | 中文(Chinese) |
中文摘要 | 本試驗採用進口與國產羽毛粉各一種進行餵飼反芻動物之研究。在胃蛋白酵素分 解試驗方面,進口與國產羽毛粉之分解率分別為74.4%及74.8%,兩者間無顯著差異存在。在 活體消化試驗方面,無論是以荷蘭乳公牛或台灣黑山羊為試驗動物,國產羽毛粉之總可消化 營養分均顯著地優於進口者 (59.7 與 64.2% vs 57.5% 與 62.4% )(P<0.05)。 利用達克龍 袋評估兩種羽毛粉在瘤胃的解離度發現, 8 小時之氮消失率在進口羽毛粉為 15.5% ,國產 羽毛粉為 19.9%,兩者間差異顯著 (P<0.05)。 至於 48 小時氮消失率,進口與國產羽粉分 別為 27.6% 及 26.6%,兩者間無差異。 採用 10 頭剛離乳之黃牛小公牛,逢機分為兩組 ,分置於個別欄飼養,分別餵飼含 9% 之進口或國產羽毛粉的日糧。試驗結果顯示,在每日 增重方面,採食進口或國產羽毛粉的牛隻增重分別為 1.0 公斤及 1.2 公斤,沒有差異存在 。在採食量,採食乾物佔體重百分比及飼料換肉率方面,兩組也無差異。在增重成本方面, 兩組分別為 33.0 元及 29.9 元,十分接近。 |
英文摘要 | The purpose of this study was to evaluate the utilization of imported and domestic feather meals for ruminants. Results showed that the digestibility of imported and domestic feather meals measured by 48 hours pepsin digestion were 74.4% and 74.8%, respectively. Total digestible nutrients (TDN) of imported and domestic feather meals, evaluated by Holstein bulls and Taiwan native goats, were 57.5%, 59.7% and 62.4%, 64.2%,respectively. The ruminal degradability of imported and domestic feather meals at 8 hours and 48 hours were 15.5%, 19.5%(P<0.05)and 27.6%, 26.6%(P>0.05), respectively. In feeding trial, ten native yellow cattle bulls were divided into two group, and fed diets with either 9% imported feather meal or domestic feather meal. Results showed that growth responses of both diets were not significantly different from each other. |
本系統中英文摘要資訊取自各篇刊載內容。