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頁籤選單縮合
題 名 | 添加蜂膠或正丁酸對土雞生長性能之影響=The Effects of Bee Propolis and Butyric Acid on Growth Performances of Taiwan Native Chickens |
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作 者 | 林義福; 劉曉龍; 洪哲明; 蔡銘洋; 謝昭賢; | 書刊名 | 畜產研究 |
卷 期 | 44:3 2011.09[民100.09] |
頁 次 | 頁205-212 |
分類號 | 437.714 |
關鍵詞 | 土雞; 蜂膠; 正丁酸; 生長性能; Native chicken; Bee propolis; Butyric acid; Growth performance; |
語 文 | 中文(Chinese) |
中文摘要 | 本試驗旨在探討飼糧添加蜂膠或正丁酸對土雞生長性能之影響,試驗分成二次進行,以畜試所育成之台畜肉13 號1 日齡土雞為試驗動物,基礎飼糧為以玉米- 大豆粕為主之一般實用飼糧。試驗一進行蜂膠試驗,取360 隻試驗雞隻分成3 組(1 對照組、2 處理組),每組120 隻分飼於4 欄(4 重複),每重複30 隻;對照組飼糧不添加蜂膠,處理組飼糧分別添加蜂膠300 ppm 及600 ppm。試驗二進行有機酸試驗,取240隻試驗雞隻分成4 組(1 對照組、3 處理組),每組60 隻再分飼於3 欄(3 重複),每重複20 隻;對照組飼糧不添加有機酸,處理組飼糧分別添加正丁酸0.075、0.15 及0.225%。試驗期間每四週個別秤重並記錄飼料採食量,至16 週止。有機酸試驗於16 週齡秤重後,每組取體重相近之雞隻12 隻犧牲,取小腸部位測腸道絨毛性狀。試驗結果顯示,飼糧添加300 ppm 蜂膠組,於4 週齡起至16 週齡之平均體重顯著較對照組高( P < 0.05),但添加600 ppm蜂膠組則無顯著差異;平均增重亦以添加300 ppm蜂膠組較其他各組高,飼料利用效率在三組間無顯著差異。飼糧添加0.075% 正丁酸組之平均體重高於其他各組,但無統計上並顯著差異,全期(0-16 週) 之平均增重亦以添加正丁酸0.075% 組最高,但統計上並無顯著差異,全期(0-16週)之飼料利用效率以對照組最佳,但統計上無顯著差異。添加正丁酸可顯著增加雞隻小腸的絨毛高度、腺窩深度及肌肉層厚度( P < 0.05)。綜合以上結果顯示,適量添加蜂膠(300 ppm)有顯著促進土雞生長的效果,但添加量太高則效果不顯著。添加正丁酸對0-16 週之土雞生長性能並無顯著影響,但可增加小腸絨毛高度、腺窩深度及肌肉層厚度。 |
英文摘要 | The purpose of this experiment was to evaluate the effects of dietary supplementation of bee propolis or butyric acid on growth performance of Taiwan native chickens. Day-old LRI Taishu No. 13 native chicken were used as experimental animals. The basal diets were corn-soybean practical diets. In bee propolis experiment, a total of 360 birds were divided into 3 groups (1 control group, 2 treatment groups). Each group had 120 birds and were allocated into 4 pens (4 replicates). The control group was not added with bee propolis, the treatment groups were added with 300 and 600 ppm bee propolis, respectively. In organic acid experiment, a total of 240 birds were divided into 4 groups (1 control group, 3 treatment groups). Each group had 60 birds and were allocated into 3 pens (3 replicates). The control group was not added with organic acid, the treatment groups were added with 0.075, 0.15 and 0.225% butyric acids, respectively. During experimental period, body weight and feed intake were recorded every 4 weeks till 16 weeks of age. In organic acid experiment, 12 birds in each group were sacrified at 16 weeks of age. The intestines were sampled for observation of villi histology. The results indicated that diets supplemented with 300 ppm bee propolis had significantly (P<0.05) higher body weight than the control group from 4 to 16 weeks of age. The feed efficiency tended to decline at 600 ppm bee propolis. Diets supplemented with 300 ppm bee propolis had the largest average weight gain; Diets supplemented with 600 ppm bee propolis had the best feed efficiency, followed by 300 ppm and the control group, respectively. No difference was found in weight gain and feed efficiency among treatments. Diets supplemented with 0.075% butyric acid had higher average body weight than the other groups. The control group had the best feed efficiency during the experimental period (0-16 weeks). The villus characteristics examination showed that diets supplemented with butyric acid can significantly (P<0.05) increase intestinal villus height, crypt depth and muscle thickness. No difference was found on villus width. In conclusion, 300 ppm bee propolis supplementation can significantly improve growth of native chicken. High dose of bee propolis had no effect on the growth performance. The supplementation of butyric acid had no significant effect on growth performance but increased intestinal villus height, crypt depth and muscle thickness. |
本系統中英文摘要資訊取自各篇刊載內容。