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頁籤選單縮合
題 名 | 以玉米株青貯料部分取代完全飼糧對肥育豬生長性能與屠體性狀之影響=Effect of Corn Fodder Silage as Partial Replacements for Complete Feed on the Growth Performance and Carcass Traits of Finishing Pigs |
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作 者 | 丁煜軒; 金悅祖; 林美峰; 楊天樹; 魏恒巍; | 書刊名 | 中國畜牧學會會誌 |
卷 期 | 45:3 2016.09[民105.09] |
頁 次 | 頁259-272 |
分類號 | 437.654 |
關鍵詞 | 玉米株青貯料; 屠體性狀; 肥育豬; 生長性能; Carcass traits; Corn fodder silage; Finishing pig; Growth performance; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究旨在評估以玉米株青貯料部分取代完全飼糧餵飼肥育豬之可行性。 24 頭體重接近 78 公斤之 LYD 三品種雜交閹公豬逢機分為 3 組,分別為餵飼完全 飼糧之對照組、以玉米株青貯料取代完全飼糧 7.5% 可代謝能之取代組或 10% 可 代謝能之取代組。試驗期為 32 天,飲水與飼料皆採任飼,每日記錄採食量,並於 試驗起始與結束時記錄體重,藉以計算增重速率及飼料轉換率。當試驗結束時先 檢測背脂厚度與腰眼之深度,再將豬隻屠宰,記錄屠體性狀,並進行背最長肌與 小里肌之肉質分析與官能品評。就結果顯示,取代 7.5% 可代謝能組與取代 10% 可代謝能組之飼料轉換率皆顯著高於對照組者( P < 0.05)。於小里肌之保水性方 面,取代 7.5% 可代謝能組顯著高於其他兩組( P < 0.05);且熟肉橫切值亦是取 代 7.5% 可代謝能組顯著高於取代 10% 可代謝能組(P < 0.05),但兩者皆與對照 組差異不顯著。其餘的生長表現值、屠體性狀、肉質分析與官能品評,各組間皆 無顯著差異存在。若不考慮運費,玉米株青貯料每公斤售價只要 2.5 元,但是若以 玉米株青貯料部份取代完全飼糧餵予肥育豬,其達上市體重之飼養期遠比餵飼完 全飼糧者為長,使得生產成本上升,將致使該飼養模式在商業上並無明顯的實質效益。 |
英文摘要 | The aim of this study was to estimate the possibility of using corn fodder silage (CFS) as partial replacement for a complete diet (CD) for finishing pigs. A total of 24 LYD pigs weighing around 78 kg were assigned randomly into three groups receiving a corn-soybean meal CD, a ration containing 92.5% metabolizable (ME) from CD and 7.5% ME from corn fodder silage, or a ration containing 90% ME from CD and 10% ME from CFS. Both water and feed were provided ad libitum in a 32-day period. Daily intake was recorded. Initial and final body weights were measured for calculating feed conversion rate and average daily weight gain. Before sacrificing for detecting carcass traits and the chemical composition, meat quality and sensory evaluation of mucsle longissimus dorsi and tenderloin, pigs were measured by ultrasonic for backfat thickness and loin eye depth in the end of the experiment. There were no significant differences in these indexes between groups except for feed conversion rate, water holding capacity, or the shear value of cooked meat. Both replacement trials showed significantly higher feed conversion rates than that of the control (P < 0.05). The trial of 7.5% ME replacement resulted significantly better in water holding capacity of tenderloin than did the other treatments (P < 0.05). Although no significant differences existed in the shear value of cooked meat between the control and both replacement trials, the trial of 7.5% ME replacement showed significantly higher value than that of the trial of 10% ME replacement (P < 0.05). The price of corn fodder silage was only 2.5 NTD/ kg if its transportation fees were excluded, whereas days to market weight of finishing pigs receiving the ration containing the CD and CFS would be postponed in comparison with that of the pigs ingesting only the CD. This showed that using CFS as partial replacements for a CD had no commercial advantage due to an increase in cost. |
本系統中英文摘要資訊取自各篇刊載內容。