頁籤選單縮合
題 名 | 離乳仔豬飼糧中能量與離胺酸需要量之探討=Evaluation of Dietary Energy and Lysine Requirements of Weaned Pigs |
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作 者 | 吳繼芳; 游義德; 鄭清森; | 書刊名 | 中國畜牧學會會誌 |
卷 期 | 28:2 1999.06[民88.06] |
頁 次 | 頁135-143 |
分類號 | 437.654 |
關鍵詞 | 能量; 離胺酸; 需要量; 離乳仔豬; Energy; Lysine; Requirement; Weaned pigs; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究目的在探討四週齡離乳仔豬飼糧中能量和離胺酸需要量。能量用量試驗:選 用64頭四週齡離乳仔豬逢機分配於玉米一大豆粕為主含四種不同代謝能3,050、3,250、3,450 及3,650 kcal/kg之試驗處理組。能量含量以添加纖維素粉或大豆油調整,而各處理組中能量 與離胺酸比例均維持為282 kcal ME/g lysine。試驗結果顯示豬隻平均隻日增重,經統計分 析後各處理組之間差異不顯著,其中以3,250 kcal/kg之代謝能處理組,其增重最高。豬隻平 均隻日飼料攝食量,各處理組之間差異極顯著,隨著代謝能含量提高而成直線的降低。飼料利 用效率各處理組之間差異亦極顯著,隨著代謝能含量提高而獲得改善。而每增重一公斤所需 飼料費則以3,250 kcal/kg代謝能處理組最經濟。 離胺酸用量試驗:選用96頭四週齡離乳仔豬逢機分配於玉米、大豆粕及魚粉為主六種不 同離胺酸0.85、0.95、1.05、1.15、1.25和1.35%之試驗處理組。而各處理組代謝能含量均 維持為3,250 kcal/kg。試驗結果顯示豬隻平均隻日飼料攝食量隨著離胺酸濃度的增加而不 受影響。豬隻平均隻日增重隨著離胺酸用量增加而增加至離胺酸濃度為1.15%時達最高,然 後逐漸下降。飼料利用效率隨著離胺酸用量增加而獲得改善至1.15%最佳。若採用Bent-stick model,以離胺酸用量為X值,以隻日增重為Y值分析時,求得最適當離胺酸用量為1.25%;而 以飼料利用效率為Y值分析時,求得最適當離胺酸用量則為1.15%。 綜合以上試驗結果顯示以玉米一大豆粕或玉米、大豆粕及魚粉為主要原料之四週齡離乳 仔豬飼糧,其代謝能用量為3,250 kcal/kg,離胺酸用量為1.15%,可獲得較佳的生長性能與 較經濟的飼料成本。 |
英文摘要 | The objective of this study was to evaluate the dietary energy and lysine requirements of weaned pigs. In energy level trial, sixty-four pigs weaned at 28 days of age were randomly assigned to four treatments and fed corn-soybean-meal-based diets containing 3,050, 3,250, 3,450, or 3,650 kcal of metabolizable energy (ME)/kg. Caloric levels were adjusted in the respective diets by the addition of powdered cellulose or soybean oil. Calorie: lysine ratios (C:L) were maintained at approximately 282 kcal ME/g lysine. Average daily gain of pigs showed no significant differences among dietary treatments by statistical analysis. Highest average daily gain occurred with the 3,250 kcal ME diet. Average daily feed intake of pigs decreased linearly as energy level in the diet was increased. Feed to gain ratios of pigs improved linearly as caloric density was increased in the diet. The feed cost per kg of gain was lowest for pigs fed the 3,250 kcal ME diet. In lysine level trial, ninety-six pigs weaned at 28 days of age were randomly assigned to six treatments and fed corn-soybean-fish-meal-based diet containing 085, 0.95, 1.05, 1.15, 1.25, or 1.35% of lysine. All diets were based on the same metabolizable energy of 3,250 kcal/kg. Average daily feed intake of pigs was not influenced by lysine level in the diet. Average daily gain was lowest for pigs fed the 0.85% lysine diet, and highest for those fed the 1.15% lysine diet, but decreased as lysine level was increased from 1.15% to 1.35%. Feed to gain ratios improved as lysine level was increased, with the greatest improvement reached at the 1.15% lysine level. When "bent-stick" model was used to interpret the results with Y as daily gain, the optimum lysine level was 1.25%; with Y as feed to gain ratio, the optimum lysine level was 1.15%. These results indicated that a corn-soy or -fish-meal-based diet supplying 3,250 kcal/kg of metabolizable energy and 1.15% of lysine resulted in optimum growth performance and more economic feed cost for pigs weaned at 28 days of age. |
本系統中英文摘要資訊取自各篇刊載內容。