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頁籤選單縮合
題 名 | 高濃度飼料補充酵素對生長肥育豬飼料換肉率與氮排出量的影響=Effect of Enzyme Supplementation to High Nutrient Diet on Feed Conversion Ratio and Nitrogen Excretion of Pigs |
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作 者 | 游義德; 吳繼芳; | 書刊名 | 中國畜牧學會會誌 |
卷 期 | 26:1 1997.03[民86.03] |
頁 次 | 頁15-22 |
分類號 | 437.654 |
關鍵詞 | 高濃度飼料; 酵素; 飼料換肉率; 氮排出量; 生長肥育豬; High nutrient diet; Enzymes; Feed conversion ratio; Nitrogen excretion; |
語 文 | 中文(Chinese) |
中文摘要 | 試驗目的在探討酵素添加於高濃度飼料對豬隻飼料換肉率與糞尿氮排出量的影響 。生長試驗採用 40 頭平均體重 25kg 之生長豬逢機分配於以玉米 - 大豆粕為主之 5 種飼 料處理組中:處理一飼料含粗蛋白質 16.3%、消化能 3,328 kcal/kg、消化離胺酸 0.72%、 鈣 0.80% 與磷 0.60%; 處理二,飼料營養濃度(包括消化離胺酸、消化能、鈣、磷、維生 素及礦物質)調整為處理一的 1.3 倍,其餘必需胺基酸按 Wang and Fuller ( 1990 )胺 基酸平衡比例補充不足之必需胺基酸。處理三,將處理二飼料再補充綜合酵素;處理四,將 處理二飼料再補充抗生素;處理五,處理二飼料再補充綜合酵素與抗生素。處理二至處理五 之每日飼料量為處理一之飼料量除以 1.3,以使五個處理組豬隻之每日營養攝取量儘可能地 接近。代謝試驗採用 10 頭平均體重 40kg 之女豬逢機分配於上述五個處理組中,糞尿樣品 每日收集以作糞、尿氮排出量分析。 試驗結果顯示,處理一之每日增重極顯著( P<0.01 )高於高濃度飼料組(處理二至五), 而飼料換肉率(飼料 / 增重)則高濃度飼料組極顯著( P< 0.01 )優於處理一。處理三之 飼料換肉率( 2.85 )有優於其餘高濃度組之趨勢( P> 0.05 )。 代謝試驗結果顯示,每 日糞氮排出量各處理組間差異不顯著, 但每日尿氮排出量以處理一( 16.54 g / 日)最高 ,且顯著( P< 0.05 )高於其餘四組(介於 11.33 至 13.08 g / 日)。 處理一至處理五 之氮蓄積率( NR/NI, % )分別為 53、54、54、52 與 57。 |
英文摘要 | Two trials were conducted evaluate the effect of enzymes added to high nutrient diet on feed conversion ratio and nitrogen excretion in pigs. A growth and a metabolism trials were adopted in this experiment. In growth trial, 40 growing pigs (avg.25 kg) were randomly assigned to five treatments based on corn and soybean meal:Treatment 1, crude protein 16.3%, digestible energy 3,328 kcal/kg, digestible lysine 0.72%, calcium 0.8%, and phosphorus 0.6%; Treatment 2, increasing the nutrient density (including digestible lysince, digestible energy, calcium, phosphorus, vitamins and minerals )of Treatment 1 by 1.3 times, the other essential amino acids were supplemented to diets according to the ideal protein pattern suggested by Wang and Fuller, 1990.Treatment 3, Treatment 2 ration supplemented with enzymes; Treatment 4, Treatment 2 ration supplemented with antibiotics; and Treatment 5, Treatment 2 ration supplemented with enzymes and antibiotics. The feed intakes of Treatments 2 to 5 were divided by 1.3 to keep the daily nutrition intake of the five treatments similar to each other. In metabolismtrial, 10 gilts (avg 40 kg) were randomly allocated to five treatments as mentioned above. Feces and urine of each pig were collected individually for nitrogen analysis. The results revealed that daily gain of Treatment 1 was significantly higher than that of high nutrient diets (treatments 2 to 5), and feed/gain in high nutrient density diet was much better (P<0.01) than that of Treatment 1. The feed/gain of Treatment 2(2.85) was better than the other high nutrient treatments (P>0.05). In metabolism trial, fecal nitrogen excretion was similar among five treatments, but urinal nitrogen excretion in Treatment 1 (16.54 g/d) was significantly higher than the other treatments (11.33 to 13.08 g/d, P<0.05). The nitrogen retention rate (NR/NI, %) of Treatments 1 to 5 were 53, 54, 54, 52, and 57, respectively. |
本系統中英文摘要資訊取自各篇刊載內容。