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頁籤選單縮合
題 名 | 高濃度飼料在不同飼餵量下對改善肉豬飼料利用效率的效果=Improvement of High-Nutrient Density Diet on Feed Efficiency of Pigs Under Various Feeding Levels |
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作 者 | 游義德; 林志勳; 顏宏達; | 書刊名 | 中華農學會報 |
卷 期 | 185 1999.03[民88.03] |
頁 次 | 頁111-119 |
分類號 | 437.654 |
關鍵詞 | 高濃度飼料; 餵量; 飼料利用效率; 肉豬; High nutrient density diet; Feeding level; Feed efficiency; Hog; |
語 文 | 中文(Chinese) |
中文摘要 | 試驗目的在探討如何改變飼料營養濃度與飼料餵量以便在改善肉豬增重與飼料利 用效率的情況下同時能降低廢水中糞尿氮的排出量。生長試驗採用 LYD 三品種雜交肉豬 42 頭(公母各半,初體重 25kg )依體重逄機分配於以玉米 - 大豆粕為主,粗蛋白質 16% 、消化能 3334 Kcal/kg、鈣 0.71%、磷 0.60% (飼料 A), 而生長肥育期皆採 100% 任食 之對照組(處理一);或飼料營管總濃度提高至飼料 A 之 1.2 倍,但粗蛋白質為對照組之 1.2 倍後降低 2% (飼料 B ),且在生長、肥育期餵量分別採任食量之 100%、90%; 100% 、80%;90%、80% 之處理 2、3 與 4。以及飼料組蛋白質比飼料 B 再降低 2% (飼料 C ) ,生長肥育期餵量分別為 100%、90%;100%、80%; 90%、80% 之處理 5、6 與 7 之七個處 理組中。 代謝試驗則採體重 50kg 左右之 LYD 三品種雜交肉豬 14 頭,逢機分配於飼料 A , 100% 任食,飼料 B,100、90 與 80%,以及飼料 C,100、與 80% 任食等七個處理組中 。 生長試驗結果顯示,全期( 25-100kg) 之每日增重以處理 2、3 與 5 有略優於對照組 (處理 1 )之趨 (P>0.05),但飼料利用效率則處理 2 至 7 皆比對照組為佳,其中處理 3、4 與 6、7 顯著 (P<0.05) 優於對照組。 代謝試驗的結果經模擬生長試驗之處理後,顯 示冀氮排出量七個處理組間差異不顯著,但尿氮排出量則處理 6 與 7 顯著低於對照組,但 冀氮與尿氮總排出量七組間並無顯著差異,而氮蓄積則處理 2、3 比對照組為高,但僅處理 2 顯著 p<0.05);綜合本試驗之處理 3 為最佳。 |
英文摘要 | The aim of the trial was to investigate how to improve growth performances and reduce waste pollution of hogs by manipulation of dietary nutrient density and feeding strategy. Forty-two LYD crossbred pigs (avg. 25kg) were randomly allocated into seven treatments (TRTs) composed of three diets, based on corn-soybean meal, with crude protein 16%, digestible energy 3334 kcal/kg, calcium 0.71%, phosphorus 0.60% (Diet A or TRT 1); the nutrient density 1.2 fold of Diet A but crude protein reduced 2% (Diet B), with the feeding levels in growing and finishing periods at 100%, 90%; 100%, 80%; and 90%, 80% of ad. libitum in TRT 2, 3, and 4, respectively; and the nutrient density similar to Diet B except the crude protein reduced another 2% (Diet C), with the feeding levels in growing and finishing periods at 100%, 90%; 100%, 80%; and 90%, 80% of ad. libitum in TRT 5, 6, and 7, respectively. In metabolism trial, fourteen LYD crossbred hogs (avg. 50kg) were randomized into Diet A, 100% of ad. libitum (TRT 1); Diet B, 100% of ad. libitum (TRT 2); Diet B, 90% of ad. libitum (TRT 3); Diet B, 80% of ad. libitum (TRT 4); Diet C, 100% of ad. libitum (TRT 5); Diet C, 90% of ad. libitum (TRT 6); and Diet C, 80% of ad. libitum (TRT 7). Fecal and urinal nitrogen excretion were measured for determining nitrogen excretion of pigs. The results of growth trial revealed that the daily gain (ADG) of TRT 2, 3, and 5 were not statistically (p>0.05) better than that of the control group (TRT 1) in the whole period (25-IOOkg), and the feed conversion ratio (FCR) improved for TRT 2 to 7, but only TRT 3,4 and 6, 7 were statistically better (p<0.05) than for the control group. The results of the metabolism trial showed that fecal nitrogen excretion of each treatment, after simulating the feeding condition in the growth trial, was not statistically different. Urinal nitrogen excretion for TRT 6 and 7 were significantly lower (p<0.05) than that of the control group. Nitrogen retention was higher for TRT 2 (P<0.05) and TRT 3 (P>0.05) than for the control group. In conclusion, concerning both the growth performances and nitrogen retention and nitrogen excretion from waste, TRT 3 was the best choice among the seven treatments. |
本系統中英文摘要資訊取自各篇刊載內容。