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| 題 名 | 糙米餵豬之研究(2):肉豬生長與屠體品質特性之評估 |
|---|---|
| 作 者 | 吳繼芳; 鄭清森; 楊天樹; | 書刊名 | 中華農學會報 |
| 卷 期 | 155 1991.09[民80.09] |
| 頁 次 | 頁107-114 |
| 分類號 | 437.654 |
| 關鍵詞 | 生長; 肉豬; 品質; 屠體; 糙米; 餵豬; |
| 語 文 | 中文(Chinese) |
| 中文摘要 | 為探討糙米取代肉豬飼糧中部分或全量玉米,對肉豬生長、屠體品質特性以及背脂脂肪酸組成之影響。選用64頭,平均體重為19.2公斤雜交豬(杜洛克×藍瑞斯×約克夏),公母各半。並按性別與體重逢機分配至各處理組,重複四次。四個處理組為(1)玉米—大豆粕飼糧為對照組;(2)糙米取代對照組中33.3%玉米組;(3)糙米取代對照組中66.7%玉米組;(4)糙米取代對照組中10%玉米組。 試驗結果顯示,供試豬隻之平均隻日增重、飼料攝食量、飼料利用效率以及飼養天數,各處理之間差異不顯著。豬隻之屠辛率、屠體長度、平均背脂厚度以及腰眼面積,各處理之間差異不顯著。同時,豬肉外觀特性之酸鹼度、色澤及保水性、各處狂之間差異亦不顯著。豬隻背脂脂肪酸組成中不飽和脂肪酸與飽和脂肪酸總量,其外層各處理之間差異不顯著,其內層不飽和脂肪酸總量隨著飼糧中糙米含量益曾加而降低,而飽和脂肪酸總量則增加。 本研究結果證實糙米取代肉豬飼糧中部分或全部玉米,對肉豬生長、屠體性能、豬肉外觀特性以及背脂脂肪酸組成皆無不良的影響。,因此,可以完全利用糙米餵豬。 |
| 英文摘要 | The effect of replacement of dietary corn by brown rice on pig performance, carcass quality characteristics, and fatty acid composition of backfat was examined. A total of 64 crossbred (Duroc × Landrace ×Yorkshire) pigs, averaging 19.2 kg each, was randomly assigned to four treatment groups with replications based on sex and weight. The four treatments were: (1) a corn-soybean meal diet as control diet; (2) 33.3% replacement of the corn by brown rice; (3)66.7% replacement of the corn by brown rice; and (4) 100% replacement of the corn by brown rice. The results showed that the feeding period, average daily gain, feed intake, and feed efficiency of pigs were not influenced (P > 0.05) by dietary treatment. Differences in the carcass dressing percentage, carcass length, mean backfat thickness, and loin eye area were not significant (P > 0.05) among treatments. The values of pH, color, and water holding capacity of longissimus were also similar among dietary treatment. The total unsaturated and saturated fatty acids of the outer layer of backfat were not significantly different (P > 0.05) among dietary treatments. As to the inner layer of backfat, the total unsaturated fatty acid decreased (P < 0.05), but the total saturated fatty acids was increased (P < 0.05) as the dietary brown rice increased. It is concluded that dietary corn can be replaced by brown rice with satisfactory results based on growth performance, carcass characteristics, and meat appearance characteristics. Despite significant change in the fatty acid composition of backfat, there was no deteriorative effect on the texture of fat. It is certain that brown rice can be freely used in pig diets. |
本系統中英文摘要資訊取自各篇刊載內容。