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題名 | 飼糧添加大豆油對努比亞閹公羊生長性能及屠體性狀之影響=Effects of Dietary Soybean Oil Supplementation on Growth Performance and Body Fatty Acid Composition of Castrated Nubian Goats |
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作者 | 陳坤照; 林正鏞; 謝宗明; 賴博永; 張俊達; Chen, Kuen-jaw; Lin, Cheng-yong; Hsieh, Tzung-ming; Lai, Po-yung; Chang, Chun-ta; |
期刊 | 畜產研究 |
出版日期 | 20111200 |
卷期 | 44:4 2011.12[民100.12] |
頁次 | 頁363-372 |
分類號 | 437.58 |
語文 | chi |
關鍵詞 | 屠體性狀; 共軛亞麻油酸; 努比亞山羊; 大豆油; Carcass traits; Conjugated linoleic acids; Nubian goat; Soybean oil; |
中文摘要 | 本試驗旨在探討飼糧添加大豆油對肉羊生長、屠體、血液性狀及羊肉共軛亞麻油酸(conjugated linoleic acids, CLA)含量之影響。試驗選用18 頭10 月齡努比亞閹山羊(體重約35 kg),逢機分配至0%、2.5%及5%大豆油三個飼糧處理組,試驗期為5 個月。試驗期間每日紀錄採食量,每兩週採血測定血液性狀及增重。肥育結束每組逢機選取5 頭羊屠宰測定屠體性狀。試驗結果顯示,飼糧處理對生長及屠體性狀無顯著影響。在血液方面,三酸甘油酯與膽固醇濃度以添加5.0%大油組顯著較對照組為高(P<0.05)。羊肉中的CLA 濃度於各組間並無顯著差異,但添加大豆油組之羊背脂中的CLA 濃度顯著(P<0.05)較對照組為高,且飼糧添加大豆油也使羊肉之脂肪酸組成含有較高的多元不飽和脂肪酸,有益人體健康。本試驗結果顯示,飼糧添加大豆油雖無法改善生長及屠體性狀,但可以增加羊皮下脂肪CLA 含量,可以做為生產品牌化產品的方法。 |
英文摘要 | A total of eighteen castrated Nubian goats (initial body weight; BW = 35 kg) were individually housed to study the effects of dietary supplementation of soybean oil on the growth, carcass, blood characteristics, and conjugated linoleic acids (CLA) concentrations in muscle and subcutaneous fat. Goats were randomly assigned to one of three dietary treatments: without added soybean oil (control), 2.5% soybean oil, or 5.0% soybean oil. When the experiment was finished, 5 goats from each group were randomly selected for slaughtering and determining their carcass characteristics. Results of the study showed that the dietary supplementation of soybean oil did not significantly affect the growth and carcass characteristics. The concentrations of triglyceride and cholesterol in blood of goats fed with 5% soybean oil supplementation were significantly (P<0.05) higher than those of the control group. There was no difference in muscle CLA concentrations of goats meat among treatments. However, the concentration of CLA in the subcutaneous fat of goats fed soybean oil was significantly higher (P < 0.05) than that of the control. In addition, higher concentration of polyunsaturated fatty acids was found in the fatty acid composition of the goats fed with the soybean oil supplement. In conclusion, the dietary soybean oil supplementation did not improve the growth and carcass characteristics of the goats. Nevertheless, it significantly increased the CLA concentration in goat subcutaneous fat. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。