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頁籤選單縮合
題名 | 純種布拉曼與聖達牛及其與德國黃牛雜交公牛屠體性狀之研究=Carcass Characteristics of Brahman, Santa Gertrudis Bulls and Their Gelbvieh-Sired Crossbred Bulls in Southern Taiwan |
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作者 | 蘇安國; 李光復; 溫上湘; 黃政齊; 吳錦賢; 楊深玄; 成游貴; | 書刊名 | 畜產研究 |
卷期 | 30:2 1997.06[民86.06] |
頁次 | 頁161-169 |
分類號 | 473.6 |
關鍵詞 | 聖達; 布拉曼; 德國黃牛; 雜種牛; 屠體性狀; Santa gertrudis; Brahman; Gelbvieh; Crossbred; Carcass characteristics; |
語文 | 中文(Chinese) |
中文摘要 | 151頭產於1989, 1991, 1992 及 1993 年之純種聖達(SGXSG),德聖雜種(GVXSG) , 純種布拉曼 (BR x BR) 及德布雜種 (GV x BR) 之公牛, 以圈飼肥育方式飼養至體重達 550 kg 或 2 歲齡時屠宰,進行屠體品質測定,結果顯示,在屠體重及體腔脂重等並無品種 間的差異, 但在屠宰率及背脂厚度方面, 布拉曼牛則有顯著的高屠宰率與較薄的背脂 (P<0.05)。雖然德聖雜種公牛的腰眼面積較大,且腰眼的品質評分較高,但與其他品種間無 顯著差異。在精肉生產量方面,以德布雜種最高,並且在品種間及品種與公牛交感效應間有 差異存在 (P<0.05)。 在整隻牛的精肉零售價方面,以德布雜種所產生的牛肉價值顯著較其 他品種為高,且有品種間差異存在 (P<0.05)。 由以上結果顯示,利用德國黃牛雜交布拉曼 及聖達牛所生之後代,在屠體性狀方面可獲得顯著之改善。 |
英文摘要 | A total of one hundred and fifty-one bulls from four breed types; Santa Gertrudis (SG), Brahman (BR), Gelbvieh (GV) x SG and GV x BR, from four-year calf crops (1989, 1991, 1992 and 1993) were fattended and slaughtered at eighter 550 kg of body weight or at two years of age. The results showed that the Brahman bulls had highest dressing percentage and lowest back fat thickness than the other bulls, and there were significant difference among four breeds (P<0.05). The carcass weight and the fat in body cavity among breeds were not significantly different. GV x SG bulls had larger longissimus muscle area and better quality than other bulls in carcass. Nevertheless, there were no significant differences. GV x BR bulls produced more lean meat and had highest retail price of carcass than other bulls and the differences were significant (P<0.05). These results indicated that the carcass quality could be improved by crossbreeding from Gelbvieh-sired crossbreds, and Santa Gertrudis. |
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