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頁籤選單縮合
題名 | 不同品種鵝隻脂質合成有關酵素活性之研究 |
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作者 | 賴銘癸; 陳添福; 胡見龍; | 書刊名 | 畜產研究 |
卷期 | 27:1 1994.03[民83.03] |
頁次 | 頁81-86 |
分類號 | 437.75 |
關鍵詞 | 鵝; 脂質合成; 活性; 品種; Geese; Lipogenic related enzyme; Activity; Breed; |
語文 | 中文(Chinese) |
中文摘要 | 三個不同品種鵝隻在同一飼養條件下,0~4週齡以白羅曼鵝生長最快,灰色中國鵝最慢,以後的生長階段各品種間則無顯著差異。飼料利用效率亦很接近。血液組成方面,僅在4週齡時白色中國鵝的三酸甘油酯濃度顯著低於灰色中國鵝,然而膽固醇的濃度則顯著高於其他二個品種。肝重及腹脂重在品種間略有差異。肝臟中檸檬酸分解(ATP-citrate cleavage enzyme),蘋果酸去氫? (NADP-malic dehydrogenase) 及脂肪酸合成? (fatty acid synthetase)的活性在不同品種及不同年齡間均無顯著差異,這三種酵素的活性雖然與脂質的合成有極密切的關係,但並非影響脂肪蓄積的唯一因素。 |
英文摘要 | Fourty goslings of White Roman, Brown Chinese and White Chinese were used in this experiment. Day-old goslings were fed starting diet (ME 2900 kcal/kg, CP 20 %) for 4 weeks, then the geese were fed growing diet (ME 2750 kcal/kg, CP 13 %). from 5th to 16th weeks of age. The geese were weighed at 4, 12 and 16 weeks of age. Meanwhile, blood were withdrawn from 4 geese of each breed, then these geese were sacrificed. After the blood samples were centrifuged, the plasma was frozen at -20℃ for triglyceride and cholesterol determination. The liver and abdominal fat were weighed immediately and the activities of fatty acid synthetase, NADP-malate dehydrogenase and ATP-cleavage enzyme were measured. The body weight gain and feed efficiency of White Roman geese were better than those in Brown Chinese or White Chinese geese during 0~ 4 weeks of age, but the White Chinese geese became slightly better than those in the other two breeds thereafter. At 4 weeks of age, plasma triglyceride concentrations in White Chinese geese were lower than those in Brown Chinese geese (P< 0.05), but plasma cholesterol concentrations in White Chinese geese were higher than those in the other two breeds (P<0.05). There were slight difference in the weights of liver and abdominal fat, but no difference could be seen in the activities of fatty acid synthetase, NADP-malate dehydrogenase or ATP-cleavage enzyme among those three breeds. |
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