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題 名 | Dietary Zinc Requirements of Soft-shelled Turtle, Pelodiscus sinensis, Fed Diet with Soybean Meal as the Major Protein Source=以豆粉為主要蛋白源時甲魚對飼料鋅的需求 |
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作 者 | 郭書銘; 黃承輝; | 書刊名 | 臺灣水產學會刊 |
卷 期 | 40:2 2013.06[民102.06] |
頁 次 | 頁117-124 |
分類號 | 439.65 |
關鍵詞 | 植酸; 中華鱉; 豆粉; 鋅需求; Phytic acid; Soft-shelled turtles; Soybean meal; Zinc requirement; |
語 文 | 英文(English) |
中文摘要 | 本養殖試驗使用含50%脫殼豆粉之飼料投餵甲魚進行八周之飼料鋅需求試驗。八組試驗飼料之實測鋅濃度分別為27,46,65,85,105,124,151,178mg/kg,飼料之植酸分析值為11.2g/kg。骨骼與背甲鋅濃度隨著飼料鋅含量增加而上升,直到約85mg Zn/kg後趨於穩定。以迴歸模式分析並使用增重率、骨骼與背甲鋅濃度為指標,求得在飼料含50%脫殼豆粉時(植酸11.2 g/kg),甲魚對飼料鋅之需求估計值分別為96.5、100與90 mg/kg。 |
英文摘要 | A feeding trial was conducted to estimate the dietary zinc (Zn) requirement of soft-shelled turtles fed diet containing 50% de-hulled soybean meal for 8 weeks. Soft-shelled turtles of 4.6 g mean body weight were fed soybean meal-based diets containing 27, 46, 65, 85, 105, 124, 151, and 178mg Zn/kg diet. The phytic acid content of the diets was 11.2g/kg. Zinc contents in both carapace and bones increased when dietary Zn increased up to 85mg/kg; beyond this level, the Zn content in hard tissues was relatively stable. Based on broken-line or polynomial regression modeling, dietary Zn requirements using growth, bone Zn, and carapace Zn as the indicators were 96.5, 100, and 90mg/kg, respectively. |
本系統中英文摘要資訊取自各篇刊載內容。