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頁籤選單縮合
題 名 | 飼料添加攝餌促進物質對七星鱸成長及消化酵素活性之影響 =Effects of Dietary Feeding Stimulants Supplementation on the Growth and Digestive Enzyme Activities in Sea Bas (Lateolabrax japonicus) |
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作 者 | 黃麗月; 周麗梅; 葉信利; | 書刊名 | 水產研究 |
卷 期 | 17:1 2009.06[民98.06] |
頁 次 | 頁65-72 |
分類號 | 439.5 |
關鍵詞 | 飼料; 攝餌促進物質; 七星鱸; 消化酵素; Dietary; Feeding stimulant; Sea bass; Digestive enzyme; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究在探討飼料添加攝餌促進物質對七星鱸稚魚成長與消化酵素活性之影響。試驗飼料以魚粉為蛋白源 (粗蛋白 49%),分別添加 1%、2%、3%、4%、5% 五種含量攝餌促進物質,攝餌促進物質由L-丙胺酸、L-榖胺酸、L-精胺酸和核苷酸以2:2:2:1 (w/w/w/w) 所構成。經飼育初重20.4 g稚魚八週,結果顯示各組在總攝餌量、增重率及飼料效率方面,添加攝餌促進物質組顯著高於未添加組 (p < 0.05)。不同比例之添加組間 (1 ~ 5% 之間) 的總攝餌量及增重率方面,5% 攝餌促進物質組顯著高於其他添加組 (p < 0.05);在飼料效率方面仍以 5% 攝餌促進物質組最高,除 1% 組外,其餘添加組間無顯著差異。活存率介於87.2 ~ 94.9% 之間,且各組間無顯著差異 (p > 0.05)。七星鱸消化道之蛋白酶、脂肪酶、澱粉酶的活性,添加攝餌促進物質組的各組酵素活性顯著高於未添加組。綜合以上結果,七星鱸稚魚飼料中以添加5% 攝餌促進物質者成長最好。 |
英文摘要 | The objectives of this study were to investigate the effects of feeding stimulants as supplements of dietary on the growth and digestive enzyme activities in sea bass, Lateolabrax japonicus. Fish meal was used as main protein source in basal diets (49% crude protein). Composite feeding stimulants include L-Alanine, L-Glutamic acid, L-Arginine, Nucleotide (with ratio 2:2:2:1, w/w/w/w). Sea bass fed the stimulants added diets for eight weeks showed significantly higher total feed intake, weight gain and feed efficiency than those that fed without stimulants (p < 0.05). Among them, the 5% composite feeding stimulants added group was significantly higher than other groups in the total feed intake and weight gain (p < 0.05). The 5% group was higher than the 0% and 1% groups in feed efficiency. The survival rates (87.2 ~ 94.9%) were not significantly affected. The specific activities of protease, lipase and amylase in stimulants added groups were higher than those that fed without stimulants. The results showed that a supplement level of 5% composite feeding stimulants added had the best growth performance and highest digestive enzyme activities. |
本系統中英文摘要資訊取自各篇刊載內容。