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海水繁養殖研究(2003~2006)

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  • 日期: 2019-08-23
海水繁養殖研究(2003~2006)-飼料中添加攝餌促進物質對烏魚稚魚成長及消化酵素活性之影響(I)
主題: 飼料中添加攝餌促進物質對烏魚稚魚成長及消化酵素活性之影響(I)
摘要:
本試驗主要目的是研究飼料中添加攝餌促進物質對烏魚稚魚成長及消化酵素活性之影響。試驗飼料以魚粉及黃豆粉為蛋白源(粗蛋白質25%),分別為加入1.5%、3.0%、4.5%三種含量之攝餌促進物質於飼料中。經七週飼育結果,對消化酵素活性之影響方面,烏魚消化道內蛋白酶、脂肪酶、澱粉酶活性有添加攝餌促進物質組高於不添加攝餌促進物質組;但統計分析結果只有鹼性蛋白酶及脂肪酶活性,有添加攝餌促進物質組顯著高於不添加組(除1.5%攝餌促進物質添加組外)。各組在增重率、總攝餌量、飼料效率方面有添加攝餌促進物質組顯著高於不添加攝餌促進物質組(P < 0.05),但不同攝餌促進物質添加量之組間(1.5%至4.5%之間)均無顯著差異,由以上結果顯示添加1.5%攝餌促進物質已可足夠達到促進烏魚成長的目的。
出版日期: 2003/6/30
報告來源:
作者: 黃麗月 周麗梅 丁雲源
卷: 1
期別: 1
頁碼: 21-28
作者 auther(英): Lie-Yueh Hwang, Lie-Mei Joe and Yun-Yuan Ting
標題title(英): Effects of dietary attractant supplementation on the growth and digestive enzyme activities in mullet, Mugil cephalus (I)
摘要abstract(英): The objectives of this experiment were to study the effects of feeding attractant supplementation on the growth and digestive enzyme activities in mullet, Mugil cephalus. The fish meal and soybean meal were used as protein source in basal diets (25 % crude protein). Three inclusion levels were tested for feeding attractant (1.5%, 3.0% and 4.5%). The enzyme activities of protease, lipase and amylase in the group fed with the diets with feeding attractant group were higher than that of diets without feeding attractant. Except the 1.5% feeding attractant group, the attractant group had significantly higher alkaline protease and lipase activities in digestive tract than the diet without adding any attractant (P < 0.05). Mullet reared on the attractant diets for 7 weeks showed significantly high weight gain, total intake and feed efficiency compared with the diet without adding any attractant (P < 0.05). There is no significant improvement on growth among 1.5%, 3.0% and 4.5% level of supplemental feeding attractant, hence, for less cost, 1.5% is suggested.
使用語言: 中文
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