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標題: | 飼料中添加藻粉對九孔幼貝成長之研究 The growth performance of juvenile Taiwanese abalone, Haliotis diversicolor, by supplemented algal meals |
作者: | Ter-Yan Lin 林德彥 |
出版年 : | 1996 |
學位: | 碩士 |
摘要: | 九孔為台灣重要的經濟養殖貝類,近年來在產量及養殖面積已大為增加,而投餵的餌料是以龍鬚菜為主,但此藻類的營養價值及品質是受各種環境因數影響,而無法掌握其產量及品質。所以對於九孔的營養需求,開發配合飼料的研究,以解決這些根本問題已是迫切需要。 本研究分為二部份。實驗一為探討微細藻粉(小球藻、擬球藻、螺旋藻)及大型藻粉(龍鬚菜、石蒪、裙帶菜、海帶),添加在飼料中對九孔成長的影響。實驗二為探討不同蛋白質來源及依據實驗一結果,添加35%螺旋藻粉之成長效果最好而設計不同添加量,以及添加不同含量龍鬚菜粉對九孔成長的影響。各實驗結果如下: 1.實驗一添加35%螺旋藻粉組對九孔之成長最佳,海帶組最差,其餘各藻粉組差異不大。 2.實驗二在不同蛋白質來源之研究上,以魚粉及大豆粉(22%及35%)混合組成長效果較好,大豆粉組成長較差。 3.實驗二添加螺旋藻粉之各組成長效果皆佳,以添加15%之螺旋藻在蛋白質含量僅20%,亦有良好之成長效果。 4.添加龍鬚菜粉之成長效果,以添加10%為最佳。 5.各配合飼料組之肌肉中游離氨基酸的呈味氨基酸 (Alanine、Glycine、Glutamate及Arginine)含量皆較新鮮龍鬚菜組高。 經實驗結果,建議在配合飼料中添加5-15%螺旋藻粉,對九孔成長有較佳效果。 Taiwanese abalone is a kind of economically valuable shellfish in aquaculture. In recent years, the production and culture area have increased rapidly in Taiwan. The feed is mainly of Gracilaria. However, the quality and quantity are influenced by the environment conditions, that is the control of their quality and quantity is exceeding difficult. Therefore, its urgent to search in the feed to meet its nutritional requirements. This study divided into two parts. Experiment I is conducted to investigate the influence on the growth of Taiwanese abalone by supplemented of microalgal meal (Chlorella, Nannochloropsis, Spiralina) and macroalgal meal (Gracilaria, Ulva, Undaria, Lamilaria). Experiment II is to study on the growth of different sources of protein, optimum Spirulina and Gracilaria requirement of Taiwanese abalone. Results are as follows: 1. In Experiment I, The growth of 35% Spirulina meal diet was the best among the experimental diets. 2. In experiment II, Taiwanese abalone fed diet 5 which was supplemented with fish meal and soybean meal (22 and 35%) grew faster than diets casein, fish meal and soybean meal. 3. In Experiment II, the growth of 15% Spirulina meal group was better than that of 25% and 35% Spirulina meal groups, although 15% Spirulina meal group protein levels was 20%. 4. The optimum Gracilaria requirement was 10% in diet. 5. The amount of taste amino acid (Alanine, Glycine, Glutamate and Arginine) of free amino acid in the muscle of artificial diets were higher than that of fresh Gracilaria. These results suggest that effect on the growth of Taiwanese abalone by supplemented of 5-15% Spirulina meal in artificial diets were the best. |
URI: | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/76249 |
全文授權: | 未授權 |
顯示於系所單位: | 漁業科學研究所 |
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