碩士 / 國立臺灣大學 / 漁業科學研究所 / 88 / Among the genus of Lutjanus, the Red striped snapper (Lutjanus erythropterus) with red-colored body, is suitable for the taste of Chinese people. It is most likely developing as the main kind of cultured fish using the seawater net cage culture in Taiwan. The aim of this study is to evaluate the effect of that using fermented soybean meal instead of fish meal for feed of the Red striped snapper and to explore its possible application.
This study is divided into two parts. One is that to add separately 30%, 20% and 10% of fermented soybean meal and essential amino acid into the feed to discuss the most suitable amount of fermented soybean meal in the feed of the Red striped snapper. The other is that in the case of fixed amount (20%) of fermented soybean meal , 3.5%, 8.5% and 13.5% of fish oil are added, respectively, into the feed to explore the utilization of lipid for the Red striped snapper.
After 50 days with the adding amount of fermented soybean meal up to 30 %, the weight gain (%) of the Red striped snapper is distinctly lower than controled. In the cases that the adding amount of fermented soybean meal are 20% and 10%, respectively, the weight gains are similar in between. According to the Broken-line analysis, the most suitable amount of fermented soybean meal added in the feed is 14.9%. If the extra amount of essential amino acid is added, the adding amount of fermented soybean meal in the feed is increasing up to 16.7% based on the Broken-line analysis.
After 50 days of feeding, the weight gain of the Red striped snapper increases with increasing lipid amount added in their feed. When the adding amount of lipid in their feed is 17.8%, their weight gain and feed conversion rate are 227% and 0.75, which are the best and 70% and 0.22 higher than controled, respectively.
| Identifer | oai:union.ndltd.org:TW/088NTU00451009 |
| Date | January 2000 |
| Creators | Nai-Wei Chu, 褚乃維 |
| Contributors | Wen-Liang Liao, 廖文亮 |
| Source Sets | National Digital Library of Theses and Dissertations in Taiwan |
| Language | zh-TW |
| Detected Language | English |
| Type | 學位論文 ; thesis |
| Format | 0 |
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