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頁籤選單縮合
題名 | The Effect of Hot-water Extract of Sargassum cristaefolium on Growth, Innate Immune Responses and Resistance of Grouper, Epinephelus coiodes=重緣葉馬尾藻熱水萃取物對於點帶石斑成長、免疫及抗病能力之影響 |
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作者姓名(中文) | 翁韶蓮; 高良華; 張欽泉; 鄭文騰; | 書刊名 | 臺灣水產學會刊 |
卷期 | 40:1 2013.03[民102.03] |
頁次 | 頁11-26 |
分類號 | 439.5 |
關鍵詞 | 重緣葉馬尾藻; 點帶石斑; 鏈球菌; 虹彩病毒; 成長表現; 免疫反應; Sargassum cristaefolium; Epinephelus coiodes; Streptococcus sp.; Iridovirus; Growth performance; Immune responses; |
語文 | 英文(English) |
中文摘要 | 以添加不同濃度重緣葉馬尾藻熱水萃取物0、0.5、1及2 g/kg之飼料餵飼點帶石斑(Epinephelus coioides),評估其對成長、免疫反應及對病原感染抵抗力之影響。在成長表現方面,結果顯示點帶石斑餵飼添加重緣葉馬尾藻熱水萃取物之飼料可顯著提升其飼料轉換率和增重率。在攻擊試驗部份,點帶石斑餵飼含重緣葉馬尾藻熱水萃取物之飼料9天後以鏈球菌和虹彩病毒感染,其存活率明顯地高於控制組。免疫反應結果顯示,點帶石斑餵飼添加重緣葉馬尾藻熱水萃取物之飼料9天後,其超氧離子、超氧歧化酵素、吞噬活性、血清溶菌酶活性、補體替代路徑活性明顯地增加。因此,重緣葉馬尾藻熱水萃取物應用於飼料中,可增進點帶石斑的飼料效益和成長的表現,且提升石斑魚免疫能力,強化其對鏈球菌和虹彩病毒感染之抵抗力。 |
英文摘要 | Growth, non-specific immune responses, and resistance of grouper Epinephelus coiodes to bacterial and viral infection were evaluated after feeding the diets containing the hot-water extract of Sargassum cristaefolium (SCE) at 0, 0.5, 1, and 2 g/kg diet. In the growth performance, the results showed that the feed efficiency, percent weight gain of the E. coiodes fed SCE-containing diets at 0.5, 1 and 2 g/kg increased significantly. In the challenge test, survival rates of E. coiodes fed 0.5, 1 and 2 g/kg SCEcontaining diets for 9 days and then challenged with Streptococcus spp. and iridovirus were significantly higher than those in the control group. The results of immune responses showed that respiratory burst, superoxide dismutase (SOD) activity, phagocytic activity, lysozyme activity and ACH50 of E. coiodes fed SCE-containing diets increased significantly after 9 days of feeding trial. We therefore recommend the applications of hot-water extract of S. cristaefolium to administrate into diets are capable to increase the efficiency of diets and growth, and to enhance the immunity and resistance to infections of Streptococcus sp. and iridovirus. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。