张艺,徐玮,崔丽卿,汪东风

• 1:中国海洋大学食品科学与工程学院

摘要(Abstract)：

以基础饲料中添加500mg/kg壳寡糖(Chitosan oligosaccharide,COS)喂养初始体质量为(12.2±0.01)g的大菱鲆(Scophthalmus maximus L.)8周,研究COS对大菱鲆生长、血清免疫相关酶活性和抵抗迟缓爱德华氏菌感染能力的影响。结果表明:饲料中添加壳寡糖后,大菱鲆成活率得到提高,特定生长率和增重率分别提高了15.79%和25.26%。相比对照组,饲料中添加壳寡糖饲养的大菱鲆血液中性粒细胞的吞噬指数提高了4.51%,酸性磷酸酶活性提高了32.89%,同时,大菱鲆抵抗迟缓爱德华氏菌感染的免疫保护力显著增强(P<0.05)。研究表明,在饲料中添加壳寡糖能够提高大菱鲆的生长、非特异性免疫功能和免疫保护力。

关键词(KeyWords)： 壳寡糖;大菱鲆;生长;免疫

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(30972289);; 山东省自然科学基金项目(ZR2009DM026);; “十一五”国家科技支撑计划项目(2008BAD94B09)资助

作者(Author): 张艺,徐玮,崔丽卿,汪东风

DOI: 10.16441/j.cnki.hdxb.2012.10.011

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