真鲷仔稚鱼微粒饲料中DHA与EPA最佳比例的研究  

Study on the optimum proportion of DHA and EPA in microdiets for red seabream (Pagrus major) larvae

作　　者：刘镜恪[1] 陈晓琳[1] 周利[1] 雷霁霖[2] 

机构地区：[1]中国科学院海洋研究所,山东青岛266071 [2]中国水产科学研究院黄海水产研究所,山东青岛266071

出　　处：《海洋科学》2004年第2期18-20,共3页Marine Sciences

基　　金：国家自然科学基金资助项目(30170731)

摘　　要：制备4种n-3HUFA含量相同 ,DHA和EPA含量比(m(DHA)∶m(EPA))分别为1.70∶1 ,2.00∶1,2.30∶1和2.60∶1的微粒饲料 ,探讨DHA与EPA的配比对真鲷 (Pagrusmajor)仔稚鱼生长、存活和体内相关成分的影响。30d的养殖试验结果表明 ,m(DHA)∶m(EPA)≥2.30∶1的2种微粒饲料与m(DHA)∶m(EPA)≤2.00∶1的2种微粒饲料相比 ,真鲷仔稚鱼的生长速度和成活率 ,前者明显优于后者。该比例即m(DHA)∶m(EPA)≥2.30∶1应是真鲷微粒饲料中DHA与EPA的最佳配比。养殖试验结束后 ,对仔稚鱼体内相关成分的分析结果表明 ,仔稚鱼体内DHA的含量随微粒饲料中DHA含量的增加而增大。The effect of different ratios of DHA and EPA in microdiets on growth, survival and the relative composition in the body of red bream larvae were studied. Four microdiets containing equal content of n-3 HUFA but differing ratios of DHA and EPA (1.70,2.00,2.30 and 2.60). Results after 30 days of culture show that growth and survival of larvae is higher on diets at a ratio of DHA/EPA≥2.30. After culture, analytical results of the relative composition in larvae bodies show that content of DHA in larval body increases with the increase of DHA in microdiets.

关 键 词：真鲷 微粒饲料 仔稚鱼 DHA EPA 最佳比例 

分 类 号：S965.231[农业科学—水产养殖] S963[农业科学—水产科学]