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引用本文:卢 静,黎中宝,陈 强,李文静,黄永春.饲料添加多维对欧洲鳗鲡(Anguilla anguilla)生长性能、消化酶活性和免疫的影响.海洋与湖沼,2014,45(3):589-594.
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饲料添加多维对欧洲鳗鲡(Anguilla anguilla)生长性能、消化酶活性和免疫的影响
卢静,黎中宝,陈强,李文静,黄永春
集美大学水产学院,集美大学水产学院;福建省海洋渔业资源与生态环境重点试验室;鳗鲡现代产业技术教育部工程研究中心,集美大学水产学院;福建省海洋渔业资源与生态环境重点试验室,集美大学水产学院;福建省海洋渔业资源与生态环境重点试验室,集美大学水产学院;福建省海洋渔业资源与生态环境重点试验室
摘要:
采用单因子试验设计方法, 研究了饲料中添加多维对欧洲鳗鲡(Anguilla anguilla)生长性能、消化酶活性和免疫的影响。试验用鳗(5.93±0.02)g, 分6组(每组3重复, 每个重复30尾鱼), 分别投喂添加不同浓度(0%, 0.25%, 0.50%, 0.75%, 1.00%, 1.25%)的多维饲料42d。结果表明, 随着多维添加水平的上升, 各组鳗鲡增重率和特定生长率呈先升高后降低趋势, 且差异显著(P < 0.05), 当多维浓度为0.75%时增重率达最高峰值。鳗鲡的肝体指数和肥满度受多维影响较小, 在各组间均无显著差异(P > 0.05)。饲料中添加0.75%浓度的多维显著降低了鱼体水分含量, 使鱼体粗蛋白和灰分含量得到显著提高(P < 0.05), 但各试验组鳗鲡粗脂肪含量并无显著差异(P > 0.05)。相比对照组, 各添加组鳗鲡肠道胰蛋白酶、淀粉酶、脂肪酶活性及血清超氧化物歧化酶、溶菌酶和碱性磷酸酶活性均得到显著提高(P < 0.05), 且0.75%组鳗鲡血清总蛋白浓度达到最大(P < 0.05)。综合本研究结果可知多维在饲料中的适宜添加水平为0.75%。
关键词:  欧洲鳗鲡  多维  生长性能  消化酶  免疫力
DOI:10.11693/hyhz20140300074
分类号:
基金项目:厦门市科技项目, 鳗鲡环保型抗病促长添加剂的研制, 3502Z20123026 号
附件
EFFECTS OF THE DIFFERENT LEVELS OF DIETARY MULTIVITAMIN ON GROWTH PERFORMANCE, ACTIVITIES OF DIGESTIVE ENZYMES AND IMMUNE RESPONSE OF ANGUILLA ANGUILLA
lujing,lizhongbao,chenqiang,liwenjing and huangyongchun
Fisheries College of Jimei University,Fisheries College of Jimei University; Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco—environment; Anguilla modern industrial technology engineering research center,Fisheries College of Jimei University; Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco—environment,Fisheries College of Jimei University; Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco—environment,Fisheries College of Jimei University; Fujian Provincial Key Laboratory of Marine Fishery Resources and Eco—environment
Abstract:
A single-factor experiment was conducted to study the effects of dietary multivitamin on growth performance, activities of digestive enzymes and immune response of Anguilla anguilla. A. anguilla juveniles [body weight (5.93 ± 0.02)g] were randomly divided into 6 treatments (with 3 replicates each, 30 fishes for each replicate). Six experimental diets were prepared (adding 0%, 0.25%, 0.5%, 0.75%, 1.0%, 1.25% multivitamin), respectively to feed anguilla for 42d. The results showed that with increase of dietary multivitamin level, eel weight gain ratio and the specific growth ratio in each group showed a trend of first rising then falling, and got to a significant difference finally (P < 0.05). While the concentration of multivitamin was 0.75%, weight gain ratio had reached the highest peak. Hepatosomatic index and condition factor had no apparent change among the groups. At inclusion of 0.75% level, the body moisture decreased notably (P < 0.05), and the crude protein and the ash increased significantly (P < 0.05), but no significant differences among the crude lipid content (P > 0.05), compared with the control group. Based on the results of the trial above, the recornmented of dose of multivitamin in diets of A. anguilla is 0.75%.
Key words:  Anguilla anguilla  multivitamin  growth performance  activities of digestive enzymes  immune response
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