中国海洋大学学报（自然科学版）2012，Vol.42Issue(3)：36-43,8.
饲料中过量添加晶体蛋氨酸和蛋氨酸羟基类似物对大菱鲆生长、饲料利用和抗氧化反应的影响
The Influence of Overdose Dietary DL-Methionine or HMTBA on Growth, Feed Utilization and Anti-Oxidant Responses of Turbot (Scophthalmus maximus L.)
摘要
Abstract
A growth experiment was conducted to evaluate the influence of overdose dietary DL-methio-nine (Met) or 2-Hydroxy-4- (Methylthio) butanoic acid (HMTBA) on turbot (initial body weight: (5. 49 ±0. 01) g). The control contained 1. 35% Met and 0. 22% HMTBA. Five different doses of Met or HMTBA were added to the basal diet, respectively. Finally, 6 experimental diets were formulated, and the analyzed levels of Met or HMTBA in diets are as follows: Met: 1. 35%, 1. 83%, 2. 50%, 1. 45%, 1. 37%, 2. 51%; HMTBA: 0. 22%, 0. 22%, 0. 22%, 0. 63%, 1. 38% and 0. 29%. Each diet was fed to five replicate groups of turbot for 10 weeks. Results showed that no significant differences in growth responses were found among dietary treatments (P>0. 05). No significant difference was observed in body composition, condition factor (CF), visceral indexes (VSI), and hepatosomatic indexes (HIS) (P> 0. 05), but the content of body protein of fish in treatment of diet 6 was significantly lower than those in the control and diet 2 (P<0. 05). No significant differences in hepatic catalase activity, superoxide dis-mutase activity, thiobar-bituric acid reactive substances value were found in liver (P>0. 05). In conclusion, overdose dietary DL-Met (1. 31 - 1. 73 times) or HMTBA (1. 32-1. 75 times) had no significant effects on growth, feed utilization and anti-oxidant responses in turbot under the current experimental conditions.关键词
大菱鲆/DL-蛋氨酸/蛋氨酸羟基类似物/生长性能/抗氧化Key words
Turbot/DL-methionine/HMTBA/growth/anti-oxidation分类
农业科技引用本文复制引用
侯华鹏,马睿,张文兵,麦康森..饲料中过量添加晶体蛋氨酸和蛋氨酸羟基类似物对大菱鲆生长、饲料利用和抗氧化反应的影响[J].中国海洋大学学报（自然科学版）,2012,42(3):36-43,8.基金项目
国家自然科学基金项目(31072219)资助 （31072219）
