| 黄 忠1，赵书燕1，2，林黑着1，杨小立3，廖经球3，周传朋1，戚常乐1，2.饲料蛋白中添加虾蛋白肽对珍珠龙胆石斑鱼幼鱼生长性能和抗氧化指标的影响[J].广东农业科学,2017,44(3):128-135 |
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饲料蛋白中添加虾蛋白肽对珍珠龙胆石斑鱼幼鱼生长性能和抗氧化指标的影响 |
| Effects of dietary shrimp protein-peptides on growthperformance and antioxidant indices of juvenileEpinephelus lanceolatus×E. fuscoguttatussunder two dietary protein levels |
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| DOI：10.16768/j.issn.1004-874X.2017.03.019 |
| 中文关键词: 蛋白水平 虾蛋白肽 珍珠龙胆石斑鱼 生长性能 抗氧化指标 |
| 英文关键词: dietary protein concentration shrimp protein-peptides Epinephelus lanceolatus×E. fuscoguttatuss growth performance antioxidant indices |
| 基金项目:国家公益性行业（农业）科研专项（201403011） |
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| 中文摘要: |
| 为研究两种蛋白水平下添加虾蛋白肽对珍珠龙胆石斑鱼幼鱼生长性能和抗氧化指标的影响，
设计6 种饲料，以440、480 g/kg 两种饲料蛋白与0、10 和20 g/kg 3 种虾蛋白肽添加量配制。结果显示，相
同蛋白水平下，石斑鱼的终末均重和增重率均随着虾蛋白肽水平的上升而先上升后下降，10 g/kg 虾蛋白肽
组显著高于0、20 g/kg 虾蛋白肽组；虾蛋白肽添加量相同时，480 g/kg 饲料蛋白组显著高于440 g/kg 饲料蛋
白组。蛋白质效率、肌肉粗蛋白和粗脂肪含量、血清AST 和ALT 活力、肝脏CAT 和T-AOC 活力的变化规
律与增重率类似。饵料系数、血糖含量和肝脏MDA 含量的变化规律则与之相反。试验结果表明，在不同蛋
白水平的饲料中添加虾蛋白肽均能促进珍珠龙胆石斑鱼幼鱼的生长，并提高其抗氧化能力，但添加量过高
会产生抑制作用，因此，虾蛋白肽适宜添加量为10 g/kg。 |
| 英文摘要: |
| To investigate the effects of dietary shrimp protein-peptides（ SPP） on growth performance and
antioxidant indices of juvenile Epinephelus lanceolatus×E. fuscoguttatuss under two dietary protein levels，six diets
were formulated to contain two crude protein（ CP） concentrations（ 440 g/kg and 440 g/kg） and three SPP levels
（0 g/kg，10 g/kg and 20 g/kg）. Each diet was randomly assigned to triplicate treatments of 20 fishes for 8 weeks， and the initial body weight of fish was 13.67（±0.11）g. The results indicated that when the dietary protein
concentration was the same，the final body weight（ FBW） and weight gain rate（ WGR） significantly increased with
SPP level increasing to 10 g/kg，beyond which a decrease was observed. When the SPP level was the same，FBW
and WG of 480 g/kg CP group were significantly higher than those of 440 g/kg CP group. The change trends of protein
efficiency ratio，muscle crude protein and crude fat contents，serum AST and ALT activities，hepatic CAT and T-AOC
activities were similar with WGR. Meanwhile，the change trends of feed conversion ratio，serum glucose content
and liver MDA content were the opposite with WGR. In summary，adding SPP in diets containing different protein
concentrations could promote the growth performance of juvenile E. lanceolatus×E. fuscoguttatuss，and increase its
antioxidant capacity，but adding too high level of SPP would cause inhibition. Therefore，the suitable SPP level was is
10 g/kg. |
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