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《集美大学学报（自然科学版）》[ISSN:1007-7405/CN:35-1186/N]

卷:

第28卷

期数:

2023年第2期

页码:

97-105

栏目:

水产、食品与生物工程

出版日期:

2023-03-28

文章信息/Info

Title:

Growth Performance and Ant-Stress Capacity of Yellow Drum Larvae Fed with Nutrition-Intensified Diet

作者:

叶坤1; 2; 闫云杰1; 2; 王秋荣1; 2; 王志勇1; 2; 陈庆凯3; 谢仰杰1; 2

（1.集美大学水产学院，福建厦门 361021；2.农业农村部东海海水健康养殖重点实验室，福建厦门 361021；3.福建省宁德市水产技术推广站，福建宁德 352100 ）

Author(s):

YE Kun1; 2; YAN Yunjie1; 2; WANG Qiurong1; 2; WANG Zhiyong1; 2; CHEN Qingkai3; XIE Yangjie1; 2

（1.Fisheries College,Jimei University，Xiamen 361021,China;2.Key Laboratory of Healthy Mariculture for the East China Sea,Ministry of Agriculture and Rural Affairs,Xiamen 361021,China;3.Fishery Technical Extension Station of Ningde City,Ningde 352100,China)

关键词:

黄姑鱼; 仔稚鱼; 营养强化; 生长性能; 抗逆性

Keywords:

yellow drum; larva; nutrition enhancement; growth performance; anti-stress

分类号:

-

DOI:

-

文献标志码:

A

摘要:

为研究饵料营养强化对黄姑鱼仔稚鱼生长性能和抗逆性的影响，以孵化后第10 天(10 dph)的黄姑鱼仔鱼（（0.16±0.01））g为研究对象，分别用经裂殖壶菌、乳化鱼油，以及浓缩小球藻强化的轮虫和卤虫无节幼体投喂黄姑鱼仔稚鱼。实验分为7个组：A组（对照组）投喂未强化轮虫；B组全程投喂浓缩小球藻强化的轮虫；C组全程投喂乳化鱼油强化的轮虫；D组全程投喂裂殖壶菌强化的轮虫；E组在10～22 dph（前期）投喂浓缩小球藻强化的轮虫，20～25 dph（后期）投喂浓缩小球藻强化的卤虫无节幼体；F组前期投喂乳化鱼油强化的轮虫，后期投喂乳化鱼油强化的卤虫无节幼体；G组前期投喂裂殖壶菌强化的轮虫，后期投喂裂殖壶菌强化的卤虫无节幼体。每组3个平行，每个平行12 000尾黄姑鱼仔鱼，养殖时间为15 d。实验结果显示：B组黄姑鱼仔稚鱼的增重率、特定生长率、成活率和肥满度高于对照组，但不显著（P>0.05），其他实验组黄姑鱼仔稚鱼的这4个指标都显著高于对照组（P＜0.05）;各组黄姑鱼稚鱼在经历干露刺激不同时间后，成活率为G组>F组>E组>A组、D组>C组>B组>A组；各组黄姑鱼稚鱼耐饥饿能力为G组>F组>E组>D组>C组>B组>A组，稚鱼的耐饥饿能力F、G和E组显著高于其他4组（P＜0.05）。实验结果表明：对黄姑鱼仔稚鱼的饵料（轮虫和卤虫无节幼体）进行营养强化，可以显著提高黄姑鱼仔稚鱼的生长性能和抗逆性，其中采用裂殖壶菌强化的效果最好，其次是用鱼油强化，再次是用浓缩小球藻强化；在适宜的养殖阶段（20～22日龄）进行饵料转换有利于提高黄姑鱼仔稚鱼的生长速度和抗逆性。

Abstract:

A 15-day feeding experiment was conducted to investigate the effects of dietary fed with nutrition-intensified diet on growth performance and anti-stress capacity of yellow drum larvae.Ten days post hatching (dph) yellow drum larvae were chosen for the study,and fed with the nutrition-intensified rotifer and artemia which were intensified by Schizochytrium sp.,emulsified fish oil,and concentrated Chlorella sp..Seven groups were designed and marked as A to G group.Each group were repeated three times with 12 000 yellow drum larvae,and fish were given rotifer with no intensify (the control,A),rotifer intensified by concentrated Chlorella sp.(B),rotifer intensified by emulsified fish oil (C),rotifer intensified by Schizochytrium sp.(D),rotifer (10-22 dph) and artemia (20-25 dph) intensified by concentrated Chlorella sp.(E),rotifer (10-22 dph) and artemia (20-25 dph) intensified by emulsified fish oil (F),and rotifer (10-22 dph) and artemia (20-25 dph) intensified by Schizochytrium sp.(G),respectively.Results showed that,the weight gain,specific growth rate,survival rate (SR),and condition factor of yellow drum larvae in group B were higher than the control but not remarkable (P>0.05),while those parameters of yellow drum larvae in other groups are significantly higher than the control(P＜0.05).The SR of yellow drum larvae in each group with drying stress showed the consequence that G>F>E>A and D>C>B>A,while the anti-hunger capacity of fish in group E,F,G was significantly higher than other groups(P＜0.05),and showed the consequence that G>F>E>D>C>B>A.In conclusion,diet with nutrition-intensified can significantly improve the growth performance and anti-stress capacity of yellow drum larvae.The performance of fish showed the best in dietary condition that rotifer and artemia were intensified by Schizochytrium sp.,while the performance followed by dietary condition that rotifer and artemia were intensified by emulsified fish oil,and concentrated Chlorella sp.,respectively.Besides,the conversion of dietary rotifer to artemia can also improve the growth performance and anti-stress capacity of yellow drum larvae (about 20-22 dph).

参考文献/References:

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更新日期/Last Update: 2023-07-13