Effects of different aquaculture modes on growth, digestive enzyme activity and non-specific immunity of E. fuscoguttatus ♀×E. lanceolatus ♂ #br#

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Effects of different aquaculture modes on growth, digestive enzyme activity and non-specific immunity of E. fuscoguttatus ♀×E. lanceolatus ♂ #br#

(1 Guangdong Test Center of Marine Fisheries, Huizhou 516081, Guangdong, China;
2 College of Marine Sciences, South China Agricultural University, Guangzhou 510640, Guangdong, China;
3 College of Life Science, Southwest Forestry University, Kunming 650224, Yunnan, China)

Online:2019-10-31 Published:2019-08-20

不同养殖模式对虎龙杂交斑生长、消化酶活性及非特异性免疫的影响

（1 广东省海洋渔业试验中心，广东惠州516081；
2 华南农业大学海洋学院，广东广州 510640；
3 西南林业大学生命科学学院，云南昆明 650224）

通讯作者: 石和荣(1965—)，男，研究员，博士，研究方向：水产营养与免疫及水产养殖技术。E-mail：710112426@qq.com
作者简介:刘苏(1985—)，男，高级工程师，硕士，研究方向：海洋生物繁育与健康养殖。E-mail：306151183@qq.com
基金资助:
广东省自然科学基金（2017A030313099）；广东省科技计划项目（2015A020208002）；2018年促进经济发展专项资金（现代渔业发展用途）省级项目（SDYY-2018-04、SDYY-2018-10）

Abstract

Abstract: In order to study the effects of different aquaculture modes on growth, digestive enzyme activity and non-specific immunity of E. fuscoguttatus♀×E. lanceolatus♂, 360 healthy E. fuscoguttatus♀×E. lanceolatus♂ with initial weight of (143.22±12.48) g were selected and randomly assigned into industrial recirculating aquaculture (Group A), cage aquaculture in pond (Group B) and aquaculture in flowing water (Group C) for 56 days of test. The results showed that the survival rate, weight gain ratio and specific growth ratio , as well as GH and IGF - I in Group B were significantly higher than those in Group A and Group C (P<0.05), but the FCR in Group B was significantly lower than that in Group A and Group C (P<0.05). The activities of amylase and lipase in Group B were significantly higher than those in Group A and Group C (P<0.05), and the activity of protease in Group B and Group C was significantly higher than that in Group A (P<0.05). The content of MDA in Group B was significantly higher than that in Group A and Group C (P<0.05), and the content of LZM and the activity of SOD in Group A were significantly higher than those in Group B and Group C (P<0.05). The study shows that cage aquaculture in pond can better promote the growth and digestion of E. fuscoguttatus♀×E. lanceolatus♂, while industrial recirculating aquaculture is more conducive to improving the immunity.

Key words: aquaculture mode, E. fuscoguttatus♀×E. lanceolatus♂, growth, digestive enzyme, non-specific immunity

摘要： 为研究不同养殖模式对虎龙杂交斑生长、消化酶活性及非特异性免疫的影响，选取初始体质量为（143.22±12.48）g的健康虎龙杂交斑鱼种360尾，随机分为3个组：工厂化循环水养殖模式（A组）、池塘网箱养殖模式（B组）、流水养殖模式（C组），进行为期56 d的养殖试验。结果显示：B组的存活率、体质量增长率和特定生长率显著高于A组和C组（P<0.05），生长激素、胰岛素样生长因子-Ⅰ水平也显著高于A组和C组（P<0.05），其饲料系数（FCR）显著低于A组和C组（P<0.05）；B组肠道的淀粉酶和脂肪酶的活性显著高于A组和C组（P<0.05），B组和C组的蛋白酶活性显著高于A组（P<0.05）；B组血清丙二醛含量显著高于A组和C组（P<0.05），A组血清溶菌酶含量和超氧化岐化酶活性显著高于B组和C组（P<0.05）。研究表明：池塘网箱养殖模式能更好地促进虎龙杂交斑的生长和消化，工厂化养殖模式则更有利于提高鱼的免疫力。

关键词: 养殖模式, 虎龙杂交斑, 生长, 消化酶, 非特异性免疫

LIU Su1, ZHAO Huihong2, ZHANG Min1, GAN Songyong1, HE Qi1,2, LIU Xiaochun1,2,HUANG Jingjun2,3, WANG Qing2, YANG Yuqing1, ZHANG Haifa1, SHI Herong1 . Effects of different aquaculture modes on growth, digestive enzyme activity and non-specific immunity of E. fuscoguttatus ♀×E. lanceolatus ♂ #br#[J]. .

刘苏1，赵会宏2，张敏1，甘松永1，何琪1,2，柳小春1,2，黄景军2,3，王庆2，杨宇晴1，张海发1，石和荣1. 不同养殖模式对虎龙杂交斑生长、消化酶活性及非特异性免疫的影响[J]. 渔业现代化杂志.

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