喹烯酮对建鲤和斑点叉尾鮰生长性能和抗缺氧能力的影响
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刘永涛(1979-),男,博士,副研究员,研究方向为水产动物药理和水产品质量安全,thincat2005@sina.com

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现代农业技术体系专项资金(CARS-49);中国水产科学研究院基本科研业务费资助(2016JBF0104)


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    摘要:

     在池塘养殖条件下,饲料中添加3个不同含量(50、 75和100 mg/kg)的喹烯酮来饲养建鲤(Cyprinus carpio var. Jian)和斑点叉尾鮰(Ietalurus Punetaus),养殖周期为60 d,研究喹烯酮对建鲤和斑点叉尾鮰生长性能和抗缺氧能力的影响。结果表明:与不添加喹烯酮的对照组相比,添加喹烯酮的实验组中建鲤和斑点叉尾鮰生长速度加快,死亡率降低,饲料系数下降。当饲料中添加喹烯酮的剂量为75 mg/kg时,其对建鲤和斑点叉尾鮰的生长效率提高最佳(P<0.05),饲料系数最低,成活率最高。在75 mg/kg的喹烯酮添加量下,建鲤和斑点叉尾鮰的抗缺氧能力、血细胞和血红蛋白量均有提高,但与对照组相比,差异均不显著(P>0.05)。饲料中添加喹烯酮对建鲤和斑点叉尾鮰生长性能的作用呈现非剂量依赖性,而且添加75 mg/kg喹烯酮对其抗缺氧能力影响不显著(P>0.05)。研究表明,建鲤和斑点叉尾鮰养殖中喹烯酮的最适用量为75 mg/kg。

    Abstract:

     The growth performance and the anti-hypoxic capacity of Jian carp (Cyprinus carpio var. Jian) and Channel catfish (Ietalurus Punetaus) fed with feedstuff in different doses (50 mg/kg、75 mg/kg and 100 mg/kg) of quinocetone for 60 d were investigated under the condition of pond culture. The results showd that the growth rate was increased, and mortality rate and feed coefficient was decreased when compared with the control group. The growth performance at the dose of 75 mg/kg group is better than the other dose groups (50 mg/kg and 100 mg/kg). Growth rates of Jian carp and Channel catfish of quinocetone groups were significantly higher than that of the control group (P<0.05), and the feed coefficient of quinocetone groups was significantly lower than that of the control group (P<0.05). Jian carp and Channel catfish of quinocetone groups were higher survival rates than those of the control group (P<0.05). However, anti-hypoxic capacity and the level of blood cells and hemoglobin of Jian carp (Cyprinus carpio var. Jian) and channel catfish (Ietalurus Punetaus) had no significant differences between 75 mg/kg dosage group and control group (P>0.05). Therefore, the growth rate was shown non-dose-dependently when they were feeded with quinocetone; in addition, anti-hypoxic capacity had no significant effect with or without 75 mg/kg quinocetone. Thus, 75 mg/kg quinocetone was recommended for aquaculture.

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刘永涛,等.喹烯酮对建鲤和斑点叉尾鮰生长性能和抗缺氧能力的影响[J].中国渔业质量与标准,2017,7(5):11-17.[J]. Chinese Fishery Quality and Standards,2017,7(5):11-17.

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