鳉鱼的运输:盐的使用和以前的摄食对运输时间的影响

IF 1.3 Q3 FISHERIES

Journal of Applied Aquaculture Pub Date : 2021-07-21 DOI:10.1080/10454438.2021.1943102

C. O. Paranhos, L. Neves, W. S. E. Silva, R. K. Luz

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引用次数: 1

摘要

摘要本研究的目的是评估在不同的盐浓度和不同的运输时间以及不同的先前饮食的情况下，鞭毛虫在运输过程中的存活率和水质。在实验I中，使用了40只雄性（1.38±0.83g），测试的盐度为：0（对照）、2、4和6g/L盐。溶解氧在4g盐/L的浓度下最高，而在对照处理中较低（P＜0.05）。在实验II中，用商业日粮喂养的30只雄性（0.68±0.27g）和用卤虫喂养的30头雄性（1.48±1.00g）在12、24和48小时内被运输。运输后48小时的存活率较低（P＜0.05）。喂食饲料的动物的水pH值较高（P＜.05）。水温和水总氨随着运输时间的增加而增加（P＜005）。溶解氧在不喂食饲料的情况下都会下降（P＜05）。

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Transport of killifish Hypsolebias flagellatus: effects of salt use and previous feeding in association with transport time

ABSTRACT The aim of the study was to evaluate survival and water quality during the transport of Hypsolebias flagellatus using different concentrations of salt in water and different transport times in association with different previous diets. In experiment I, 40 males (1.38 ± 0.83 g) were used and the tested salinities were: 0 (control), 2, 4 and 6 g of salt/L. Dissolved oxygen was the highest in the concentration of 4 g of salt/L and lower in the control treatment (P <.05). In experiment II, 30 males fed (0.68 ± 0.27 g) with commercial diet and 30 males (1.48 ± 1.00 g) fed with artemia were transported during 12, 24 and 48 hours. The survival after transport was lower in 48 hours (P <.05). The water pH was higher in animals fed with diet (P <.05). The water temperature and water total ammonia increased with increasing transport time (P <.05). Dissolved oxygen decreases regardless of diet (P <.05).

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来源期刊

Journal of Applied Aquaculture Environmental Science-Ecology

CiteScore

3.20

自引率

0.00%

发文量

期刊介绍： The Journal of Applied Aquaculture is a platform for the sharing of practical information needed by researchers to meet the needs of investors, farm managers, extension agents and policy makers working to adapt aquaculture theory to achieve economic and food security objectives in the real world. The journal emphasizes multi-disciplinary research and case studies that propose financially and logistically viable solutions to observable problems.