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首页> 外文期刊>Aquaculture International >Echinoculture: the rearing of Paracentrotus lividus in a recirculating aquaculture system-experiments of artificial diets for the maintenance of sexual maturation
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Echinoculture: the rearing of Paracentrotus lividus in a recirculating aquaculture system-experiments of artificial diets for the maintenance of sexual maturation

机译：Echinoculture：在循环水产养殖系统中饲养licentusus lividus-人工饮食用于维持性成熟的实验

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摘要

Over the past 5 years, with the growth of fish production and the improvement of distribution channels, the global fish food demand has also grown; in such a context, natural stocks of Echinoderms have suffered a marked reduction in production. This scenario was exacerbated for Pararacentrotus lividus by the fact that this species was recognized worldwide among the most reliable as a bioindicator, and its gametes have been used for biological assays for monitoring marine pollution. In this study, we focused on the maintenance of mature stage in adults of P. lividus using artificial diets. Two diets were tested: the first consisted of a mixture of maize and fresh seaweed, whereas the second diet was composed of maize and spinach leaves. The diets employed in this study, in combination with a 10H L: 14H D light regime and a water temperature of 14 A degrees C, ensured the maintenance of animals into a mature stage for a 4-month period. This breeding period permitted them to overcome the summer months during which it is not possible to obtain gametes from organisms belonging to wild population at our latitude. Meanwhile, diets guaranteed a considerable gonadal growth when compared with the natural population.
机译：在过去的五年中，随着鱼类产量的增长和分销渠道的改善，全球鱼类食品需求也有所增长。在这种情况下，棘皮动物的自然种群产量明显减少。由于该物种被全世界公认为是最可靠的生物指示剂，并且其配子已被用于监测海洋污染的生物测定中，这一事实加剧了这种现象。在这项研究中，我们集中于使用人工饮食来维持青枯病成虫的成熟阶段。测试了两种饮食：第一种饮食由玉米和新鲜海藻的混合物组成，而第二种饮食由玉米和菠菜叶组成。在这项研究中采用的饮食，结合10H L：14H D光照方案和14 A摄氏度的水温，确保了动物在四个月内进入成熟阶段。这个繁殖期使他们克服了夏季的困难，因为在夏季，不可能从我们纬度的野生种群的有机体中获得配子。同时，与自然人口相比，饮食保证了相当大的性腺生长。

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