Suitability of enhanced aquaculture feeds for commercial production of green sea urchin roe in a low-flow environment

强化水产养殖饲料在低流量环境下商业化绿海胆籽生产的适用性

基本信息

  • 批准号:
    536872-2018
  • 负责人:
  • 金额:
    $ 0.91万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Engage Plus Grants Program
  • 财政年份:
    2018
  • 资助国家:
    加拿大
  • 起止时间:
    2018-01-01 至 2019-12-31
  • 项目状态:
    已结题

项目摘要

Pêcheries Shipek S.E.C. (PSSEC), a leader in commercial harvesting of key marine fish and shellfish species in**the northern Gulf of St. Lawrence (NGSL), recently completed collaborative research with Memorial**University of Newfoundland examining the suitability of a high-flow-through raceway containment system for**quick production of high volumes of green sea urchin roe. Results showed that the combined use of this system**and an advanced aquaculture feed can clearly achieve this goal. However, roe taste, and to a lesser extent color,**both varied with the consequence that a proportion of the roe produced was below standards for distribution on**international markets. The next logical step for PSSEC, therefore, is to test the suitability of enhanced versions**of the feed developed in the past few months. Because PSSEC also seeks to optimize its existing and**forthcoming facilities, it needs to test the feeds in other types of containment systems. The proposed follow-up**research will test the performance of three enhanced versions of the feed in a low-flow-through containment**system to help optimize the formulation of the feed, while minimizing the amount of water needed to maintain**proper environmental conditions for the urchins. We will carry out a feeding experiment in conical tanks with**pre-spawned urchins collected from the wild and exposed to the same optimal water temperature identified in**the previous research. Urchins will be fed with either of the three enhanced feeds. Urchins' physical state and**survival, as well as the amount of feed consumed, will be monitored weekly throughout. Roe yield and quality**will be assessed at the end of the experiment by a taste panel and with analysis of key biochemical compounds**affecting roe taste and color. Information gathered from this growing university-industry collaboration will be**used by PSSEC to examine the possibility of diversifying the range of species it provides to fishmongers, while**exporting a part of its own production directly to regional and international urchin roe markets.
Pêcheries Shipek S.E.C.圣劳伦斯湾 (NGSL) 北部主要海洋鱼类和贝类商业捕捞领域的领导者 PSSEC (PSSEC) 最近与纽芬兰纪念大学完成了合作研究,检验了高流量水道遏制系统对快速生产大量绿海胆卵的适用性。结果表明,结合使用该系统**和先进的水产养殖饲料可以明显实现这一目标。然而,鱼子的味道以及较小程度上的颜色**都存在差异,结果是所生产的鱼子的比例低于**国际市场的分销标准。因此,PSSEC 的下一个合乎逻辑的步骤是测试过去几个月开发的增强版本**的适用性。由于 PSSEC 还寻求优化其现有和**即将建成的设施,因此需要测试其他类型的安全壳系统中的馈电。拟议的后续**研究将在低流量遏制**系统中测试三种增强型饲料的性能,以帮助优化饲料配方,同时最大限度地减少维持**海胆适当环境条件所需的水量。我们将在锥形水箱中进行喂养实验,其中**产卵前的海胆从野外收集,并暴露在**先前研究中确定的相同最佳水温中。海胆将使用三种强化饲料中的任何一种进行喂养。海胆的身体状况和存活率以及饲料消耗量将每周进行监测。鱼子产量和质量**将在实验结束时由味觉小组进行评估,并分析影响鱼子味道和颜色的关键生化化合物**。 PSSEC 将利用从这一不断发展的大学与行业合作中收集的信息来研究其向鱼贩提供的物种范围多样化的可能性,同时**将其自己的部分产品直接出口到区域和国际海胆鱼子市场。

项目成果

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Gagnon, Patrick其他文献

Canopy-Forming Seaweeds in Urchin-Dominated Systems in Eastern Canada: Structuring Forces or Simple Prey for Keystone Grazers?
  • DOI:
    10.1371/journal.pone.0098204
  • 发表时间:
    2014-05-23
  • 期刊:
  • 影响因子:
    3.7
  • 作者:
    Blain, Caitlin;Gagnon, Patrick
  • 通讯作者:
    Gagnon, Patrick
Interactions between thermal and wave environments mediate intracellular acidity (H2SO4), growth, and mortality in the annual brown seaweed Desmarestia viridis
Organismal defenses versus environmentally mediated protection from herbivores:: Unraveling the puzzling case of Desmarestia viridis (Phaeophyta)
Spatial dynamics of the green sea urchin Strongylocentrotus droebachiensis in food-depleted habitats
  • DOI:
    10.3354/meps11787
  • 发表时间:
    2016-06-23
  • 期刊:
  • 影响因子:
    2.5
  • 作者:
    Frey, Desta L.;Gagnon, Patrick
  • 通讯作者:
    Gagnon, Patrick

Gagnon, Patrick的其他文献

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{{ truncateString('Gagnon, Patrick', 18)}}的其他基金

Structuring mechanisms and transformative potential of cold marine benthic ecosystems
冷海洋底栖生态系统的结构机制和变革潜力
  • 批准号:
    RGPIN-2021-03149
  • 财政年份:
    2022
  • 资助金额:
    $ 0.91万
  • 项目类别:
    Discovery Grants Program - Individual
Structuring mechanisms and transformative potential of cold marine benthic ecosystems
冷海洋底栖生态系统的结构机制和变革潜力
  • 批准号:
    RGPIN-2021-03149
  • 财政年份:
    2021
  • 资助金额:
    $ 0.91万
  • 项目类别:
    Discovery Grants Program - Individual
OFI SF5 Advanced capacity for autonomous detection of green sea urchin (Strongylocentrotus droebachiensis)
OFI SF5 先进的绿海胆自主检测能力(Strongylocentrotus droebachiensis)
  • 批准号:
    559820-2020
  • 财政年份:
    2020
  • 资助金额:
    $ 0.91万
  • 项目类别:
    Alliance Grants
Mechanisms of stability of urchin-dominated barrens in southeastern Newfoundland
纽芬兰东南部海胆为主的贫瘠之地的稳定机制
  • 批准号:
    RGPIN-2015-05343
  • 财政年份:
    2019
  • 资助金额:
    $ 0.91万
  • 项目类别:
    Discovery Grants Program - Individual
Mechanisms of stability of urchin-dominated barrens in southeastern Newfoundland
纽芬兰东南部海胆为主的贫瘠之地的稳定机制
  • 批准号:
    RGPIN-2015-05343
  • 财政年份:
    2018
  • 资助金额:
    $ 0.91万
  • 项目类别:
    Discovery Grants Program - Individual
Effects of stocking density on behaviour and roe yield in kelp-fed green sea urchins (Strongylocentrotus droebachiensis) farmed in a custom-made raceway
放养密度对定制水道养殖的海带喂养绿海胆 (Strongylocentrotus droebachiensis) 行为和鱼子产量的影响
  • 批准号:
    517775-2017
  • 财政年份:
    2017
  • 资助金额:
    $ 0.91万
  • 项目类别:
    Engage Grants Program
Mechanisms of stability of urchin-dominated barrens in southeastern Newfoundland
纽芬兰东南部海胆为主的贫瘠之地的稳定机制
  • 批准号:
    RGPIN-2015-05343
  • 财政年份:
    2017
  • 资助金额:
    $ 0.91万
  • 项目类别:
    Discovery Grants Program - Individual
Investigation of a novel approach to land-based production of green sea urchin roe in Newfoundland
纽芬兰陆上绿海胆籽生产新方法的研究
  • 批准号:
    506750-2016
  • 财政年份:
    2016
  • 资助金额:
    $ 0.91万
  • 项目类别:
    Engage Grants Program
Mechanisms of stability of urchin-dominated barrens in southeastern Newfoundland
纽芬兰东南部海胆为主的贫瘠之地的稳定机制
  • 批准号:
    RGPIN-2015-05343
  • 财政年份:
    2016
  • 资助金额:
    $ 0.91万
  • 项目类别:
    Discovery Grants Program - Individual
Mechanisms of stability of urchin-dominated barrens in southeastern Newfoundland
纽芬兰东南部海胆为主的贫瘠之地的稳定机制
  • 批准号:
    RGPIN-2015-05343
  • 财政年份:
    2015
  • 资助金额:
    $ 0.91万
  • 项目类别:
    Discovery Grants Program - Individual

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