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.(PSSEC)是 ** 圣劳伦斯湾(NGSL)北方主要海洋鱼类和贝类商业捕捞的领导者,最近完成了与纽芬兰纪念大学 ** 的合作研究,研究了高流量通过水道遏制系统对 ** 快速生产大量绿色海胆卵的适用性。结果表明,该系统 ** 和先进的水产养殖饲料的组合使用可以明显实现这一目标。然而,鱼子的味道,以及在较小程度上的颜色,** 两者都不同,结果是所生产的鱼子的比例低于在 ** 国际市场上销售的标准。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提要的增强版本 ** 的适用性。由于PSSEC还寻求优化其现有和即将到来的设施,它需要测试其他类型的遏制系统的饲料。拟议的后续 ** 研究将测试三种增强版饲料在低流量通过遏制 ** 系统中的性能,以帮助优化饲料配方,同时最大限度地减少为海胆维持 ** 适当环境条件所需的水量。我们将在锥形水槽中进行喂养实验,将从野外收集的 ** 产卵前的海胆暴露在与先前研究中确定的相同的最佳水温下。海胆将喂食三种增强饲料中的任何一种。在整个过程中,将每周监测海胆的身体状态和 ** 存活率,以及饲料消耗量。在实验结束时,将通过味道小组和影响鱼子味道和颜色的关键生化化合物 ** 的分析来评估鱼子的产量和质量 **。从这种不断增长的大学-工业合作中收集的信息将被PSSEC用于研究其向鱼贩提供的物种范围多样化的可能性,同时 ** 将其自己的一部分产品直接出口到区域和国际市场。

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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