Feasibility of Using Landlocked Atlantic Salmon (Salmo Salar) for Marine Culture

利用内陆大西洋鲑鱼（Salmo Salar）进行海洋养殖的可行性

• 批准号: 8702017
• 负责人: Evelyn Sawyer
• 金额: $ 17.89万
• 依托单位: Sea Run Holdings,Incorporated
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1987
• 资助国家: 美国
• 起止时间: 1987-06-15 至 1989-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8702017&HistoricalAwards=false
• 关键词: Feasibility; Using; Landlocked; Atlantic; Salmon

Research objectives are: (1) To determine the smolt status of one-year-old landlocked Atlantic salmon; (2) to compare survival and growth between landlocked and sea-run Atlantic salmon in commercial scale sea-cages; (3) to determine maturity characteristics of landlocked Atlantic salmon grown in sea-cages. To accomplish these objectives, the research will use tests of smoltification including gill Na+-K+ ATPase, plasma thyroxine, and osmolality; comparative rearing trials of landlocked and sea-run salmon in sea-cages; incidence of grilse; hormone profiles in maturing adults; and egg viability. This research would contribute basic and applied knowledge on the physiology and endocrinology of landlocked Atlantic salmon and on their potential for marine culture. Results could be applied to increase the supply of seedstock needed by U.S. growers and thus reduce reliance to imported salmon. A major problem in marine culture of Atlantic salmon (Salmo salar) in the north-eastern United States is the lack of smolts. Diadromous (sea-run) Atlantic salmon are difficult and costly to rear through the pre-smolt stage. Maine has native populations of landlocked Atlantic salmon (S. salar) that reach smolt size in half the time of sea-run smolts at ambient water temperatures. These landlocks may serve as an alternative to sea-run salmon for marine culture.

研究目的是：（1）确定小鲑鱼的 一岁内陆大西洋鲑鱼的状况;（2） 比较内陆和海洋之间的生存和增长 大西洋鲑鱼在商业规模的海笼;（3）以确定 内陆大西洋鲑鱼的成熟特征 海笼 为了实现这些目标，研究将 采用鳃Na+-K+ ATP酶银化试验， 血浆甲状腺素和渗透压;比较饲养试验 在海笼中的内陆和海洋鲑鱼; grilse;成熟成虫的激素分布;和卵的活力。 这项研究将有助于基础和应用知识 关于大西洋内陆的生理学和内分泌学 鲑鱼及其海洋养殖潜力。 结果 可用于增加所需种子的供应， 美国种植者，从而减少对进口鲑鱼的依赖。 一 大西洋鲑（萨尔莫）海水养殖中的主要问题 在美国东北部，缺乏 小鲑鱼 溯河产卵（海运行）大西洋鲑鱼很难， 培育幼鱼前期的成本很高 缅因州有本地人 内陆大西洋鲑鱼（S。salar）that reach 小鲑鱼大小的一半时间海运行小鲑鱼在环境水 温度 这些内陆锁可以作为一个替代方案， 用于海洋养殖的海水鲑鱼。