Development of Rations for the Enhanced Survival of Salmon, 1987-1988 Progress (Annual) Report.

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The nutritional quality of feed plays an important role in determining the health and fitness of smolts. Commercial fish meal, the major source of protein in salmon rations, may be reduced in quality from poor drying techniques during manufacture. Dietary stress in the hatchery may result. This investigation tests the hypothesis that protein quality of fish rations can influence the survival of smolts and the ultimate return of adults. The test involves a comparison between performances of coho and chinook salmon reared on rations containing very high quality protein derived from vacuum dried meals and those of fish reared on ... continued below

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22 pages

Creation Information

Ewing, Richard D. December 1, 1988.

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Description

The nutritional quality of feed plays an important role in determining the health and fitness of smolts. Commercial fish meal, the major source of protein in salmon rations, may be reduced in quality from poor drying techniques during manufacture. Dietary stress in the hatchery may result. This investigation tests the hypothesis that protein quality of fish rations can influence the survival of smolts and the ultimate return of adults. The test involves a comparison between performances of coho and chinook salmon reared on rations containing very high quality protein derived from vacuum dried meals and those of fish reared on commercial rations, with commercial fish meal as a source of protein. Survival and return of several brood years of test and control fish are used to measure the influence of ration on survival. Rearing and release of tagged fish to date include 1982, 1983, 1984 and 1985 broods of coho salmon; the 1983 and 1984 broods of fall chinook (tule stock) salmon; and the 1985 and 1986 broods of fall chinook (upriver bright stock) salmon. This report includes recovery data from these marked fish collected through September 1988.

Physical Description

22 pages

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  • Other Information: PBD: 1 Dec 1988

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  • Report No.: DOE/BP-38372-1
  • Grant Number: 1988BP38372
  • DOI: 10.2172/756293 | External Link
  • Office of Scientific & Technical Information Report Number: 756293
  • Archival Resource Key: ark:/67531/metadc708222

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • December 1, 1988

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • Dec. 13, 2017, 2:49 p.m.

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Ewing, Richard D. Development of Rations for the Enhanced Survival of Salmon, 1987-1988 Progress (Annual) Report., report, December 1, 1988; [Oregon]. (digital.library.unt.edu/ark:/67531/metadc708222/: accessed November 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.