Individual-level analysis of pre- and post first-feed growth and development in Atlantic salmon

J Gilbey, A McLay, D Houlihan, E Verspoor

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Atlantic salmon Salmo salar, were followed from egg to smoltification using genetic analysis to identify individuals and to link observations from pre- and post first feeding. Egg size and hatch timing significantly influenced alevin size at first feed but neither egg size, hatch timing or alevin sizes were correlated to size, condition factor or smolt status post first feed. In a hatchery environment the potential advantage gained by early hatching, larger alevin does not persist after first feeding. Different physiological and genetic complexes appear to influence growth in these two distinct phases of the Atlantic salmon's life-cycle. (c) 2005 The Fisheries Society of the British Isles

Original languageEnglish
Pages (from-to)1359-1369
Number of pages11
JournalJournal of Fish Biology
Volume67
DOIs
Publication statusPublished - 2005

Keywords

  • Atlantic salmon
  • egg size
  • endogenous growth
  • exogenous growth
  • hatch timing
  • SALAR L
  • QUANTITATIVE GENETICS
  • RAINBOW-TROUT
  • LINKAGE MAP
  • EGG SIZE
  • EVOLUTION
  • ONTOGENY
  • SELECTION
  • VARIABILITY
  • EMERGENCE

Cite this

Individual-level analysis of pre- and post first-feed growth and development in Atlantic salmon. / Gilbey, J ; McLay, A ; Houlihan, D ; Verspoor, E .

In: Journal of Fish Biology, Vol. 67, 2005, p. 1359-1369.

Research output: Contribution to journalArticle

Gilbey, J ; McLay, A ; Houlihan, D ; Verspoor, E . / Individual-level analysis of pre- and post first-feed growth and development in Atlantic salmon. In: Journal of Fish Biology. 2005 ; Vol. 67. pp. 1359-1369.
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abstract = "Atlantic salmon Salmo salar, were followed from egg to smoltification using genetic analysis to identify individuals and to link observations from pre- and post first feeding. Egg size and hatch timing significantly influenced alevin size at first feed but neither egg size, hatch timing or alevin sizes were correlated to size, condition factor or smolt status post first feed. In a hatchery environment the potential advantage gained by early hatching, larger alevin does not persist after first feeding. Different physiological and genetic complexes appear to influence growth in these two distinct phases of the Atlantic salmon's life-cycle. (c) 2005 The Fisheries Society of the British Isles",
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