Vertical Position Reflects Increased Feeding Motivation in Growth Hormone Transgenic Coho Salmon (Oncorhynchus kisutch)

• Published in: Ethology Vol. 109; no. 8; pp. 701 - 712
• Main Authors: Fredrik Sundström, L., Devlin, Robert H., Johnsson, Jörgen I., Biagi, Carlo A.
• Format: Journal Article
• Language: English
• Published: Berlin, Germany Blackwell Verlag, GmbH 01.08.2003
• Subjects: Freshwater; Oncorhynchus kisutch; Canada, British Columbia, Vancouver

Growth hormone (GH) gene transgenesis has allowed the production of salmon with an inherently increased growth potential, on average two to threefold higher compared with daily specific growth rates observed in normal, non‐transgenic fish. This difference quickly results in animals of very different...