Artificial hatching substrate and different time of transfer to startfeeding: Effect on growth and protease activities of the Atlantic salmon (Salmo salar).

Groups of Atlantic salmon (Salmo salar) eggs were hatched in a Californian hatching system with and without an astro-turf artificial substrate, and food was presented at four different points in development. Dry weight development and protease activities were studied. Irrespective of time of transfe...

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Bibliographic Details
Main Authors: Hansen, Tom, Torrissen, Krisna Rungruangsak
Format: Report
Language:English
Published: ICES 1984
Subjects:
hatchery
klekkeri
atlantic salmon
atlantisk laks
VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Resource biology: 921
VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Fish health: 923
Atlantic salmon
Salmo salar
Online Access:http://hdl.handle.net/11250/104005
Description
Summary:Groups of Atlantic salmon (Salmo salar) eggs were hatched in a Californian hatching system with and without an astro-turf artificial substrate, and food was presented at four different points in development. Dry weight development and protease activities were studied. Irrespective of time of transfer the astro-turf reared fry were bigger than the flat screen reared fry at the termination of the experiment. In respect of growth the first and the fourth transfers were clearly suboptimal for the fry from both systems.

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