Developmental Biology

We conduct research to understand the basic biology, such as growth, development and reproduction, for a variety of aquaculture species.

These include investigation of growth physiology to identify mechanisms controlling the quality of juvenile fish. Our connections with the industry allow us to directly apply this knowledge toward improved aquaculture fish quality and production.

Developmental Biology

Developmental biology is the study of the process by which organisms grow and develop through a continuum of changes from gametogenesis, fertilisation, formation of the embryonic axis and the vital organs, their differentiation and mass reorganisation during metamorphosis, sexual maturation, and even senescence. Our main research focus is on how these biological processes influence the performance and welfare of aquaculture species. Our research integrates knowledge and techniques from genetics, physiology, cell biology, neurobiology and evolutionary biology.

Growth Physiology

Our aquaculture researchers investigate the linkages between growth physiology and environmental factors of a variety of fish species. Our activities include both experimental and field based studies focusing on fish growth, the neuro-endocrine control of seasonal reproductive cycles, and the role that the genetic background of fish plays in their performance when reared under different environmental conditions. Knowledge gained in this discipline aids in the determination of how to correctly manipulate environmental factors, how to select the correct strain or subpopulation of a fish species according to local environmental conditions, and how to properly design aquaculture protocols.

 

Akvaplan-niva in Action

A technical specialist checks the fertilization of eggs with sperm from a Spotted Wolffish that has undergone cryopreservation . <span>Image by Albert Imsland</span>
A technician removes eggs from a female Spotted Wolffish. The eggs are being used in fertilization experiments with sperm that has undergone cryopreservation. <span>Image by Albert Imsland</span>
Juvenile lumpfish enjoying life in an experimental shallow raceway system. Through this project, researchers from Akvaplan-niva developed a full-scale protocol for the use of lumpfish as a biological removal method for sea lice. <span>Image by Thor Arne Hangstad</span>
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For More Information

Albert Kjartanson Imsland
aki@akvaplan.niva.no
Kopavogi, Iceland

Related Reading

The influence of first-feeding diet on the Atlantic cod Gadus morhua phenotype: survival, development and long-term consequences for growth.

Koedijk, R.M., Folkvord, A., Foss, A., Pittmann, K., Stefansson, S.O., Handeland, S. & Imsland, A.K. (2010)

Journal of Fish Biology 77: 1-19.

The combined effects of temperature and GnRHa treatment on the final stages of sexual maturation in Atlantic salmon (Salmo salar L.) females

Vikingstad E., E. Andersson, B. Norberg, I. Mayer, U. Klenke, Y. Zohar, S.O. Stefansson & G.L. Taranger (2008)

Fish Physiology and Biochemistry 34: 289-298.