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Selection and Breeding Programs in Aquaculture (Paperback, Softcover reprint of hardcover 1st ed. 2005)
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Selection and Breeding Programs in Aquaculture (Paperback, Softcover reprint of hardcover 1st ed. 2005)
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Although aquaculture as a biological production system has a long
history, systematic and efficient breeding programs to improve
economically important traits in the farmed species have rarely
been utilized until recently, except for salmonid species. This
means that the majority of aquaculture production (more than 90 %)
is based on genetically unimproved stocks. In farm animals the
situation is vastly different: practically no terrestrial farm
production is based on genetically unimproved and undomesticated
populations. This difference between aquaculture and livestock
production is in spite of the fact that the basic elements of
breeding theory are the same for fish and shellfish as for farm
animals. One possible reason for the difference is the complexity
of reproductive biology in aquatic species, and special
consideration needs to be taken in the design of breeding plans for
these species. Since 1971 AKVAFORSK, has continuously carried out
large scale breeding research projects with salmonid species, and
during the latest 15 years also with a number of fresh water and
marine species. Results from this work and the results from other
institutions around the world have brought forward considerable
knowledge, which make the development of efficient breeding
programs feasible. The genetic improvement obtained in selection
programs for fish and shellfish is remarkable and much higher than
what has been achieved in terrestrial farm animals.
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