Selection and Breeding Programs in Aquacul...

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Beschreibung

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.

Zusammenfassung

Encourages implementation of selective breeding programs for economically important fish and shellfish species around the world

Inhaltsverzeichnis

Status and Scope of Aquaculture.- Basic Genetics.- Population Genetics.- Polygenic Inheritance.- Basic Statistical Parameters.- Kinship, Relationship and Inbreeding.- Selection.- Reproductive Traits in Aquatic Animals.- Methods for Estimating Phenotypic and Genetic Parameters.- Breeding Strategies.- Selection Methods.- Design of Breeding Programs.- Prediction of Breeding Values.- Genotype - Environment Interaction.- Measuring Genetic Change.- Breeding Plans.- Organising Breeding Programs.- Chromosome Engineering.- Modern Biotechnology and Aquaculture.- Genetic Interactions Between Farmed and Wild Fish, with Examples from the Atlantic Salmon Case in Norway.

Erscheinungsjahr:	2005
Fachbereich:	Ökologie
Genre:	Biologie
Rubrik:	Naturwissenschaften & Technik
Medium:	Buch
Seiten:	384
Inhalt:	xviii 364 S.
ISBN-13:	9781402033414
ISBN-10:	1402033419
Sprache:	Englisch
Ausstattung / Beilage:	HC runder Rücken kaschiert
Einband:	Gebunden
Redaktion:	Gjedrem, Trygve
Herausgeber:	Trygve Gjedrem
Auflage:	2005
Hersteller:	Springer Netherland Springer Netherlands
Maße:	241 x 160 x 27 mm
Von/Mit:	Trygve Gjedrem
Erscheinungsdatum:	13.04.2005
Gewicht:	0,74 kg

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