Gjedrem (49 Ergebnisse)

Hardcover. Zustand: Fine. 1st Edition. Bound in very dark blue cloth with gilt lettering on front cover and spine, clean and tight, gift inscription on front free endpaper, with small bookstore ink stamp; 189 pages in Norwegian, photos; one of 500 copies.

21 x 15. Inaugural-Dissertation. 71 Seiten. OBrosch. Gut erhalten. Sprache: Deutsch Gewicht in Gramm: 300.

Zustand: New. In English.

Zustand: New. In English.

Zustand: New. In English.

Zustand: New. In English.

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Zustand: As New. Unread book in perfect condition.

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Zustand: As New. Unread book in perfect condition.

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Taschenbuch. Zustand: Neu. Selection and Breeding Programs in Aquaculture | Trygve Gjedrem | Taschenbuch | xviii | Englisch | 2010 | Springer | EAN 9789048168408 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.…

Zustand: New. pp. 384.

Zustand: New. pp. 384.

Zustand: gut. 2009. Selective Breeding in Aquaculture: an Introduction (Reviews: Methods and Technologies in Fish Biology and Fisheries, 10, Band 10) In deutscher Sprache. pages.

Hardcover. Zustand: New.

Zustand: New. pp. 236.

Zustand: New. pp. 236.

Paperback. Zustand: Brand New. 381 pages. 9.00x6.20x0.87 inches. In Stock.

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - 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.…

Buch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - 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. …

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - The foundation of quantitative genetics theory was developed during the last century and facilitated many successful breeding programs for cultivated plants and t- restrial livestock. The results have been almost universally impressive, and today nearly all agricultural production utilises genetically improved seed and animals. The aquaculture industry can learn a great deal from these experiences, because the basic theory behind selective breeding is the same for all species. The rst published selection experiments in aquaculture started in 1920 s to improve disease resistance in sh, but it was not before the 1970 s that the rst family based breeding program was initiated for Atlantic salmon in Norway by AKVAFORSK. Unfortunately, the subsequent implementation of selective breeding on a wider scale in aquaculture has been slow, and despite the dramatic gains that have been demonstrated in a number of species, less than 10% of world aquaculture production is currently based on improved stocks. For the long-term sustainability of aquaculture production, there is an urgent need to develop and implement e- cient breeding programs for all species under commercial production. The ability for aquaculture to successfully meet the demands of an ever increasing human p- ulation, will rely on genetically improved stocks that utilise feed, water and land resources in an ef cient way. Technological advances like genome sequences of aquaculture species, and advanced molecular methods means that there are new and exciting prospects for building on these well-established methods into the future.…

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Zustand: new. Questo è un articolo print on demand.

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