Importance and principles of genetic improvement in aquaculture production | Značaj i principi genetskog unapređenja u akvakulturi
2011
Gjerde, B.
Conclusions: Genetic improvement programs are important to make farmers more competitive in future food markets. Highest priority should be given to the development of breeding programs for species with high present or future production. The breeding programs should be based on purebreeding (to capitalise on additive genetic effects) and utilise both individual and/or family information in selection of breeders. For less important economic species, simpler programs utilising only individual information primarily for growth should be initiated and later extended to more advanced programs if production increases. Crossbreeding (to capitalise on non-additive genetic effects) and sex and ploidy manipulation (Hulata, 2002) may be applied to further improve the productivity of the grow-out animals. Recent and future developments in molecular genetics present the possibility of using genotype selection for performance traits (either through marker assisted or genome wide selection. Methodology for efficiently integration of these technologies into classical selective breeding programs needs further investigation.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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