ArticleGenetics, selection, evolution : GSE2017
Derivation of economic values for production traits in aquaculture species.
Article in Genetics, selection, evolution : GSE, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed.
- Log-transformed variance from individual growth curves as a potential indicator of resilience in Nile tilapia Oreochromis niloticus.Scientific reports · 2026Article
- Deriving breeding goals and expected selection responses to reduce environmental impacts in rainbow trout farming.Genetics, selection, evolution : GSE · 2025Article
- Estimation of economic weights for growth, feed efficiency, health, and fertility traits in a breeding program for meat rabbits.Translational animal science · 2025Article
- The genetic correlation between feed conversion ratio and growth rate affects the design of a breeding program for more sustainable fish production.Genetics, selection, evolution : GSE · 2020Article
- Economic optimization of full-sib test group size and genotyping effort in a breeding program for Atlantic salmon.Genetics, selection, evolution : GSE · 2019Article
- Combining Individual Phenotypes of Feed Intake With Genomic Data to Improve Feed Efficiency in Sea Bass.Frontiers in genetics · 2019Article
- Cost-benefit analysis of aquaculture breeding programs.Genetics, selection, evolution : GSE · 2018Article
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4 authors.
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Abstract
backgroundIn breeding programs for aquaculture species, breeding goal traits are often weighted based on the desired gains but economic gain would be higher if economic values were used instead. The objectives of this study were: (1) to develop a bio-economic model to derive economic values for aquaculture species, (2) to apply the model to determine the economic importance and economic values of traits in a case-study on gilthead seabream, and (3) to validate the model by comparison with a profit equation for a simplified production system.
methodsA bio-economic model was developed to simulate a grow-out farm for gilthead seabream, and then used to simulate gross margin at the current levels of the traits and after one genetic standard deviation change in each trait with the other traits remaining unchanged. Economic values were derived for the traits included in the breeding goal: thermal growth coefficient (TGC), thermal feed intake coefficient (TFC), mortality rate (M), and standard deviation of harvest weight ([Formula: see text]). For a simplified production system, improvement in TGC was assumed to affect harvest weight instead of growing period. Using the bio-economic model and a profit equation, economic values were derived for harvest weight, cumulative feed intake at harvest, and overall survival.
resultsChanges in gross margin showed that the order of economic importance of the traits was: TGC, TFC, M, and [Formula: see text]. Economic values in € (kg production)
conclusionsWe confirmed the validity of the bio-economic model. TGC is the most important trait to improve, followed by TFC and M, and the effect of [Formula: see text] on gross margin is small.
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