NDLI: Genetic assessment of three gilthead sea bream (Sparus aurata L.) populations along the Spanish coast and of three broodstocks managements

Content Provider	Springer Nature Link
Author	García Celdrán, M. Ramis, G. María Dolores, E. Peñalver, J. Borrell, Y. J. Manchado, M. Estévez, A. Afonso, J. M. Armero, E.
Copyright Year	2016
Abstract	The gilthead sea bream (Sparus aurata L.) is one of the most important Sparid farmed in Europe, especially in the Mediterranean area. However, efficient breeding programs for this species are scarce and very little, and it is known concerning their population structure. The present study was mainly designed to genetically characterize, by microsatellite markers, three gilthead sea bream populations sampled along the Spanish coast (Cantabrian Sea, the Atlantic Ocean and Mediterranean Sea) and their progeny with the aim of studying its genetic variability and its genetic structure. Moreover, we evaluated different strategies of broodstocks management (breeders’ number, origin and sex combination) on parental contributions and on effective breeding numbers. That number of breeders in the stock was of great importance to the maximization of contribution since the larger broodstock resulted in larger proportion of parents contributing. Variation in dam and sire spawning incidence and in number of progeny produced per dam and per sire was translated into reduced effective breeding numbers and consequently into expected increased inbreeding rates. Our results highlight the high genetic variability of the studied sea bream populations, as well as the existence of three genetically differentiated populations along the Spanish coast. These findings should be relevant for the establishment of successful breeding programs in aquaculture of the gilthead sea bream.
Starting Page	1409
Ending Page	1420
Page Count	12
File Format	PDF
ISSN	09676120
Journal	Aquaculture International
Volume Number	24
Issue Number	5
e-ISSN	1573143X
Language	English
Publisher	Springer International Publishing
Publisher Date	2016-04-05
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Breeder contributions Genetic variability Gilthead sea bream Microsatellite Parentage assignment Population structure Freshwater & Marine Ecology Zoology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science Agronomy and Crop Science

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