Morphology and Genetic Structure Profile of Farmed Snails Cornu aspersum aspersum and Cornu aspersum maximum in Greece

Efkarpia Kougiagka (), Georgios A. Gkafas, Athanasios Exadactylos and Marianthi Hatziioannou
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Efkarpia Kougiagka: Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, 38445 Volos, Greece
Georgios A. Gkafas: Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, 38445 Volos, Greece
Athanasios Exadactylos: Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, 38445 Volos, Greece
Marianthi Hatziioannou: Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, 38445 Volos, Greece

Sustainability, 2022, vol. 14, issue 23, 1-16

Abstract: The subspecies of the species Cornu aspersum , C. a. aspersum, and C. a. maximum are the dominant farmed species in Greece. The morphological and molecular polymorphism of the two aforementioned subspecies has not been studied in depth. In this study, the polymorphism of snails of the two subspecies derived from seven snail farms throughout Greece was studied using morphological and molecular markers. Firstly, the snail samples of both subspecies were categorized in three shell patterns based on shell color and existence of bands. The conducted population structure analysis revealed three major clusters among the farmed snail populations. As concerns genetic diversity, six loci (Ha5, Ha6, Ha8, Ha9, Ha10, and Ha11) were tested for their polymorphism. Genetic variation was reported within populations rather than among populations. Finally, the obtained data highlighted a common gene pool broodstock for snail farms throughout Greece.

Keywords: farmed snails; C. aspersum; shell; polymorphism; heterozygosity; genetic structure (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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