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Quantitative and Qualitative Assessment of European Catfish ( Silurus glanis ) Flesh

Author

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  • Cristina Simeanu

    (Department of Animal Resources and Technology, Faculty of Food and Animal Sciences, “Ion Ionescu de la Brad” University of Life Sciences, 8 Mihail Sadoveanu Alley, 700489 Iasi, Romania)

  • Emanuel Măgdici

    (Department of Animal Resources and Technology, Faculty of Food and Animal Sciences, “Ion Ionescu de la Brad” University of Life Sciences, 8 Mihail Sadoveanu Alley, 700489 Iasi, Romania)

  • Benone Păsărin

    (Department of Animal Resources and Technology, Faculty of Food and Animal Sciences, “Ion Ionescu de la Brad” University of Life Sciences, 8 Mihail Sadoveanu Alley, 700489 Iasi, Romania)

  • Bogdan-Vlad Avarvarei

    (Department of Animal Resources and Technology, Faculty of Food and Animal Sciences, “Ion Ionescu de la Brad” University of Life Sciences, 8 Mihail Sadoveanu Alley, 700489 Iasi, Romania)

  • Daniel Simeanu

    (Department of Control, Expertise and Services, Faculty of Food and Animal Sciences, “Ion Ionescu de la Brad” University of Life Sciences, 8 Mihail Sadoveanu Alley, 700489 Iasi, Romania)

Abstract

Quantitative and qualitative flesh production in the Silurus glanis species was comparatively studied between two fish groups: one from aquaculture (AG) and the other from a natural environment, the Prut River (RG). Morphometry was carried out on the fish, and then biometric and conformational indices were calculated. Better values were found in the aquaculture catfish. The Fulton coefficient was 0.82 in the Prut River fish and 0.91% in the farmed ones. The fleshy index reached 19.58% in the AG fish and 20.79% in the RG fish, suggesting better productive capabilities in the AG fish. Postslaughter, the flesh yield and its quality were assessed at different moments throughout the refrigeration period (0–15 days), and chemical compound loss occurred. In the AG samples, the water content decreased by 8.87%, proteins by 27.66%, and lipids by 29.58%. For the RG samples, the loss reached 8.59% in water, 25.16% in proteins, and 29%in lipids. By studying the fatty acids profile and sanogenic indices, good levels of PUFA (31–35%) were found, and the atherogenic index reached 0.35–0.41 while the thrombogenic index ranged between 0.22 and 0.27. Consequently, it can be stated that fish origin and especially the refrigeration period influence the flesh proximate composition and nutritional value of European catfish.

Suggested Citation

  • Cristina Simeanu & Emanuel Măgdici & Benone Păsărin & Bogdan-Vlad Avarvarei & Daniel Simeanu, 2022. "Quantitative and Qualitative Assessment of European Catfish ( Silurus glanis ) Flesh," Agriculture, MDPI, vol. 12(12), pages 1-17, December.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:12:p:2144-:d:1002183
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    References listed on IDEAS

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    1. Roman Lyach, 2021. "Harvest Rates of Rheophilic Fish Vimba vimba , Chondrostoma nasus , and Barbus barbus Have a Strong Relationship with Restocking Rates and Harvest Rates of Their Predator Silurus glanis in Lowland Mes," Sustainability, MDPI, vol. 13(20), pages 1-14, October.
    2. Selmeg V. Bazarsadueva & Larisa D. Radnaeva & Valentina G. Shiretorova & Elena P. Dylenova, 2021. "The Comparison of Fatty Acid Composition and Lipid Quality Indices of Roach, Perch, and Pike of Lake Gusinoe (Western Transbaikalia)," IJERPH, MDPI, vol. 18(17), pages 1-11, August.
    3. Roman Lyach, 2022. "Fisheries Management of the European Catfish Silurus glanis Is Strongly Correlated to the Management of Non-Native Fish Species (Common Carp Cyprinus carpio , Rainbow Trout Oncorhynchus mykiss , and G," Sustainability, MDPI, vol. 14(10), pages 1-12, May.
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    Cited by:

    1. Daniel Simeanu & Răzvan-Mihail Radu-Rusu, 2023. "Animal Nutrition and Productions," Agriculture, MDPI, vol. 13(5), pages 1-10, April.

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