Caspian Journal of Veterinary Sciences

Caspian Journal of Veterinary Sciences

Concentration of some heavy metals (lead, arsenic & cadmium) in edible tissues of Astacus leptodactylus from Aras dam of Azerbaijan region, Iran

Document Type : Original Article

Authors
Marziye al-Sadat Hosseini 1
zeinab rahimi afzal 2
Amin Khodadadi 3
1 1Department of veterinary medicine, Faculty of Veterinary Medicine, University of Razi, Kermanshah, Iran
2 2Department of Aquatic Animal Health, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
3 Veterinarian and specialist Health and Diseases in aquaculture, National Veterinary Organization, Iran
10.22034/cjvs.2024.210705
Abstract
Heavy metals can pose a serious threat to aquatic fauna through exposure, bioaccumulation and biomagnification processes. The aim of this study was to evaluate the presence of some elements in the edible tissues of Astacus leptodactylus to establish the healthiness of this product and to assess the pollution status of the sampling sites of Aras Dam (northwest of Iran) in 2021. For this purpose, freshwater crayfish A. leptodactylus (weight range 80-130 g) were collected in spring from three points of the Aras dam using special traps. In this study, the concentrations of some of the most important heavy metals, including lead, arsenic and cadmium, were evaluated and were measured by atomic absorption spectrophotometer. The results showed that Pb (0.229±0.021), Cd (0.046±0.012) and As (0.218±0.035) ppm were the minimum concentrations in the meat of A. leptodactylus. According to the data, the crayfish A. leptodactylus from the Aras reservoir would be suitable as a food resource because of the low content of heavy metals in its soft tissues.
Keywords
Aras dam
Astacus leptodactylus
Atomic absorption spectroscopy
Crayfish
Heavy metals
Subjects
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Caspian Journal of Veterinary Sciences
Volume 1, Issue 2
December 2024
Pages 105-108

  • Receive Date 05 July 2024
  • Revise Date 10 July 2024
  • Accept Date 04 August 2024