Assessment of the sequestration strategy based on brown coal Shoptykol to reduce organochlorine pesticides transfer from contaminated soil to hen eggs
2024
Akhatzhanova, Arailym | Amutova, Farida | Nurseitova, Moldir | Delannoy, Matthieu | Jurjanz, Stefan | Konuspayeva, Gaukhar | Antigen LLP | Unité de Recherches Animal et Fonctionnalités des Produits Animaux (URAFPA) ; Université de Lorraine (UL)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) | Al-Farabi Kazakh National University [Almaty] (KazNU) | Unité de Recherches Animal et Fonctionnalités des Produits Animaux (URAFPA) ; Institut National de la Recherche Agronomique (INRA)-Université de Lorraine (UL) | This study was conducted in the frame of research project AP09057889 financed by the Ministry of Science andEducation of Republic of Kazakhstan, and the French-Kazakh scholarship Abaï-Verne supporting this PhD project.
International Scientific Forum “Modern Trends in Sustainable Development of Biological Sciences” (IFBioScFU 2024)Almaty, Kazakhstan, March 27-28, 2024
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Show more [+] Less [-]English. This study investigated the efficiency of a sequestration strategy using carbon-based materials to reduce the transfer of organochlorine pesticides (OCPs) from hens to eggs. Specifically, the potential of Kazakhstan-made Shoptykol coal was evaluated by applying 2% (by weight) of this material to OCP-contaminated soil obtained from Kyzylkairat (Almaty region, Kazakhstan). The experiment was conducted by exposure for 45 days of 18 hens, which were divided into three groups depending on their feeding conditions. Laying hens were fed diets containing 10% of soil: for the first group with control soil A, the second group with contaminated soil K, the third group with contaminated soil containing coal. Quantification of pesticide concentrations in egg yolks of laying hens was then performed by gas chromatography mass-spectrometry. Despite the supply of Shoptykol, no significant reduction in OCPs transfer was observed for compounds tested. Thus, the efficiency of Shoptykol coal in reducing the transfer of organochlorine pesticides to animals was not confirmed by our results.
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