In the heart of Russia’s Central Black Earth Region, a groundbreaking study is shedding light on the distribution of bio- and geohelminths, with significant implications for agriculture and public health. Researchers from the Kursk State University, led by A. S. Elizarov of the Research Institute of Parasitology, have been diligently mapping the prevalence of parasites such as Spirometra erinaceieuropaei, Trichinella spp., Toxocara spp., and Ascaris spp. in the Kursk and Oryol Regions.
The study, published in the ‘Российский паразитологический журнал’, employed advanced GIS technologies to create detailed electronic maps, utilizing platforms like Google My Maps, Yandex Maps, and Navitel. This technological approach allowed the team to pinpoint areas of high contamination, providing a comprehensive overview of the parasitic landscape.
From April to November 2024, the researchers collected 321 positive samples from various sources, including water, storm drains, soils, and bottom sediments. The findings revealed a widespread presence of sparganosis, trichinellosis, ascaridiosis, and toxocarosis in the studied areas. Notably, the Kursky District in the Kursk Region showed the lowest contamination levels, while the Zheleznogorsky and Solntsevsky Districts had the highest.
“The use of GIS technologies has been a game-changer in our research,” said Elizarov. “It has allowed us to visualize and analyze the distribution of these parasites with unprecedented accuracy. This is crucial for developing targeted strategies to mitigate the impact on both agriculture and public health.”
The study highlighted the significant role of agricultural enterprises in the spread of geohelminths. The presence of infective eggs of Toxocara spp. and Ascaris spp. in soil samples from the Kursky and Zheleznogorsky Districts of the Kursk Region, as well as the Dmitrovsky District of the Oryol Region, underscores the need for enhanced sanitation and monitoring in these areas.
One of the most alarming findings was the discovery of Norway rats (Rattus norvegicus) infected with Trichinella spp. capsules in the Solntsevsky District of the Kursk Region. This poses a direct threat to both livestock and human populations, emphasizing the importance of integrated pest management and biosecurity measures.
The commercial impact of this research on the agriculture sector cannot be overstated. By understanding the distribution and prevalence of these parasites, farmers and agricultural enterprises can implement more effective control measures, ultimately reducing economic losses due to livestock infections and improved crop yields.
“This research is a stepping stone towards a more sustainable and secure agricultural future,” Elizarov added. “By leveraging GIS technologies, we can better understand and combat the spread of these parasites, ensuring the health and productivity of our agricultural systems.”
As the world continues to grapple with the challenges posed by parasitic infections, this study serves as a beacon of hope, demonstrating the power of technology and innovation in the fight against bio- and geohelminths. The insights gained from this research will undoubtedly shape future developments in the field, paving the way for more effective and targeted interventions.

