Distribution of Dirofilaria repens (Railliet et Henry, 1911) in Southern and Southeastern Russia
Journal: Acta Biologica Sibirica (Altai State University)
Year: 2025

The aim of the study was to investigate the current distribution of Dirofilaria repens in dogs from the Southern, Volga, and North Caucasian federal districts of European Russia. A total of 6,444 canine blood samples from 100 localities were screened using a species-specific real-time PCR assay. D. repens DNA was detected in 485 samples (7.52% prevalence), confirming the parasite's presence across a vast area. Positive cases were identified in the Republics of Bashkortostan, Mari El, Mordovia, T