Background: Buxtonellosis is a disease caused by the ciliated protozoan Buxtonella sulcata.
Objective: This study was conducted to investigate the seasonal and age dynamics of the prevalence and
intensity of buxtonellosis in cattle in Kaluga region of central Russia.
Material and Methods: A total of 476 fecal samples were collected from cattle of different age groups.
Data for various seasons, obtained from different regions, varied within the temperature range from
20±5oС in summer to -12±5oС in winter. Buxtonella cysts were isolated by sedimentation technique and
counted by the McMaster method.
Results: The highest prevalence rate of cattle buxtonellosis was observed in winter and the infection
rate decreased in the warm season. Infection up to 545 cysts/g stools was recorded in a group of young
animals up to one year old, coinciding with a prevalence peak up to 95% in autumn.
Conclusion: The results showed seasonal and age dynamics of cattle buxtonellosis in Kaluga region in
the Russian Federation. The highest prevalence was observed in adult calves during winter. This finding
contributes to the existing knowledge about the etiopathogenesis of cattle buxtonellosis in this area.