Acknowledgments
We thank the keepers working at the Ljubljana Zoo for their help with sample collection, Margita Přikrylová for sample examination, and Alexandra Valenčáková for optimalization of the PCR used for detection of E. cuniculi .
Conflict of Interes Statement: The authors do not have a conflict of interest.
Data Availability Statement: The data that support the findings of this study are available on request from the corresponding author. The data are not publicly available due to privacy or ethical restrictions.
Ethical Statement: The authors confirm that the ethical policies of the journal, as noted on the journal’s author guidelines page, have been adhered to. No ethical approval was required. All samples have been collected as a secondary interest by zoo personal during clinical procedures, surgeries, annual health check-ups.