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Rhodococcus equi-Occurrence in Goats and Clinical Case Report
Monika Żychska1, Lucjan Witkowski1, Agnieszka Klementowska1
1Division of Veterinary Epidemiology and Economics, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, 02-776 Warsaw, Poland.
Pathogens (Basel, Switzerland)
|September 28, 2021
Summary
Rhodococcus equi, a bacterium causing fatal rhodococcosis in horses, was detected in goats for the first time. This finding is crucial for understanding its prevalence and potential as a disease model in other species.
Area of Science:
- Veterinary Microbiology
- Infectious Diseases
- Animal Health
Background:
- Rhodococcus equi causes rhodococcosis, a frequently fatal infection in horses.
- While infections occur in other species and humans, data on R. equi prevalence in goats is limited.
- Clinical signs in goats resemble those in horses and humans.
Purpose of the Study:
- To estimate the occurrence of Rhodococcus equi in goats.
- To investigate the genetic diversity of R. equi isolates from goats.
Main Methods:
- Post-mortem examination of 134 goats.
- Collection and analysis of submandibular, mediastinal, and mesenteric lymph nodes (272 samples).
- Standard bacterial isolation and identification techniques.
Main Results:
- Rhodococcus equi was isolated from 4 out of 134 examined goats.
- All four R. equi isolates possessed the choE gene.
- One isolate also contained the traA and pVAPN plasmid genes.
Conclusions:
- This study reports the first occurrence and genetic characterization of R. equi in goats.
- Findings may inform rhodococcosis treatment models in other species and assess meat contamination risks.
- Goats show potential as a model for R. equi infections in horses and humans.
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