| Rhodococcus equi pneumonia in foals in Gyeonggi-do and characterization of the isolates from lesions and environment |
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Sue-Jung Kim1, Sim-Yong Yook1, Jun-Suk Hwang2, Myung-Jo You3, Moo-Hyung Jun4 |
1Asan Branch of Chungnam Veterinay Research Institute
2J&C Equine Clinic
3College of Veterinary Medicine, Chonbuk National University
4College of Veterinary Medicine, Chungnam National University |
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| Abstract |
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We report here two cases of Rhodococcus (R.) equi-causing pneumonia of Throughbred foals in Gyeonggi-do in 2006. R. equi was isolated from the lung lesions of the dead foals, and from the feces and soils on the farms where the clinical cases of R. equi infection occurred. The isolates were characterized by biochemical properties, polymerase chain reaction for vapA gene and antimicrobial susceptibility. In drug susceptibility test, erythromycin, gentamycin, vancomycin, and rifampin were found to be the most susceptible for all isolates. These results suggest that R. equi pneumonia may be endemic in the horse-breeding farms in inland Korea and the farm environment may be widely contaminated with virulent R. equi. |
| Key Words:
R. equi pneumonia, vapA gene, virulent R. equi |
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