Macrolide- and Rifampin-Resistant Rhodococcus equi on a Horse Breeding Farm, Kentucky, USA
Published Date:Feb 2013
Source:Emerg Infect Dis. 19(2):282-285.
Antimicrobial Drug Resistance
Drug Resistance, Multiple, Bacterial
Repetitive Sequences, Nucleic Acid
Repetitive Sequence–based PCR
Description:Macrolide and rifampin resistance developed on a horse breeding farm after widespread use was instituted for treatment of subclinical pulmonary lesions in foals. Resistance occurred in 6 (24%) of 25 pretreatment and 8 (62%) of 13 (62%) posttreatment isolates from affected foals. Drug-resistant isolates formed 2 distinct genotypic clusters.
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