Unusual Outbreak of Clinical Mastitis in Dairy Sheep Caused by Streptococcus equi subsp. zooepidemicus

AUTOR(ES)

Las Heras, Alfonso

FONTE

American Society for Microbiology

RESUMO

This work describes an outbreak of clinical mastitis affecting 13 of 58 lactating ewes due to Streptococcus equi subsp. zooepidemicus. S. equi subsp. zooepidemicus was isolated in pure culture from all milk samples. All the clinical isolates had identical biochemical profiles and antimicrobial susceptibility patterns and also exhibited indistinguishable macrorestriction patterns by pulsed-field gel electrophoresis, indicating that all cases of mastitis were produced by a single strain.

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