BACTERIA Streptococci

• Environmental

  • S. uberis
  • S. dysgalactiae
  • S. equinus

• More subclinical mastitis

• Environment

• Predominant early and late lactation

• Contagious

  • S. agalactiae

• Clinical mastitis

• Cannot live outside the udder

• Treated easily with penicillin

“Streps”

“Environmentals”

“Environmental

Strep”

Field

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