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Table 2 Results of culture of secretions recovered from 547 mammary glands with clinical mastitis.

From: Clinical mastitis in ewes; bacteriology, epidemiology and clinical features

Bacteriological finding n %
Staphylococcus aureus 357 65.3
Coagulase-negative staphylococci 16 2.9
Streptococcus uberis 9 1.6
Streptococcus dysgalactiae a 8 1.5
Streptococcus spp.b 8 1.5
Enterococcus spp. 4 0.7
Escherichia coli 35 6.4
Klebsiella pneumoniae 2 0.4
Enterobacter spp. 3 0.5
Mannheimia haemolytica 10 1.8
Arcanobacterium pyogenes 4 0.7
Clostridium perfringens 7 1.3
Pasteurella spp.c 4 0.7
No growth 72 13.2
Contaminated samplesd 8 1.5
  1. aSubsp. dysgalactiae.
  2. bOther than Str. dysgalactiae and Str. uberis.
  3. c Pasteurella mairii (2 samples), Pasteurella multocida (2 samples).
  4. dIf blood agar plates contained more than two different types of colonies.