Table 5

Occurrence of antimicrobial resistance among Streptococcus spp. from cases of bovine mastitis in different countries in Europe.
Antimicrobial agent
 Year
 Bacterial species, country and prevalence of resistance




S. uberis
 S. dysgalactiae




E
 F
 I
 NL
 S
 E
 F
 NL
 S

Chloramphenicol
 2002
 -
 -
 -
 -
 0.0
 -
 -
 -
 0.0

2003
 -
 -
 7.0
 -
 -
 -
 -
 -
 -

2004
 -
 -
 -
 -
 -
 -
 -
 -
 -

Erythromycin
 2002
 8.0
 22.2
 -
 21.4
 0.0
 3.0
 14.8
 14.0
 0.0

2003
 8.0
 17.0
 22.0
 19.3
 -
 5.0
 17.0
 12.8
 -

2004
 8.0
 -
 -
 0.0
 -
 2.0
 -
 6.7
 -

Gentamicin
 2002
 -
 52.7
 -
 -
 -
 -
 11.7
 -
 -

2003
 -
 -
 52.0
 -
 -
 -
 -
 -
 -

2004
 -
 -
 -
 -
 -
 -
 -
 -
 -

Penicillin
 2002
 0.3
 0.4
 -
 3.9
 0.0
 0.7
 3.4
 0.0
 0.0

2003
 0.0
 1.0
 0.0
 0.0
 -
 0.0
 0.0
 0.0
 -

2004
 0.0
 -
 -
 0.0
 -
 0.0
 -
 0.0
 -

Tetracycline
 2002
 15.0
 20.9
 -
 33.0
 2.0
 46.0
 41.6
 76.6
 6.0

2003
 11.0
 17.0
 44.0
 41.0
 -
 47.0
 53.0
 76.6
 -

2004
 15.0
 -
 -
 35.4
 -
 39.0
 -
 67.8
 -

TMP + Sulphonamides
 2002
 -
 0.8
 -
 8.7
 0.0
 -
 6.6
 0.0
 0.0

2003
 -
 0.0
 -
 1.2
 -
 -
 4.0
 0.0
 -

2004
 -
 -
 -
 0.0
 -
 -
 -
 0.0
 -

E – England, F – France; I – Italy; NL – The Netherlands; S – Sweden.

Hendriksen et al. Acta Veterinaria Scandinavica 2008 50:28   doi:10.1186/1751-0147-50-28