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Resistance to penicillin of Staphylococcus aureus isolates from cows with high somatic cell counts in organic and conventional dairy herds in Denmark |
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| Authors: | Torben W Bennedsgaard Stig M Thamsborg Frank M Aarestrup Carsten Enevoldsen Mette Vaarst Anna B Christoffersen |
| Affiliation: | (1) Department of Animal Health, Welfare and Nutrition, Danish Institute for Agricultural Sciences, 8830 Tjele, Denmark;(2) Department of Veterinary Pathobiology, The Royal Veterinary and Agricultural University, 1870 Frederiksberg C, Denmark;(3) Danish Institute for Food and Veterinary Research, 1790 Copenhagen V, Denmark;(4) Department of Large Animal Sciences, The Royal Veterinary and Agricultural University, 1870 Frederiksberg C, Denmark |
| Abstract: | BackgroundQuarter milk samples from cows with high risk of intramammary infection were examined to determine the prevalence of Staphylococcus aureus (SA) and penicillin resistant SA (SAr) in conventional and organic dairy herds and herds converting to organic farming in a combined longitudinal and cross-sectional study. |
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