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Abstract

The objective of this study was to investigate the association between teat skin colonization and intramammary infection (IMI) with Staphylococcus aureus or Streptococcus agalactiae at the quarter level in herds with automatic milking systems. Milk and teat skin samples from 1,142 quarters were...

Author(s)
Svennesen, L.; Nielsen, S. S.; Mahmmod, Y. S.; Krömker, V.; Pedersen, K.; Klaas, I. C.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 1, pp 629-639
Abstract

We aimed to evaluate the elimination of 4 different mastitis pathogens, Streptococcus agalactiae, Mycoplasma bovis, Staphylococcus aureus, and Streptococcus uberis, from infected udder quarters during the dry period using quantitative PCR. The second purpose of this study was to evaluate the...

Author(s)
Timonen, A. A. E.; Katholm, J.; Petersen, A.; Orro, T.; Mõtus, K.; Kalmus, P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 10, pp 9332-9338
Abstract

The objective of the study was to assess the value of quantitative multiplex real-time PCR examination of bulk tank milk samples for bovine mastitis pathogens as a tool for herd level diagnosis. Using a logistic regression model, this study is aimed at calculating the threshold level of the...

Author(s)
Soltau, J. B.; Einax, E.; Klengel, K.; Katholm, J.; Failing, K.; Wehrend, A.; Donat, K.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2017, 100, 10, pp 8287-8295
Abstract

The objective of this study was to determine the lipolytic activity on milk fat of 2 bovine mastitis pathogens, that is, Staphylococcus aureus and Streptococcus agalactiae. The lipolytic activity was determined by 2 different techniques, that is, thin-layer chromatography and an...

Author(s)
Vidanarachchi, J. K.; Li ShengJie; Lundh, Ǻ. S.; Johansson, M.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2015, 98, 12, pp 8560-8564
Abstract

Results of a commercial real-time PCR analysis for 11 mastitis pathogens from bulk tank milk (BTM) samples from all 4,258 Danish dairy herds in November 2009 to January 2010 were compared with somatic cell count (SCC) and total bacteria count (TBC) estimates in BTM. For Streptococcus agalactiae, ...

Author(s)
Katholm, J.; Bennedsgaard, T. W.; Koskinen, M. T.; Rattenborg, E.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2012, 95, 10, pp 5702-5708
Abstract

A cross-sectional study was carried out from October 2008 to May 2009 in smallholder dairy farms in and around Hawassa to estimate the prevalence of mastitis, to isolate and characterize major bacterial pathogens, and to identify possible associated factors. The study involved a total of 201...

Author(s)
Mesele Abera; Tadios Habte; Kassaye Aragaw; Kassahun Asmare; Desie Sheferaw
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2012, 44, 6, pp 1175-1179
AbstractFull Text

Author(s)
Pyorala, S.
Publisher
The North American Veterinary Conference, Gainesville, USA
Citation
The North American Veterinary Conference 2003, Large Animal. Orlando, Florida, USA, 18-22 January, 2003, 2003, pp 78-79
Abstract

To investigate occurrence of acquired antimicrobial resistance in udder pathogens MICs in Staphylococcus aureus (n=211), coagulase-negative staphylococci (CNS) (n=56), Streptococcus uberis (n=113), Streptococcus dysgalactiae (n=152), Streptococcus agalactiae (n=6), Escherichia coli (n=163), and ...

Author(s)
Bengtsson, B.; Unnerstad, H. E.; Ekman, T.; Artursson, K.; Nilsson-Öst, M.; Waller, K. P.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2009, 136, 1/2, pp 142-149
Abstract

The results of mastitis bacteriology carried out by the National Veterinary and Food Research Institute in Finland during the past 50 years (1.15 million samples) are viewed in relation to simultaneous changes in dairy cow management. Although intensive preventive measures have been applied for...

Author(s)
Myllys, V.; Honkanen-Buzalski, T.; Huovinen, P.; Sandholm, M.; Nurmi, E.
Citation
Acta Veterinaria Scandinavica, 1994, 35, 4, pp 363-369
Abstract

4645 quarter milk samples from 1179 cows from 20 commercial dairy herds were examined from December 1992 to February 1993. 859 isolates from 839 (18.1%) culture positive samples were assigned to 34 different species and subspecies. Staphylococcus aureus was found in 10.2% of the samples and was the ...

Author(s)
Aarestrup, F. M.; Wegener, H. C.; Rosdahl, V. T.; Jensen, N. E.
Citation
Acta Veterinaria Scandinavica, 1995, 36, 4, pp 475-487

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