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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
AbstractFull Text

Mastitis control on AMS farms represents a different challenge compared to herds with milking parlours. Understanding the consequences of different settings of cow preparation, milking and post milking treatment and monitoring the reliability of the individual milking robots and the workers ability ...

Author(s)
Bennedsgaard, T. W.
Publisher
The Dairy Group, British Cattle Veterinary Association, The University of Nottingham, Taunton, UK
Citation
2017 British Mastitis Conference, 15 November 2017, Worcester, UK, 2017, pp 1-4
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

Denmark is a low prevalence country with regard to methicillin resistant Staphylococcus aureus (MRSA). In 2008 and 2014, two neonatal wards in the Copenhagen area experienced outbreaks with a typical community acquired MRSA belonging to the same spa type and sequence type (t015:ST45) and both were...

Author(s)
Franck, K. T.; Gumpert, H.; Olesen, B.; Larsen, A. R.; Petersen, A.; Bangsborg, J.; Albertsen, P.; Westh, H.; Bartels, M. D.
Publisher
Frontiers Media S.A., Lausanne, Switzerland
Citation
Frontiers in Microbiology, 2017, 8, February, pp 173
Abstract

Danish farmers can order a real-time PCR mastitis diagnostic test on routinely taken cow-level samples from milk recordings. Validation of its performance in comparison to conventional mastitis diagnostics under field conditions is essential for efficient control of intramammary infections (IMI)...

Author(s)
Mahmmod, Y. S.; Toft, N.; Katholm, J.; Grønbæk, C.; Klaas, I. C.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2013, 112, 3/4, pp 309-317
Abstract

Methicillin-resistant S. aureus (MRSA) of clonal complex 398 (CC398) is emerging globally among production animals such as cattle, pigs and poultry as well as among humans. However, little is known about the prevalence of CC398 among methicillin sensitive S. aureus (MSSA) or the relative clonal...

Author(s)
Hasman, H.; Moodley, A.; Guardabassi, L.; Stegger, M.; Skov, R. L.; Aarestrup, F. M.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Microbiology, 2010, 141, 3/4, pp 326-331
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
Abstract

The aim of this study was to investigate whether quantitative trait loci (QTL) affecting the risk of clinical mastitis (CM) and QTL affecting somatic cell score (SCS) exhibit pathogen-specific effects on the incidence of mastitis. Bacteriological data on mastitis pathogens were used to investigate...

Author(s)
Sørensen, L. P.; Guldbrandtsen, B.; Thomasen, J. R.; Lund, M. S.
Publisher
American Dairy Science Association, Savoy, USA
Citation
Journal of Dairy Science, 2008, 91, 6, pp 2493-2500

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