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Abstract

The objective of this trial was to compare a powdered 0.5% chlorhexidine acetate-based postmilking teat dip with a foamed 1% iodine-based postmilk teat dip during winter on clinical mastitis, subclinical mastitis (somatic cell count ≥200,000 cells/mL), linear score, teat skin condition, teat end...

Author(s)
Morrill, K. M.; Smith, J. C. S.; Dann, H. M.; Gauthier, H. M.; Ballard, C. S.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 3, pp 2507-2514
Abstract

The objective of this study was to determine whether the occurrence of a previous case of pathogen-specific clinical mastitis (CM) protects Holstein dairy cows against a recurrent case. Pathogens studied were Escherichia coli, Staphylococcus aureus, Staphylococcus spp., Streptococcus spp., ...

Author(s)
Cha, E.; Hertl, J.; Schukken, Y.; Tauer, L.; Welcome, F.; Gröhn, Y.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Journal of Dairy Research, 2016, 83, 1, pp 72-80
Abstract

An algorithm using only computer-based records to guide selective dry-cow therapy was evaluated at a New York State dairy farm via a randomized field trial. DairyComp 305 (Valley Ag Software, Tulare, CA) and Dairy Herd Improvement Association test-day data were used to identify cows as low risk...

Author(s)
Vasquez, A. K.; Nydam, D. V.; Foditsch, C.; Wieland, M.; Lynch, R.; Eicker, S.; Virkler, P. D.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 6, pp 5345-5361
Abstract

The purpose was to compare immediate intramammary antimicrobial treatment of all cases of clinical mastitis with a selective treatment protocol based on 24-h culture results. The study was conducted at a 3,500-cow commercial farm in New York. Using a randomized design, mild to moderate clinical...

Author(s)
Vasquez, A. K.; Nydam, D. V.; Capel, M. B.; Eicker, S.; Virkler, P. D.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2017, 100, 4, pp 2992-3003
Abstract

Many methicillin-resistant Staphylococcus aureus (MRSA) strains are multidrug-resistant; consequently, infectious diseases involving MRSA are recognized as troublesome diseases not only in human health care but also in animal health care. A bovine mastitis case caused by MRSA isolates of the New...

Author(s)
Hata, E.
Publisher
American Association of Veterinary Laboratory Diagnosticians, Davis, USA
Citation
Journal of Veterinary Diagnostic Investigation, 2016, 28, 3, pp 291-298
Abstract

The objective of this study was to estimate the effects of clinical mastitis (CM) cases due to different pathogens on milk yield in Holstein cows. The first 3 CM cases in a cow's lactation were modeled. Eight categories of pathogens were included: Streptococcus spp.; Staphylococcus aureus;...

Author(s)
Hertl, J. A.; Schukken, Y. H.; Welcome, F. L.; Tauer, L. W.; Gröhn, Y. T.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2014, 97, 3, pp 1465-1480
Abstract

The objective of this study was to estimate the effects of pathogen-specific clinical mastitis (CM), occurring in different weekly intervals before or after artificial insemination (AI), on the probability of conception in Holstein cows. Clinical mastitis occurring in weekly intervals from 6 wk...

Author(s)
Hertl, J. A.; Schukken, Y. H.; Welcome, F. L.; Tauer, L. W.; Gröhn, Y. T.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2014, 97, 11, pp 6942-6954
Abstract

The objective of this study was to estimate the effect of a first and repeated cases of bacteria-specific clinical mastitis (CM) on the risk of mortality and culling in Holstein dairy cows. The pathogens studied were Streptococcus spp., Staphylococcus aureus, Staphylococcus spp., Escherichia coli, ...

Author(s)
Cha, E.; Hertl, J. A.; Schukken, Y. H.; Tauer, L. W.; Welcome, F. L.; Gröhn, Y. T.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2013, 96, 8, pp 4993-5007
Abstract

The objective of this study was to use pyrosequencing of the 16S rRNA genes to describe the microbial diversity of bovine milk samples derived from clinically unaffected quarters across a range of somatic cell counts (SCC) values or from clinical mastitis, culture negative quarters. The obtained...

Author(s)
Oikonomou, G.; Bicalho, M. L.; Meira, E.; Rossi, R. E.; Foditsch, C.; Machado, V. S.; Teixeira, A. G. V.; Santisteban, C.; Schukken, Y. H.; Bicalho, R. C.
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2014, 9, 1, pp e85904
Abstract

The purpose of this study was to assess the association of bulk tank milk standard plate counts, bulk tank coliform counts (CC), and the presence of Staphylococcus aureus in bulk tank milk with various management and farm characteristics on organic and conventional dairy farms throughout New York,...

Author(s)
Cicconi-Hogan, K. M.; Gamroth, M.; Richert, R.; Ruegg, P. L.; Stiglbauer, K. E.; Schukken, Y. H.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2013, 96, 12, pp 7578-7590

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