Summary: INFLAMMATION of the UDDER in cows.
Publications247 found, 100 shown here
- Genetically enhanced cows resist intramammary Staphylococcus aureus infectionRobert J Wall
Biotechnology and Germplasm Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville, MD 20705, USA
Nat Biotechnol 23:445-51. 2005..Our results indicate that genetic engineering can provide a viable tool for enhancing resistance to disease and improve the well-being of livestock...
- Multilocus sequence typing of Staphylococcus aureus isolated from high-somatic-cell-count cows and the environment of an organic dairy farm in the United KingdomE M Smith
Department of Biological Sciences, University of Warwick, Coventry, UK
J Clin Microbiol 43:4731-6. 2005..4% of milk samples. Different strains were associated with variable persistence within quarters. MLST is clearly a very suitable tool for the differentiation and analysis of S. aureus populations detected on dairy cattle farms...
- Severity of E. coli mastitis is mainly determined by cow factorsChristian Burvenich
Mammary gland and Mastitis Research Centre, Department of Physiology, Biochemistry and Biometrics, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium
Vet Res 34:521-64. 2003..coli, connection between endotoxins, tumor necrosis factor-alpha and nitric oxide, severity classification of E. coli mastitis, lifespan of neutrophils, host factors that influence severity, tissue damage and production loss...
- Survey of the incidence and aetiology of mastitis on dairy farms in England and WalesA J Bradley
School of Clinical Veterinary Science, University of Bristol, Langford
Vet Rec 160:253-7. 2007..Staphylococcus aureus and coagulase-positive staphylococci together accounted for 10 per cent of the samples with high somatic cell counts; 39 per cent produced no bacterial growth...
- Characterization of methicillin-resistant Staphylococcus aureus ST398 from cases of bovine mastitisAndrea Fessler
Institute of Farm Animal Genetics, Friedrich Loeffler Institut, Neustadt Mariensee, Germany
J Antimicrob Chemother 65:619-25. 2010....
- Coagulase-negative staphylococci as cause of bovine mastitis- not so different from Staphylococcus aureus?Suvi Taponen
University of Helsinki, Department of Production Animal Medicine, Helsinki, Finland
Vet Microbiol 134:29-36. 2009..Staphylococci are the bacteria most commonly isolated from bovine mastitis, and CNS are now predominant over S. aureus in most countries...
- Effect of pathogen-specific clinical mastitis on milk yield in dairy cowsY T Grohn
Section of Epidemiology, Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
J Dairy Sci 87:3358-74. 2004..These findings provide dairy producers with more information on which pathogen-specific CM cases should receive treatment and how to manage these cows, thereby reducing CM impact on cow well being and profitability...
- Identification and characterization of methicillin-resistant coagulase-negative staphylococci from bovine mastitisAndrea T Fessler
Institute of Farm Animal Genetics, Friedrich Loeffler Institut FLI, Neustadt Mariensee, Germany
J Antimicrob Chemother 65:1576-82. 2010....
- Invited Review: The role of cow, pathogen, and treatment regimen in the therapeutic success of bovine Staphylococcus aureus mastitisH W Barkema
Dept of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PEI, Canada
J Dairy Sci 89:1877-95. 2006..aureus infections is often justified based on bacteriological cure and economic outcome, whereas treatment of older animals, chronic infections, or penicillin-resistant isolates should be discouraged...
- Comparison of a commercialized phenotyping system, antimicrobial susceptibility testing, and tuf gene sequence-based genotyping for species-level identification of coagulase-negative staphylococci isolated from cases of bovine mastitisA Capurro
National Veterinary Institute, SE 75189 Uppsala, Sweden
Vet Microbiol 134:327-33. 2009..The present study indicates that the studied phenotypic methods are unreliable for identification of CNS from bovine intra-mammary infections...
- Organ- and host-specific clonal groups of Staphylococcus aureus from human infections and bovine mastitis revealed by the clumping factor A geneKamaleldin B Said
Department of Animal Science, McGill University, Quebec, Canada
Foodborne Pathog Dis 7:111-9. 2010..R-domain of the clumping factor A gene in 95 isolates from different organs in human patients and from bovine mastitis, using polymerase chain reaction, sequencing, multiple sequence alignment, and phylogenetic relationships...
- Characterization of Dutch Staphylococcus aureus from bovine mastitis using a Multiple Locus Variable Number Tandem Repeat AnalysisRisma Ikawaty
Department of Medical Microbiology, University Medical Centre Utrecht, Utrecht, The Netherlands
Vet Microbiol 136:277-84. 2009..Locus Variable Number Tandem Repeat Analysis (MLVA) scheme with 6 loci which lacks most drawbacks on 85 bovine mastitis isolates from The Netherlands. For each locus the number of repeat units (RU) was calculated...
- Repeat-based subtyping and grouping of Staphylococcus aureus from human infections and bovine mastitis using the R-domain of the clumping factor A geneKamaleldin B Said
Department of Animal Science, McGill University, Ste Anne de Bellevue, Quebec H9X 3V9, Canada
Diagn Microbiol Infect Dis 63:24-37. 2009..DNA from isolates and strains of human infections and bovine mastitis were amplified and sequenced. Sequences of clfA from published strains were also analyzed...
- Clinical characteristics and persistence of bovine mastitis caused by different species of coagulase-negative staphylococci identified with API or AFLPSuvi Taponen
University of Helsinki, Faculty of Veterinary Medicine, Department of Clinical Veterinary Sciences, Finland
Vet Microbiol 115:199-207. 2006..9%, as opposed to only 45.5% for untreated quarters. Bacterial cure rates for the most common CNS species or AFLP clusters were not statistically different. Further studies on identification of CNS species are needed...
- Bovine mastitis in Finland 2001--prevalence, distribution of bacteria, and antimicrobial resistanceA Pitkälä
National Veterinary and Food Research Institute, EELA, PB 45, FIN 00581 Helsinki, Finland
J Dairy Sci 87:2433-41. 2004A nationwide survey was conducted in Finland to estimate prevalence of bovine mastitis, distribution of mastitis pathogens, and in vitro antimicrobial susceptibility of different mastitis pathogens...
- Monitoring udder health and milk quality using somatic cell countsYnte H Schukken
Quality Milk Production Services, Cornell Veterinary Medicine, Cornell University, 22 Thornwood Drive, Ithaca, NY 14850, USA
Vet Res 34:579-96. 2003..These programs are necessarily dynamic and complex. Implementation of complete udder health programs should be accompanied by research efforts to further fine-tune these complete udder health control and monitoring programs...
- Increase of Escherichia coli inoculum doses induces faster innate immune response in primiparous cowsF Vangroenweghe
Ghent University, Faculty of Veterinary Medicine, Department of Physiology, Biochemistry, and Biometrics, Salisburylaan 133, 9820 Merelbeke, Belgium
J Dairy Sci 87:4132-44. 2004..coli infection efficiently. Moreover, increasing the inoculum dose induces a more rapid inflammatory reaction, mainly because of early activation of the innate host immune response...
- Bovine mastitis: an evolving diseaseA Bradley
Division of Animal Health and Husbandry, Department of Clinical Veterinary Science, University of Bristol, Langford House, Langford, Bristol, BS40 5DU, UK
Vet J 164:116-28. 2002..Escherichia coli and Streptococcus uberis are now the two most common causes of bovine mastitis and are an increasing problem in low somatic cell count herds...
- Escherichia coli, but not Staphylococcus aureus triggers an early increased expression of factors contributing to the innate immune defense in the udder of the cowWolfram Petzl
Clinic for Ruminants, Ludwig Maximilians University, Munich, Germany
Vet Res 39:18. 2008..Using the established mastitis model, the data clearly demonstrate a pathogen-dependent difference in the time kinetics of induced pathogen receptors and defense molecules...
- Molecular and genetic characterization of a novel nisin variant produced by Streptococcus uberisRuth E Wirawan
Department of Microbiology and Immunology, University of Otago, P.O. Box 56, Dunedin, New Zealand
Appl Environ Microbiol 72:1148-56. 2006Streptococcus uberis is one of the principal causative agents of bovine mastitis. In this study, we report that S. uberis strain 42 produces a lantibiotic, nisin U, which is 78% identical (82% similar) to nisin A from Lactococcus lactis...
- Pathogen-dependent induction of cytokines and other soluble inflammatory mediators during intramammary infection of dairy cowsD D Bannerman
Bovine Functional Genomics Laboratory, Beltsville Agricultural Research Center, ARS, USDA, Beltsville, MD 20705, USA
J Anim Sci 87:10-25. 2009....
- Virulence genes of bovine Staphylococcus aureus from persistent and nonpersistent intramammary infections with different clinical characteristicsM Haveri
Department of Clinical Veterinary Sciences, Faculty of Veterinary Medicine, University of Helsinki, Finland
J Appl Microbiol 103:993-1000. 2007..To examine, whether a possible relationship exists between genetic profile and infection persistence, clinical signs of infection, clonal type determined by pulsed-field gel electrophoresis (PFGE), and antimicrobial resistance...
- Pathogenomic analysis of the common bovine Staphylococcus aureus clone (ET3): emergence of a virulent subtype with potential risk to public healthCaitriona M Guinane
Centre for Infectious Diseases, The Chancellor s Building, New Royal Infirmary, University of Edinburgh, Edinburgh, Scotland, United Kingdom
J Infect Dis 197:205-13. 2008A common clone (ET3) of Staphylococcus aureus is responsible for a large proportion of cases of bovine mastitis and occasionally causes zoonotic infections of humans...
- Alternative somatic cell count traits as mastitis indicators for genetic selectionY de Haas
NRS, Animal Evaluation Unit, PO Box 454, NL 6800 AL Arnhem, The Netherlands
J Dairy Sci 91:2501-11. 2008..Therefore, use of information from a combination of different SCC traits may be more successful in improving overall udder health than the traditional single SCC measure...
- Elevated milk soluble CD14 in bovine mammary glands challenged with Escherichia coli lipopolysaccharideJ W Lee
Department of Animal Science, McGill University, Ste-Anne-de-Bellevue, Quebec, H9X 3V9, Canada
J Dairy Sci 86:2382-9. 2003..The increase was not likely due to serum leakage. Instead, infiltrated neutrophils might be the main source of increased sCD14 in milk during inflammation...
- Geographical variation in the presence of genes encoding superantigenic exotoxins and beta-hemolysin among Staphylococcus aureus isolated from bovine mastitis in Europe and USAH D Larsen
Danish Veterinary Laboratory, Bulowsvej 27, DK 1790 Copenhagen V, Denmark
Vet Microbiol 85:61-7. 2002..exotoxins and beta-hemolysin among epidemiologically independent Staphylococcus aureus isolates from bovine mastitis. A total of 462 S...
- Milk culture results in a large Norwegian survey--effects of season, parity, days in milk, resistance, and clusteringO Osterås
Department of Norwegian Cattle Health Services, TINE Norwegian Dairies BA, As, Norway
J Dairy Sci 89:1010-23. 2006..aureus was likely due to higher prevalence of Staph. aureus as a whole, but for CNS, there was also an additional increase caused by a higher proportional rate of penicillin resistance during the late indoor season...
- Analysis of the real EADGENE data set: comparison of methods and guidelines for data normalisation and selection of differentially expressed genes (open access publication)Florence Jaffrezic
INRA, UR337, Jouy en Josas, France INRA_J
Genet Sel Evol 39:633-50. 2007..These analyses also emphasised a biological problem of cross-talk between infected and uninfected quarters which will have to be dealt with for further microarray studies...
- Phenotypic and genetic characterisation of bacteriocin-producing strains of Staphylococcus aureus involved in bovine mastitisJanaína dos Santos Nascimento
Departamento de Microbiologia Geral, Instituto de Microbiologia UFRJ, CCS Bloco 1, Cidade Universitaria, 21941 590, Rio de Janeiro, Brazil
Vet Microbiol 85:133-44. 2002Fifty strains of Staphylococcus spp. isolated from bovine mastitis cases in several herds from different Argentinian provinces were screened for antimicrobial substances...
- Molecular typing of enterotoxigenic Staphylococcus aureus isolated from bovine mastitis in KoreaSuk-Kyung Lim
National Veterinary Research and Quarantine Service, Ministry of Agriculture and Forestry, Anyang, Kyonggido, South Korea
J Vet Med Sci 66:581-4. 2004..4% exhibited the same PFGE pattern I. Accordingly, although the enterotoxin-producing S. aureus isolates from bovine mastitis were genetically diverse, 1 common genotype prevailed on the farms, indicating that PFGE pattern I isolates ..
- Escherichia coli and Staphylococcus aureus elicit differential innate immune responses following intramammary infectionDouglas D Bannerman
Bovine Functional Genomics Laboratory, USDA Agricultural Research Service ANRI, BARC East, Bldg 1040, Room 2, Beltsville, MD 20705 2350, USA
Clin Diagn Lab Immunol 11:463-72. 2004..coli and S. aureus and suggest that the limited cytokine response to S. aureus may contribute to the well-known ability of the bacterium to establish chronic intramammary infection...
- Diagnosis of clinical bovine mastitis by fine needle aspiration followed by staining and scanning electron microscopy in a Prototheca zopfii outbreakElizabeth Oliveira da Costa
Research Nucleus on Mammary Gland and Milk Production, Department of Preventive Veterinary Medicine and Animal Health, , , , SP, Brazil
Mycopathologia 158:81-5. 2004..with microbiological examination and scanning electron microscopy were evaluated in diagnosis of clinical bovine mastitis in a Prototheca zopfii outbreak...
- Staphylococcus aureus exosecretions and bovine mastitisA Younis
National Mastitis Reference Center, Kimron Veterinary Institute, Dagan, Israel
J Vet Med B Infect Dis Vet Public Health 50:1-7. 2003..An association was found between the combinations of expressed bands and the cow responses: the majority of the cases could be linked to the expression of bands B and C...
- Efficacy of a teat dip containing the bacteriocin lacticin 3147 to eliminate Gram-positive pathogens associated with bovine mastitisKatja Klostermann
Moorepark Food Research Centre, Teagasc, Moorepark, Fermoy, Co Cork, Ireland
J Dairy Res 77:231-8. 2010..Streptococcal challenges were reduced by 97% for Str. dysgalactiae and by 90% for Str. uberis. These trials showed that the teat dip is able to reduce mastitis pathogens on the teats of lactating cows...
- Intramammary infusion of a live culture of Lactococcus lactis for treatment of bovine mastitis: comparison with antibiotic treatment in field trialsKatja Klostermann
Moorepark Food Research Centre, Teagasc, Moorepark, Fermoy, Co Cork, Ireland
J Dairy Res 75:365-73. 2008..The results of these trials suggest that live culture treatment with Lc. lactis DPC3147 may be as efficacious as common antibiotic treatments in some instances...
- Cow, farm, and management factors during the dry period that determine the rate of clinical mastitis after calvingM J Green
School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington, LE12 5RD, United Kingdom
J Dairy Sci 90:3764-76. 2007..The research indicates that specific dry-period management strategies have an important influence on the rate of clinical mastitis during the next lactation...
- Technical note: Antimicrobial susceptibility of Portuguese isolates of Staphylococcus aureus and Staphylococcus epidermidis in subclinical bovine mastitisS F Nunes
Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinaria, Av Universidade Técnica, 1300 477 Lisbon, Portugal
J Dairy Sci 90:3242-6. 2007To evaluate the antimicrobial resistance traits of staphylococci responsible for subclinical bovine mastitis in Portugal, the minimum inhibitory concentrations (MIC) of 7 antimicrobial agents, frequently administered for mastitis ..
- Characterisation of isolates of Staphylococcus aureus from acute, chronic and subclinical mastitis in cows in NorwayT Tollersrud
National Veterinary Institute, Oslo, Norway
APMIS 108:565-72. 2000Eighty-six Staphylococcus aureus isolates from cases of bovine mastitis were characterised biochemically and with respect to serotype, multilocus enzyme electrophoresis genotypes, antibiotic sensitivity, and production of enterotoxins A ..
- Protective effect of glutathione S-transferase-fused mutant staphylococcal enterotoxin C against Staphylococcus aureus-induced bovine mastitisJing Chun Cui
Department of Preventive Veterinary Science, School of Veterinary Medicine, Northeastern Agricultural University, Harbin 150030, PR China
Vet Immunol Immunopathol 135:64-70. 2010..aureus-induced bovine mastitis. Cows were immunized with the GST-mSEC plus alum adjuvant and then challenged with viable S...
- Persistence in bovine mastitis of Staphylococcus aureus clones as assessed by random amplified polymorphic DNA analysis, ribotyping and biotypingV Myllys
National Veterinary and Food Research Institute, Helsinki, Finland
Vet Microbiol 57:245-51. 1997Staphylococcus aureus isolates (N = 40) from bovine mastitis were characterized by random amplified polymorphic DNA-PCR (RAPD-PCR), ribotyping and biotyping...
- Antimicrobial resistance of Staphylococcus aureus isolated from bovine mastitis in ChinaD Shi
College of Veterinary, Inner Mongolia Agricultural University, Inner Mongolia, China
Transbound Emerg Dis 57:221-4. 2010..30% (206 of 236) isolates were resistant to penicillin G. This result compares with the reports from other countries; the overall level of resistance was generally high for all antimicrobial agents tested...
- Bovine mastitis and intramammary drug delivery: review and perspectivesP Gruet
CEVA Sante Animale, Research and Development, BP126, F 33501 Libourne cedex, France
Adv Drug Deliv Rev 50:245-59. 2001..g. liposomes, microparticles or nanoparticles) that allow uptake of the active component by phagocytes and thus prolong an enhanced antibacterial activity...
- Determination of epidemiological relationships of Streptococcus agalactiae isolated from bovine mastitisKristin Merl
, , Luisenplatz 2, D-64283, Darmstadt, Germany
FEMS Microbiol Lett 226:87-92. 2003..agalactiae strain or at least closely related subtypes of this strain were responsible for the mastitis situation of the seven farms...
- Adhesion and invasion of Escherichia coli from single and recurrent clinical cases of bovine mastitis in vitroD Döpfer
Department of Bacteriology, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3484 CL, Utrecht, The Netherlands
Vet Microbiol 74:331-43. 2000Seven strains of Escherichia coli, originating from clinical cases of bovine mastitis, and one Salmonella typhimurium control strain were tested for their ability to adhere to, and invade, bovine mammary epithelial cells (MAC-T cells) in ..
- Clinical, epidemiological and molecular characteristics of Streptococcus uberis infections in dairy herdsR N Zadoks
Department of Farm Animal Health, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 7, 3584 CL Utrecht, The Netherlands
Epidemiol Infect 130:335-49. 2003..uberis strains as well as within-cow and between-cow transmission of a limited number of S. uberis strains, with possible transfer of bacteria via the milking machine...
- Identification and epidemiological characterization of Streptococcus uberis isolated from bovine mastitis using conventional and molecular methodsI U Khan
Department of Environmental Health, Toxicology Division, 3223 Eden Ave, University of Cincinnati, Medical Center, Cincinnati, OH 45267-0056, USA
J Vet Sci 4:213-24. 2003..The generally unrelated DNA patterns indicated that S. uberis is a pathogen with multiple environmental habitats and that infections are caused by a great variety of strains...
- Identification of immune genes and proteins involved in the response of bovine mammary tissue to Staphylococcus aureus infectionYlva C Strandberg Lutzow
Co operative Research Centre for Innovative Dairy Products, Australia
BMC Vet Res 4:18. 2008..Moreover, the effect of infection on the presence of bioactive innate immune proteins in milk is also unclear. The nature of these responses may determine the susceptibility of the tissue and its ability to resolve the infection...
- In vitro antimicrobial effect and in vivo preventive and therapeutic effects of partially purified lantibiotic lacticin NK34 against infection by Staphylococcus species isolated from bovine mastitisS Y Kim
Department of Microbiology, College of Veterinary Medicine and BK21 Program for Veterinary Science, Seoul National University, Seoul 151 742, Korea
J Dairy Sci 93:3610-5. 2010..and coagulase-negative Staphylococcus (CNS, n=20) strains isolated from the raw milk of cows with subclinical bovine mastitis in the present study...
- Prototheca zopfii genotypes isolated from cow barns and bovine mastitis in JapanTakafumi Osumi
Department of Pathobiology, Nihon University School of Veterinary Medicine, 1866 Kameino, Fujisawa, Kanagawa 252 8510, Japan
Vet Microbiol 131:419-23. 2008This study is the first investigation on Japanese isolates of Prototheca zopfii from bovine mastitis and the cow-barn surroundings by molecular characterization to clarify routes of infection for bovine protothecal mastitis...
- National intervention study of mastitis control in dairy herds in England and WalesM J Green
School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington Campus, Sutton Bonington LE12 5RD, UK
Vet Rec 160:287-93. 2007..There were also significant reductions of approximately 20 per cent in the incidence of clinical mastitis and in the occurrence of increases in the somatic cell counts of individual cows from below, to above 200,000 cells/ml...
- The dynamics of Staphylococcus aureus intramammary infection in nine Danish dairy herdsH D Larsen
Danish Veterinary Laboratory, Copenhagen V, Denmark
Vet Microbiol 71:89-101. 2000..The results support the hypothesis that some S. aureus mastitis strains are more contagious, virulent or persistent than others. The human reservoir of S. aureus does not play a major role as a source of bovine intramammary infections...
- Sortase anchored proteins of Streptococcus uberis play major roles in the pathogenesis of bovine mastitis in dairy cattleJames A Leigh
The School of Veterinary Medicine and Science, The University of Nottingham, Sutton Bonington Campus, Sutton Bonington, Leicestershire, LE12 5RD, United Kindgom
Vet Res 41:63. 2010..These data demonstrate that a number of sortase anchored proteins each play a distinct, non-redundant and important role in pathogenesis of S. uberis infection within the lactating bovine mammary gland...
- Ribotyping of Streptococcus uberis from a dairy's environment, bovine feces and milkRuth N Zadoks
Department of Food Science, Cornell University, Ithaca, NY 14853, USA Quality Milk Production Services, 22 Thornwood Drive, Cornell University, Ithaca, NY 14850 1263, USA
Vet Microbiol 109:257-65. 2005Streptococcus uberis is a major cause of bovine mastitis and infections commonly result from environmental exposure to the pathogen. To identify specific sources of mastitis-causing S...
- Production effects related to mastitis and mastitis economics in dairy cattle herdsHenri Seegers
Unit of Animal Health Management, UMR 708 ENVN INRA, National Veterinary School, BP 40706, 44307 Nantes Cedex 03, France
Vet Res 34:475-91. 2003..To support decision making for udder health control, it is necessary to use a marginal approach, based on the comparison of the losses avoided and the additional costs of modified plans, compared to the existing ones...
- Evaluation of tandem repeats for MLVA typing of Streptococcus uberis isolated from bovine mastitisFlorence B Gilbert
INRA, UR1282, Infectiologie Animale et Santé Publique IASP, F 37380 Nouzilly, France
BMC Vet Res 2:33. 2006Streptococcus uberis is a common cause of bovine mastitis and recommended control measures, based on improved milking practice, teat dipping and antibiotic treatment at drying-off, are poorly efficient against this environmental pathogen...
- Molecular typing of Streptococcus uberis strains isolated from cases of bovine mastitisR J Wieliczko
Department of Biological Science, University of Waikato, Private Bag 3105, Hamilton, New Zealand
J Dairy Sci 85:2149-54. 2002..00 per reaction), and provided reliable and reproducible results. Furthermore, when these assays were used in conjunction with each other, they provided a means of confirmation of the specific DNA fingerprint patterns obtained...
- Lipocalin-type prostaglandin D synthase in milk: a new biomarker for bovine mastitisR Baeker
Brandenburg State Laboratory of Veterinary Diagnostics and Food Analysis, Potsdam, Germany
Prostaglandins Other Lipid Mediat 67:75-88. 2002..A database search could identify the four spots as isoforms of the bovine prostaglandin D synthase (PGD-S). In one of the isoforms a defined cysteine residue was shown to be oxidized to a sulfonic acid...
- The effect of sampling time and sample handling on the detection of Staphylococcus aureus in milk from quarters with subclinical mastitisSandra M Godden
Department of Clinical and Population Sciences, College of Veterinary Medicine, University of Minnesota, USA
Can Vet J 43:38-42. 2002..05). The ability to detect S. aureus in quarters with subclinical intramammary infection, as measured by the mean category of cfu/mL, was maximized in fresh or frozen premilking samples and in frozen postmilking samples...
- Use of the surface proteins GapC and Mig of Streptococcus dysgalactiae as potential protective antigens against bovine mastitisAlexandra Bolton
Vaccine and Infectious Disease Organization, University of Saskatchewan, Saskatoon, Canada
Can J Microbiol 50:423-32. 2004Streptococcus dysgalactiae is a significant pathogen associated with bovine mastitis in lactating and nonlactating dairy cows, causing a severe inflammatory response of the mammary gland, which results in major economic losses to the ..
- Epidemiological and clinical aspects of the first outbreak of bovine mastitis caused by Prototheca zopfii in Goiás State, BrazilVálter Ferreira Félix Bueno
Centro de Pesquisa em Alimentos, Escola de Veterinaria, Universidade Federal de Goias, Brazil
Mycopathologia 161:141-5. 2006The purpose of this survey was to describe the occurrence of bovine mastitis caused by Prototheca zopfii in Goiás State, Brazil. Samples of milk, environment and udder were taken from a herd of 120 Holstein cows...
- Identification of a bovine mastitis Escherichia coli subsetS Blum
National Mastitis Reference Center, Division of Bacteriology, Kimron Veterinary Institute, Ministry of Agriculture and Rural Development, Bet Dagan, Israel
Vet Microbiol 132:135-48. 2008Eleven Escherichia coli isolates from clinical bovine mastitis cases (mastitic strains) and 11 from the cowshed environment (environmental strains) were compared, to determine if the former were a subset of the latter...
- Molecular epidemiology of Streptococcus uberis isolates from dairy cows with mastitisP Phuektes
Veterinary Preclinical Centre, Faculty of Veterinary Science, The University of Melbourne, Melbourne, Victoria, Australia
J Clin Microbiol 39:1460-6. 2001..uberis infections are epidemiologically complex and that the relative importance of these factors in the occurrence of mastitis may differ between herds...
- Duration of infection and strain variation in Streptococcus uberis isolated from cows' milkS McDougall
Animal Health Centre, Morrinsville, New Zealand
J Dairy Sci 87:2062-72. 2004..uberis infections, and that glands may be infected with multiple S. uberis PFGE types over a lactation...
- MRSA transmission between cows and humansEva Juhász-Kaszanyitzky
Central Veterinary Institute, Budapest, Hungary
Emerg Infect Dis 13:630-2. 2007..To our knowledge, this finding indicates the first documented case of direct transmission of MRSA between cows and humans...
- Host response in bovine mastitis experimentally induced with Staphylococcus chromogenesH Simojoki
University of Helsinki, Department of Production Animal Medicine, Pohjoinen Pikatie 800, 04920 Saarentaus, Finland
Vet Microbiol 134:95-9. 2009..In conclusion, this experimental model could be used to study host response in CNS mastitis caused by the main CNS species and also for comparison of the host response in a mild intramammary infection and in more severe mastitis models...
- Response of Staphylococcus aureus isolates from bovine mastitis to exogenous iron sourcesM S Diarra
Dairy and Swine Research and Development Centre, Agriculture and Agri-Food Canada, Lennoxville, QC, Canada
J Dairy Sci 85:2141-8. 2002..Possible functions of these lactoferrin-binding proteins could not be related to iron acquisition mechanism in S. aureus...
- Innate immune response to intramammary infection with Serratia marcescens and Streptococcus uberisDouglas D Bannerman
Bovine Functional Genomics Laboratory, Beltsville Agricultural Research Center, USDA Agricultural Research Service, Beltsville, MD 20705, USA
Vet Res 35:681-700. 2004..marcescens infection. Together, these data demonstrate the variability of the innate immune response to two distinct mastitis pathogens...
- Milk and serum J5-specific antibody responses, milk production change, and clinical effects following intramammary Escherichia coli challenge for J5 vaccinate and control cowsDavid J Wilson
Department of Population Medicine and Diagnostic Sciences, Cornell University, Ithaca, New York 14850, USA
Clin Vaccine Immunol 14:693-9. 2007..Vaccination with J5 was significantly associated with higher production of J5-specific IgG1 and IgG2 in early lactation, reduced SCC, faster clearance of E. coli from milk, and less milk production loss following intramammary challenge...
- Short-term changes of mRNA expression of various inflammatory factors and milk proteins in mammary tissue during LPS-induced mastitisS Schmitz
Institute of Physiology, Technical University Munich, D-85354 Freising-Weihenstephan, Germany
Domest Anim Endocrinol 26:111-26. 2004..05). In conclusion, mRNA expression of most inflammatory factors increased within hours, whereas that of most milk proteins remained unchanged...
- The effect of milk production level on host resistance of dairy cows, as assessed by the severity of experimental Escherichia coli mastitisEsther Kornalijnslijper
Department of Farm Animal Health, Ruminant Health Unit, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 7, 3584 CL Utrecht, The Netherlands
Vet Res 34:721-36. 2003..coli mastitis. Even in a situation where cows were metabolically stressed by overfeeding, high producers were as able as low producers to cope with the demands of milk production, without consequences for host resistance...
- Hyperinvasive neonatal group B streptococcus has arisen from a bovine ancestorNaiel Bisharat
Nuffield Department of Clinical Laboratory Sciences, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom
J Clin Microbiol 42:2161-7. 2004..Split decomposition analysis revealed that the human isolate ST-17 complex, the major hyperinvasive neonatal clone, has recently arisen from a bovine lineage...
- Genetic parameters for clinical mastitis, somatic cell score, and production in the first three lactations of Swedish holstein cowsE Carlen
Department of Animal Breeding and Genetics, Swedish University of Agricultural Sciences, PO Box 7023, 75007 Uppsala, Sweden
J Dairy Sci 87:3062-70. 2004..7), LSCS (>0.8), and production traits (>0.9), with the strongest correlations between second and third parity for all traits (>0.9 for udder health traits and close to unity for production traits)...
- The efficacy of bovine lactoferrin in the treatment of cows with experimentally induced Escherichia coli mastitisT Kutila
Faculty of Veterinary Medicine, Department of Clinical Veterinary Sciences, Helsinki University, Helsinki, Finland
J Vet Pharmacol Ther 27:197-202. 2004..The concentration of lipopolysaccharide in milk compared with the number of bacteria was significantly lower in Lf than in enrofloxacin-treated cows (20 h PC)...
- A partial budget model to estimate economic benefits of lactational treatment of subclinical Staphylococcus aureus mastitisJ M Swinkels
Innovet Bovine Herd Health Consultancy, Noordbeemster, 1463 PJ, The Netherlands
J Dairy Sci 88:4273-87. 2005..Although the economic outcome of lactational treatment of subclinical S. aureus mastitis is highly herd-, cow-, and strain-dependent, treatment is economically justified in many situations...
- Mathematical model of the acute inflammatory response to Escherichia coli in intramammary challengeJ Detilleux
Faculty of Veterinary Medicine, University of Liege, Department of Quantitative Genetics, Liege 4000, Belgium
J Dairy Sci 89:3455-65. 2006....
- Phenotypic and genotypic characterization of bovine mastitis isolates of Staphylococcus aureus for biofilm formationPradeep Vasudevan
Department of Animal Science, Unit-40, University of Connecticut, 3636 Horsebarn Hill Road Extension, Storrs, CT 06269, USA
Vet Microbiol 92:179-85. 2003..aureus isolates from bovine mastitis. Thirty-two of the 35 isolates tested produced slime on Congo red agar, whereas only 24 of the isolates were ..
- Immunorelevant gene expression in LPS-challenged bovine mammary epithelial cellsRavi Pareek
Department of Animal Science, Terrill Hall, University of Vermont, 570 Main Street, Burlington, VT 05405, USA
J Appl Genet 46:171-7. 2005..This cell culture model system provides evidence for an important role of the mammary epithelial cell in initiating the innate response to infection...
- Innate immune response of bovine mammary gland to pathogenic bacteria responsible for mastitisJavier Oviedo Boyso
Centro Multidisciplinario de Estudios en Biotecnología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolas de Hidalgo, Apdo Postal 53, Administración Chapultepec, C P 58262 Morelia, Michoacan, Mexico
J Infect 54:399-409. 2007..Knowledge, at the molecular level, of the mammary gland immune response during infection by pathogenic bacteria is fundamental to the design of effective therapies to control and eradicate bovine mastitis.
- The effect of selective dry cow treatment on new intramammary infectionsE A Berry
Institute for Animal Health, Compton, Berkshire, United Kingdom
J Dairy Sci 85:112-21. 2002..It can be concluded that dry cow therapy continues to lower significantly the rate of new dry period intramammary infection in herds with elevated somatic cell counts and a high prevalence of infection...
- Characterization of a Staphylococcus aureus small colony variant (SCV) associated with persistent bovine mastitisHeba Atalla
Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
Foodborne Pathog Dis 5:785-99. 2008Staphylococcus aureus is a common cause of bovine mastitis and foodborne and other diseases in humans. This study tested the hypothesis that small colony variants (SCVs) of S. aureus are implicated in chronic bovine mastitis. Six S...
- Vaccination with the plasminogen activator from Streptococcus uberis induces an inhibitory response and protects against experimental infection in the dairy cowJ A Leigh
Institute for Animal Health, Compton Laboratory, Berks, UK
Vaccine 17:851-7. 1999..Protection corresponded to the production of an inhibitory antibody response to PauA...
- Efficacy of using an internal teat sealer to prevent new intramammary infections in nonlactating dairy cattleCarolyn J Sanford
Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PE C1A 4P3, Canada
J Am Vet Med Assoc 228:1565-73. 2006....
- Udder health shows inbreeding depression in Danish HolsteinsA C Sørensen
Department of Genetics and Biotechnology, Danish Institute of Agricultural Sciences, DK 8830 Tjele, Denmark
J Dairy Sci 89:4077-82. 2006..00 US dollars under Danish production circumstances. These results are a step on the way to estimating the total cost of inbreeding depression to determine an acceptable rate of inbreeding...
- Efficacy of two barrier iodine teat dips under natural exposure conditionsC Foret
DeLaval, Kansas City, MO 64153, USA
J Dairy Sci 89:2279-85. 2006..Barrier 1, with the highest concentration of free iodine, gave the best efficacy results of all 3 dips...
- Effect of intramammary injection of RbIL-8 on milk levels of somatic cell count, chemiluminescence activity and shedding patterns of total bacteria and S. aureus in Holstein cows with naturally infected-subclinical mastitisH Takahashi
Department of Production Animal Diseases, National Institute of Animal Health, Tsukuba 305-0856, Japan
J Vet Med B Infect Dis Vet Public Health 52:32-7. 2005..These results suggest that the rbIL-8 has a potential as a therapeutic agent of the subclinical mastitis of dairy cows, if the cytokine is applied at an initial stage of infection...
- Effect of intramammary injection of rboGM-CSF on milk levels of chemiluminescence activity, somatic cell count, and Staphylococcus aureus count in Holstein cows with S. aureus subclinical mastitisHideyuki Takahashi
Department of Production Animal Diseases, National Institute of Animal Health, 3 1 5 Kannondai, Tsukuba, Ibaraki 305 0856, Japan
Can J Vet Res 68:182-7. 2004..The results suggest that the rboGM-CSF has a potential as a therapeutic agent for S. aureus infection causing subclinical mastitis of dairy cows, if the cytokine is applied at the initial stage of infection...
- Efficacy of extended ceftiofur intramammary therapy for treatment of subclinical mastitis in lactating dairy cowsS P Oliver
Department of Animal Science and the Food Safety Center of Excellence, The University of Tennessee, Knoxville 37996, USA
J Dairy Sci 87:2393-400. 2004..aureus, 80% for Streptococcus dysgalactiae ssp. dysgalactiae, and 67% for Strep. uberis...
- Adherence and efficacy of an external teat sealant to prevent new intramammary infections in the dry periodG H Lim
Department of Population Medicine, Ontario Veterinary College, Guelph, Ontario, Canada N1G 2W1
J Dairy Sci 90:1289-300. 2007..Double sealant application, cooler seasons, and longer teat lengths were associated with a significant increase in the duration of sealant adherence to the teat-end...
- Effects of periparturient systemic treatment with penethamate hydriodide on udder health and milk yield of dairy heifersMartina Kreiger
Clinic for Ruminants, Department for Farm Animals and Herd Management, Veterinary University of Vienna, Austria
J Dairy Res 74:392-8. 2007..Periparturient antibiotic treatment of heifers with penethamate hydriodide prevented IMI during the first week after parturition and achieved a significant increase in milk yield, which was found to be economically beneficial...
- Multifactorial relationships between intramammary invasion by Staphylococcus aureus and bovine leukocyte markersAriel L Rivas
Department of Biological Statistics and Computational Biology, College of Agriculture and Life Sciences, Cornell University, Ithaca, New York 14853, USA
Can J Vet Res 71:135-44. 2007..5% of the bacterial-count variability (P < 0.001); alone, none of these markers predicted CFU variability. These results support further studies aimed at identifying cows capable (or incapable) of early bacterial clearance...
- Relationships between milk culture results and treatment for clinical mastitis or culling in Norwegian dairy cattleO Reksen
Department of Production Animal Clinical Sciences, Norwegian School of Veterinary Science, Oslo, Norway
J Dairy Sci 89:2928-37. 2006..spp. Presence of coagulase-negative Staph. spp. or other pathogens was not associated with either of the outcome variables...
- Streptococcus dysgalactiae isolates at calving and lactation performance within the same lactationA C Whist
Department of Production Animal Clinical Sciences, Norwegian School of Veterinary Science, Oslo, Norway
J Dairy Sci 90:766-78. 2007..dysgalactiae-positive cows were 2.3 (1.9 to 2.9) and 1.6 (1.3 to 2.0) for culling. For cows with both Strep. dysgalactiae and Staphylococcus aureus isolates, the hazard ratio for culling significantly increased to 2.5 (1.9 to 3.2)...
- Relationships between milk culture results and milk yield in Norwegian dairy cattleO Reksen
Norwegian School of Veterinary Science, Department of Production Animal Clinical Sciences, PO Box 8146, N 0033 Oslo, Norway
J Dairy Sci 90:4670-8. 2007..The same association with test-day milk yield was found among Streptococcus spp.-positive pluriparous cows...
- Management practices from questionnaire surveys in herds with very low somatic cell score through a national mastitis program in FranceJ Barnouin
Animal Epidemiology Research Unit, INRA, 63122 Saint Genes Champanelle, France
J Dairy Sci 87:3989-99. 2004..The variables associated with very low SCS should be applied as part of a thorough mastitis-control program adapted to each herd...
- [Mammary gland health: bacteriologic diagnostic test]H Smith
ASG-Wageningen UR, Divisie Infectieziekten, Postbus 65, 8200AB Lelystad
Tijdschr Diergeneeskd 132:740-3. 2007
- Milk flow and udder health in cows after treatment of covered teat injuries via theloresectoscopy: 52 cases (2000-2002)Ulrich T Bleul
Department of Food Animals, Clinic of Reproductive Medicine, Vetsuisse-Faculty, University of Zurich, Winterthurerstrasse 260, 8057 Zurich, Switzerland
J Am Vet Med Assoc 226:1119-23. 2005..Inflammation of the teat sinus and gland at the time of surgery may adversely affect udder health...
- Controlling highly prevalent Staphylococcus aureus mastitis from the dairy farmHajime Nagahata
Department of Animal Health, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Hokkaido 069 8501, Japan
J Vet Med Sci 69:893-8. 2007..The SCC in the bulk milk of the herd dropped to a monthly mean of <20 x 10(4) cells/ml. In conclusion, the control program was effective for controlling persistent S. aureus mastitis in this dairy herd...
- Multilocus sequence typing of intercontinental bovine Staphylococcus aureus isolatesE M Smith
Department of Biological Sciences, University of Warwick, Coventry, UK
J Clin Microbiol 43:4737-43. 2005..Some sequence types (STs; ST25, ST115, ST124, and ST126) demonstrated site specificity, as they were significantly (P < 0.05) associated with milk or teat skin...
- A comparative field trial of cephalonium and cloxacillin for dry cow therapy for mastitis in Australian dairy cowsR W Shephard
Gippsland Herd Improvement Cooperative, 2 Foster Street, Maffra, Victoria 3860
Aust Vet J 82:624-9. 2004..There was no difference between treatments on the incidence of clinical mastitis in the first 7 days after calving...
- Factors affecting cure and somatic cell count after pirlimycin treatment of subclinical mastitis in lactating cowsH A Deluyker
Pfizer Animal Health, Research and Development, 2870 Puurs, Belgium
J Dairy Sci 88:604-14. 2005..Posttreatment SCC was associated with treatment regimen, other risk factors, and interactions among the other risk factors; but these other risk factors did not vary significantly with treatment regimen...
- Prevalence of mastitis pathogens in Ragusa, Sicily, from 2000 to 2006J D Ferguson
University of Pennsylvania, School of Veterinary Medicine, Kennett Square 19348, USA
J Dairy Sci 90:5798-813. 2007..31 to 3.99 (n = 20), MLS 4.00 to 4.46 (n = 20), MLS >4.46 (n = 17), and MLS not available (n = 33)]. Implementation of a milk quality program to control gram-positive organisms is important for Ragusa...
- Triple action chimera: eradication of nasal S. aureus by cell wall hydrolasesDAVID DONOVAN; Fiscal Year: 2009..This study will explore a novel antimicrobial agent (a triple action chimeric viral enzyme) to eradicate S. aureus nasal colonization, since nasal carriage is a known risk factor for infection. ..
- Triple action chimera: eradication of nasal S. aureus by cell wall hydrolasesDAVID MATTHEW DONOVAN; Fiscal Year: 2010..This study will explore a novel antimicrobial agent (a triple action chimeric viral enzyme) to eradicate S. aureus nasal colonization, since nasal carriage is a known risk factor for infection. ..
- VIRULENCE FACTORS OF GROUP B STREPTOCOCCIJohn Bohnsack; Fiscal Year: 2001..This approach will ultimately contribute to understanding the molecular basis of disease caused by GBS, and help devise strategies for preventing and treating this important cause of serious human neonatal bacterial infection. ..
- OXIDANT STRESS AND ENDOTHELIAL CELL METABOLISMLORRAINE SORDILLO; Fiscal Year: 2001..Results form these studies will provide the molecular basis of how Se deficiency can modify resistance to metabolic vascular disorders. ..