intramammary infection
Direct and indirect measurement of somatic cell count as indicator of intramammary infection in dairy goats
... Background: Mastitis is the most important and costly disease in dairy goat production. Subclinical mastitis is common in goats and is mainly caused by contagious bacteria. Several methods to diagnose subclinical ...
5
Escherichia coli and Staphylococcus aureus Elicit Differential Innate Immune Responses following Intramammary Infection
... against infection and contributes to the initial detection of and proinflammatory response to infectious ...experimental intramammary infection with ...studied. Intramammary infection ...
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Genetic loci of Mycoplasma agalactiae involved in systemic spreading during experimental intramammary infection of sheep
... Mycoplasmas are amongst the most successful pathogens of both humans and animals yet the molecular basis of mycoplasma pathogenesis is poorly understood. This is partly due to the lack of classical virulence factors and ...
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Identification of Coagulase Negative Staphylococci from Bovine Intramammary Infection by Matrix Assisted Laser Desorption Ionization–Time of Flight Mass Spectrometry
... Coagulase-negative staphylococci (CoNS) are among the main pathogens causing bovine intramammary infection (IMI) in many countries. However, one of the limitations related to the specific diagnosis of CoNS ...
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Experimental Intramammary Infection with a Strain of Escherichia coli Isolated from a Cow with Persistent E coli Mastitis
... Experimental infection models have been an important tool for studying the pathogenesis of infections, man- agement of infectious diseases, and development and evaluation of therapeutic and prevention strategies ...
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Innate immune response in experimentally induced bovine intramammary infection with Staphylococcus simulans and S. epidermidis
... Coagulase-negative staphylococci (CNS) are in several countries the most common bacteria isolated in subclinical mastitis. To investigate the innate immune response of cows to infections with two common mastitis-causing ...
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Longitudinal studies of intramammary infection in suckler ewes
... I have been extremely fortunate to have Professor Laura Green as my supervisor, to whom I am indebted for her wisdom, insight, guidance and patience. I am also grateful to those internal and external colleagues who have ...
215
Molecular Types and Genetic Profiles of Staphylococcus aureus Strains Isolated from Bovine Intramammary Infections and Extramammary Sites
... of intramammary infection during a 10-month period and from extramammary sites (dairy cow teat skin, teat canals, and skin lesions; milking liners; and hands and nostrils of milking personnel) at two ...
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Comparison of Virulence Gene Identification, Ribosomal Spacer PCR, and Pulsed Field Gel Electrophoresis for Typing of Staphylococcus aureus Strains Isolated from Cases of Subclinical Bovine Mastitis in the United States
... bovine intramammary infection in the United States and to compare pulsed-field gel electrophoresis (PFGE) to the combination of ribosomal spacer PCR (RS-PCR) and virulence gene identification for typing of ...
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Phenotypic and genotypic identification of streptococci and related bacteria isolated from bovine intramammary infections
... Bovine mastitis is a worldwide problem in the dairy industry. It is a disease of major economic importance, causing reduced milk quality, loss in production and increased use of drugs and veterinary services worldwide ...
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An investigation of the dynamics of intramammary infections acquired during the dry period on European dairy farms
... period infection dynamics in ...of intramammary infection across a cohort of dairy herds in ...of infection dur- ing the dry period and associated influential ...
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Acute phase response in two consecutive experimentally induced E. coli intramammary infections in dairy cows
... Using a repeated challenge model at a short interval in the same cows could reveal possible carry-over effects of the previous intramammary infection by the same pathogen [22]. In our study using two ...
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Population biology of Staphylococcus aureus on dairy cattle farms
... Effect of milk sample collection strategy on the sensitivity and specificity of bacteriologic culture and somatic cell count for detection of Staphylococcus aureus intramammary infection[r] ...
164
Risk factors and prevention strategies for mastitis in New Zealand dairy heifers : this thesis is completed as a partial requirement for the Masters of Veterinary Studies (Epidemiology) from Massey University, Palmerston North, New Zealand
... Number of heifers treated n, calving date, breed, prevalence of intramammary infection IMI pre and post calving, cumulative incidence of clinical mastitis % in the first 2 weeks post-cal[r] ...
146
Normal milk microbiome is reestablished following experimental infection with Escherichia coli independent of intramammary antibiotic treatment with a third-generation cephalosporin in bovines
... an infection following the challenge with ...any intramammary infection is dependent upon the stage of lactation and the initial amount of milk ...evaluated infection with a ...
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Epidemiology of mastitis in peripartum dairy heifers : a dissertation presented in partial fulfilment of the requirements for the degree of Masters of Veterinary Studies in Epidemiology at Massey University, Palmerston North, New Zealand
... Figure 1. Smoothed logistic regression of probability (prevalence) of quarter intramammary infection (IMI) by day relative to calving for major and minor pathogens pre- and post-calving. ...
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Apoptosis of resident and inflammatory macrophages before and during the inflammatory response of the virgin bovine mammary gland
... The experiments were carried out on 40 mammary glands of 10 virgin, clinically healthy Holstein × Bohe- mian Pied crossbred heifers aged 15 to 20 months. The heifers were housed in an experimental tie-stall barn and fed ...
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Acute heat stress brings down milk secretion in dairy cows by up-regulating the activity of the milk-borne negative feedback regulatory system
... to intramammary treatment with dexamethasone or to dehydration resulted in more intense inhibition of lactose and fluid secretion than of fat and protein secretion, which was reflected in increased fat and protein ...
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Differential Induction of Complement Fragment C5a and Inflammatory Cytokines during Intramammary Infections withEscherichia coli and Staphylococcus aureus
... The prompt recruitment of neutrophils to the site of infection is essential for the defense of the bovine mammary gland against invading pathogens and is determinant for the outcome of the infection. ...
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Dry cow therapy with a non-antibiotic intramammary teat seal - a review
... or intramammary antibiotic or anti-inflammatory treatment for at least 30 days prior to ...new infection status at calving in seven dairy herds (Adapted from Berry and Hillerton, ...
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