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Abstract

Staphylococcus aureus represents one of the leading causes of mastitis in dairy cows worldwide. S. aureus IMI have variable outcomes due to virulence of the strain involved, immune defenses of the host, and by antibiotic resistance. The difficulty in eradication and the increasing concerns on...

Author(s)
Scali, F.; Camussone, C.; Calvinho, L. F.; Cipolla, M.; Zecconi, A.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Research in Veterinary Science, 2015, 100, pp 88-99
Abstract

Staphylococcus aureus isolated from mammary gland are characterized by different genetic patterns. Ninety four isolates from 33 dairy herds were analyzed by the means of a microarray to investigate S. aureus virulence patterns and the distribution of genes believed to be involved in immune evasion. ...

Author(s)
Mazzilli, M.; Piccinini, R.; Scali, F.; Zecconi, A.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Research in Veterinary Science, 2015, 103, pp 54-59
Abstract

Staphylococcus aureus is the most common aetiologic agent of contagious bovine mastitis. Studies of the molecular epidemiology of S. aureus strongly suggest that some genetic subsets of strains are particularly well adapted for causing infections in cattle. This communication reports the setup of...

Author(s)
Tedeschi, G.; Taverna, F.; Negri, A.; Piccinini, R.; Nonnis, S.; Ronchi, S.; Zecconi, A.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2009, 134, 3/4, pp 388-391
Abstract

Staphylococcus aureus is the most common aetiologic agent of contagious bovine mastitis. It is characterized by a wide array of virulence factors. The differences among strains jeopardize the development of effective vaccines against Staph. aureus mastitis. We tested the immunogenicity of a peptide ...

Author(s)
Scarpa, M.; Piccinini, R.; Brun, P.; Grillo, A.; Palù, G.; Mengoli, C.; Daprà, V.; Castagliuolo, I.; Zecconi, A.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Journal of Dairy Research, 2010, 77, 2, pp 159-167
Abstract

Staphylococcus aureus (S. aureus) is one of the most widespread agent of diseases in humans and animals. In dairy cows, S. aureus is the most frequently isolated contagious pathogens in mastitis cases and vaccines are one of the potential tools to control the infections, thus decreasing the use of...

Author(s)
Festa, M.; Brun, P.; Piccinini, R.; Castagliuolo, I.; Basso, B.; Zecconi, A.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Research in Veterinary Science, 2013, 94, 3, pp 484-489
Abstract

Knowledge of the epidemiological pattern and the potential sources of infections is important to control Staphylococcus aureus in dairy herds. This paper reports the results of a study applying both pulse field gel electrophoresis (PGFE) and the assessment of a selected number of virulence genes to ...

Author(s)
Piccinini, R.; Cesaris, L.; Daprà, V.; Borromeo, V.; Picozzi, C.; Secchi, C.; Zecconi, A.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Journal of Dairy Research, 2009, 76, 1, pp 36-41
Abstract

The Gesan programme that has been in operation in Italy since 2000 has enabled an epidemiological model for intra-mammary infections (IMI) to be developed and the incidence of IMI to be reduced, thus bringing about improvements in milk quality. The main objectives of the Gesan programme are: (1)...

Author(s)
Zecconi, A.
Publisher
Éditions du Point Vétérinaire, Maisons-Alfort, France
Citation
Point Vétérinaire, 2010, 41, 305, pp 67-71
Abstract

The importance to evaluate Staphylococcus aureus virulence analysing the combination of virulence genes is largely recognised, and the recent availability of simplified microarray tools allows performing these analyses also in the dairy field. The combined availability of herd-specific S. aureus...

Author(s)
Piccinini, R.; Borromeo, V.; Zecconi, A.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Microbiology, 2010, 145, 1/2, pp 100-105
Abstract

Changes in prevalence in intramammary infection, by pathogen type, in herds applying a stringent contagious mastitis control programme was studied. Enrollment of 1651 lactating cows and collection of milk samples was made in this ancillary study to a cohort study of the dynamics of mastitis...

Author(s)
Zecconi, A.; Piccinini, R.; Fox, L. K.
Publisher
Blackwell Publishing, Berlin, Germany
Citation
Journal of Veterinary Medicine. Series B, 2004, 51, 7, pp 333-336
Abstract

Milk yields and milk electrical conductivity were monitored automatically on 3 farms with 200-400 lactating Italian Friesians housed loose in yards in Lombardy, Italy. Clinical mastitis was diagnosed in 165 cows; 33% of these cases were bacteriologically negative. Escherichia coli was isolated from ...

Author(s)
Zecconi, A.; Giovannini, G.; Casirani, G.; Panzeri, R.; Piccinini, R.
Publisher
Gruppo Calderini Edagricole Srl, Bologna, Italy
Citation
Obiettivi e Documenti Veterinari, 2002, 23, 4, pp 29-35

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