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Abstract

Staphylococci are the main etiological agents of bovine mastitis. Bacteriocins and nanoparticles have emerged as promising alternatives for the future development of antimicrobial agents. This study evaluated the activity of the bacteriocin nisin and bicelles of the synthetic cationic lipid...

Author(s)
Castelani, L.; Arcaro, J. R. P.; Braga, J. E. P.; Bosso, A. S.; Moura, Q.; Esposito, F.; Sauter, I. P.; Cortez, M.; Lincopan, N.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 1, pp 678-683
Abstract

The present study investigated the effects of N-acetylcysteine (NAC) on β-lactam antibacterial activity against 20 methicillin-resistant Staphylococcus aureus (MRSA) isolates from bovine mastitis. Minimum inhibitory concentrations (MIC) were determined by the E-test method. The presence of 10 mM...

Author(s)
Yang Feng; Zhang ShiDong; Shang XiaoFei; Wang XuRong; Wang Ling; Sun Yan
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 8, pp 6920-6922
Abstract

Staphylococcus is the most commonly isolated genus from animals with intramammary infections, and mastitis is the most prevalent disease that affects dairy cows in many countries. These pathogens can live in biofilms, a self-produced matrix, which allow them evade the innate immune system and the...

Author(s)
Orellano, M. S.; Isaac, P.; Breser, M. L.; Bohl, L. P.; Conesa, A.; Falcone, R. D.; Porporatto, C.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Carbohydrate Polymers, 2019, 213, pp 1-9
Abstract

Bacteriocins have been suggested as an alternative to conventional antibiotics for the prevention and treatment of mastitis infections. Predominant bacteria associated with bovine mastitis (n=276 isolates) were evaluated for their susceptibility to bovicin HC5, a ruminal bacteriocin produced by ...

Author(s)
Godoy-Santos, F.; Pinto, M. S.; Barbosa, A. A. T.; Brito, M. A. V. P.; Mantovani, H. C.
Publisher
Springer, New Delhi, India
Citation
Indian Journal of Microbiology, 2019, 59, 3, pp 304-312
Abstract

Aim: To primarily estimate the sensitivity (Se) and specificity (Sp) of the commercially available Mastit4 quantitative PCR (qPCR) assay and bacterial culture (BC) for diagnosis of intramammary infections (IMI) and teat apex colonization (TAC) with coagulase-negative staphylococci (CNS) at...

Author(s)
Mahmmod, Y. S.; Svennesen, L.; Katholm, J.; Pedersen, K.; Klaas, I. C.
Publisher
Wiley, Oxford, UK
Citation
Journal of Applied Microbiology, 2019, 127, 2, pp 406-417
Abstract

This research communication describes the first isolation of a methicillin-resistant Staphylococcus aureus (MRSA) from cow's mastitic milk in Argentina. Bovine mastitis causes important economic losses in the dairy industry and the most commonly isolated bacteria from bovine mastitis are ...

Author(s)
Srednik, M. E.; Crespi, E.; Testorelli, M. F.; Puigdevall, T.; Pereyra, A. M. D.; Rumi, M. V.; Caggiano, N.; Gulone, L.; Mollerach, M.; Gentilini, E. R.
Publisher
Elsevier, Oxford, UK
Citation
Veterinary and Animal Science, 2019, 7, pp 100043
Abstract

Bovine mastitis affects animal health and welfare and milk production and quality, and it challenges the economic success of dairy farms. Staphylococcus aureus is one of the most commonly found pathogens in clinical mastitis but it also causes subclinical, persistent, and difficult-to-treat...

Author(s)
Côté-Gravel, J.; Malouin, F.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 5, pp 4727-4740
Abstract

The objective of the present study was to look for genes encoding for superantigens in bovine coagulase-negative staphylococci (CNS) isolated from milk in Canada. We screened by PCR 71 bovine CNS isolates, obtained from the Mastitis Pathogen Culture Collection managed by the Canadian Bovine...

Author(s)
Corbeil, A.; Labrie, J.; Goetz, C.; Dufour, S.; Doghri, I.; Rivière, L.; Jacques, M.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 3, pp 2008-2010
Abstract

Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) is a fast and reliable method to identify the most common pathogenic bacteria in humans and animals. The goals of this study were to amend a commercial database with additional species, evaluate the amended...

Author(s)
Nonnemann, B.; Lyhs, U.; Svennesen, L.; Kristensen, K. A.; Klaas, I. C.; Pedersen, K.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 3, pp 2515-2524
Abstract

Bovine mastitis is a significant cause of economic losses in the dairy industry. Staphylococcus aureus is one of the most common contagious mastitis pathogens, whereas Staphylococcus chromogenes increasingly became a significant cause of subclinical mastitis in dairy cows. Current mastitis control...

Author(s)
Merrill, C.; Ensermu, D. B.; Abdi, R. D.; Gillespie, B. E.; Vaughn, J.; Headrick, S. I.; Hash, K.; Walker, T. B.; Stone, E.; Dego, O. K.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Veterinary Immunology and Immunopathology, 2019, 214, pp 109890

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