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Abstract

A total of 168 coagulase-negative staphylococci (CNS) strains were isolated from milk samples taken from cows with clinical mastitis. The samples were collected between January 1990 and August 1992 from cows in the veterinary surveillance area of the Ambulatory Clinic, College of Veterinary...

Author(s)
Honkanen-Buzalski, T.; Mylls, V.; Pyörälä, S.
Citation
Journal of Veterinary Medicine. Series B, 1994, 41, 5, pp 344-350
AbstractFull Text

Author(s)
Pyorala, S.
Publisher
The North American Veterinary Conference, Gainesville, USA
Citation
The North American Veterinary Conference 2003, Large Animal. Orlando, Florida, USA, 18-22 January, 2003, 2003, pp 78-79
Abstract

A 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. In total, 12 661 quarter milk samples were collected from 3282 dairy cows at 216 farms. These were...

Author(s)
Pitkälä, A.; Haveri, M.; Pyörälä, S.; Myllys, V.; Honkanen-Buzalski, T.
Publisher
American Dairy Science Association, Savoy, USA
Citation
Journal of Dairy Science, 2004, 87, 8, pp 2433-2441
AbstractFull Text

Persistence of coagulase-negative staphylococci in intramammary infection during lactation was studied. Milk samples from 328 udder quarters of 82 dairy cows were collected every 4 weeks until the end of lactation. CNS isolates were analyzed with API Staph ID 32 test and genotyped using amplified...

Author(s)
Taponen, S.; Koort, J.; Björkroth, J.; Saloniemi, H.; Pyörälä, S.
Publisher
Estonian University of Life Sciences, Jõgeva Plant Breeding Institute, Estonian Research Institute of Agriculture, Tartu, Estonia
Citation
Animal health, animal welfare and biosecurity. Proceedings of 13th International Congress in Animal Hygiene, Tartu, Estonia, 17-21 June, 2007. volume 1 , 2007, pp 476-479
Abstract

Isolates of various species of coagulase-negative staphylococci (CNS) from extramammary swab samples were compared with isolates of bovine mastitis CNS species. Swab samples were taken from perineum skin and udder skin, teat apices and teat canals of lactating dairy cows of the research dairy herd...

Author(s)
Taponen, S.; Björkroth, J.; Pyörälä, S.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Journal of Dairy Research, 2008, 75, 4, pp 422-429
Abstract

An experimental infection model was developed to study host response to intramammary infection in cows caused by Staphylococcus chromogenes. CNS intramammary infections have become very common in modern dairy herds, and they can remain persistent in the mammary gland. More information would be...

Author(s)
Simojoki, H.; Orro, T.; Taponen, S.; Pyörälä, S.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2009, 134, 1/2, pp 95-99
AbstractFull Text

Background: Coagulase-negative staphylococci (CoNS) are the most common bovine mastitis causing bacteria in many countries. It is known that resistance for antimicrobials is in general more common in CoNS than in Staphylococcus aureus but little is known about the antimicrobial resistance of...

Author(s)
Taponen, S.; Nykäsenoja, S.; Pohjanvirta, T.; Pitkälä, A.; Pyörälä, S.
Publisher
BioMed Central Ltd, London, UK
Citation
Acta Veterinaria Scandinavica, 2016, 58, 12, pp (6 February 2016)
Abstract

The aim of this study was to determine risk factors for bovine intramammary infection (IMI) associated with the most common bacterial species in Finland. Large databases of the Finnish milk-recording system and results of microbiological analyses of mastitic milk samples from Valio Ltd. (Helsinki,...

Author(s)
Taponen, S.; Liski, E.; Heikkilä, A. M.; Pyörälä, S.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2017, 100, 1, pp 493-503
AbstractFull Text

Background: The Finnish dairy herd recording system maintains production and health records of cows and herds. Veterinarians and farmers register veterinary treatments in the system. Milk samples for microbiological analysis are routinely taken from mastitic cows. The laboratory of the largest...

Author(s)
Vakkamäki, J.; Taponen, S.; Heikkilä, A. M.; Pyörälä, S.
Publisher
BioMed Central Ltd, London, UK
Citation
Acta Veterinaria Scandinavica, 2017, 59, 33, pp (25 May 2017)
Abstract

Diagnosis of bovine intramammary infection (IMI) has traditionally been based on bacterial culture, but currently IMI can also be detected with DNA based methods, such as multiplex real-time PCR. The aim of this study was to describe the elimination of bacteria in experimentally induced IMI on the...

Author(s)
Hiitiö, H.; Pyörälä, S.; Taponen, S.; Rajala-Schultz, P.; Simojoki, H.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 6, pp 5267-5276

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