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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-55067

Hässig, M; Sigrist, S M; Corti, S; Giezendanner, N; Stephan, R (2011). Bakteriell kontaminierte Desinfektionsmittel und Gerätschaften beim Melkakt als mögliche Ursache für Mastitiden. Schweizer Archiv für Tierheilkunde, 153(6):263-268.

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Abstract

Various instruments and utensils used during milking as well as teat dip solutions were examined for contamination with coagulase-negative staphylococci (CNS). The goal of this study was to investigate the relationship between contaminated fomites and udder infection in dairy cows. A total of 344 cows from ten dairy farms with the highest rate of clinical mastitis among the farms serviced by the Ambulatory Clinic of the University of Zurich were included in the study. Each farm was visited five times. All lactating cows, with the exception of those undergoing antibiotic treatment, were examined immediately before milking using the California Mastitis Test (CMT). A milk sample was collected from positive quarters. Items used to clean the udder, which included wood wool, paper towels and disinfecting towels as well as the milker's hands and the teat dip cup were swabbed for bacteriological examination. Water samples, samples of teat dip and cleaning solutions were also collected and cultured. Our results demonstrate that cleaning and disinfecting solutions have the potential to transmit udder pathogens and cause clinical mastitis. The most common CNS isolated from quarter samples were S. saprophyticus, S. sciuri and S. chromogenes, and the most common CNS isolated from utensils, cleaning and disinfecting solutions were S. fleuretii, S. vitulus, S. equorum, S. sciuri, S. haemolyticus, S. succinus and S. saprophyticus.

Other titles:The role of bacterial contamination of milking utensils and disinfecting solutions as a possible cause of clinical mastitis in dairy cows
Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Institute of Food Safety and Hygiene
05 Vetsuisse Faculty > Veterinary Clinic > Department of Farm Animals > Division of Herd Health
DDC:570 Life sciences; biology
610 Medicine & health
630 Agriculture
Language:German
Date:2011
Deposited On:16 Jan 2012 13:04
Last Modified:30 Nov 2013 04:49
Publisher:Hans Huber
ISSN:0036-7281
Publisher DOI:10.1024/0036-7281/a000200
Related URLs:http://www.zora.uzh.ch/42565/
PubMed ID:21638262
Citations:Web of Science®
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