Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 560934
Title MRSA in Pigs and the Environment as a Risk for Employees in Pig-Dense Areas of Sri Lanka
Author(s) Kalupahana, Ruwani S.; Duim, Birgitta; Verstappen, Koen M.; Gamage, Chandika D.; Dissanayake, Nilanthi; Ranatunga, Lakmali; Graveland, Haitske; Wagenaar, Jaap A.
Source Frontiers in Sustainable Food Systems 3 (2019). - ISSN 2571-581X
DOI https://doi.org/10.3389/fsufs.2019.00025
Department(s) Bacteriology & Epidemiology
Publication type Refereed Article in a scientific journal
Publication year 2019
Keyword(s) food chain - livestock - MRSA - pigs - pork - small-scale farming - Sri Lanka
Abstract

Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) is widely spread in intensive farming systems and considered an occupational risk for humans. MRSA is a common nosocomial pathogen in Sri Lanka, but information about prevalence of MRSA in pig farming in Sri Lanka is scarce. Farming is largely a small-scale confined system, and antimicrobial use in these systems is poorly regulated with no veterinary oversight for use. This study identified on 100 pig farms a MRSA prevalence of 10%, with MRSA-positive samples in pigs, farm workers, and dust of 1.2% (6/493), 2.2% (5/228), and 0.8% (1/119), respectively. The genotypes of these strains were compared with 22 human MRSA strains from a hospital; identified in pig farms were CC1/ST1/t127, CC5/ST5/t002, CC6/ST6/t304, or t4403, singleton ST3841/t10744, of which CC1/ST1/t127 and CC/ST5/t002 were present both in isolates from pigs and humans, suggesting a human origin. LA-MRSA types associated with intensive farming (ST398, ST9) were not detected. The low MRSA prevalence at farm level (10% vs. up to 70% in intensive farming systems) might be due to the management of these farms—open air and low dust. We conclude that in Sri Lanka the occupational risk for MRSA acquisition of people working with pigs in the described management systems is negligible.

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