LA-MRSA Inside and in the Vicinity of Turkey and Broiler Farms:A Longitudinal Study
Methicillin-resistant Staphylococcus aureus (MRSA)is a well-known pathogen occurring in human as well as in veterinary medicine.Until now little is known about transmission pathways of MRSA in poultry farms as well as about the emission of MRSA from poultry houses.We investigated the occurrence of livestock associated (LA-)MRSA inside and outside of previously MRSA positive screened poultry farms in Germany.Therefore,five turkey and two hroiler fattening farms were investigated four respectively three times during the fattening period with the focus on airborne transmission.Samples of animals like swahs of choana and skin,the animals environment inside the harn including air samples as well as samples of the harns vicinity like ambient air and boot swabs of the ground in different distances up to 500 m to the barn were taken.LA-MRSA was found in the stable air in six out of seven barns as well as in the ambient air outside of two turkey barns.The ground surfaces on the downwind side were significantly more frequently tested positive for LA-MRSA (44.4% )with detections up to a distance of 500 m than these on the upwind side (26.9% ).The same.spa types of MRSA origination from samples of inside and outside could be ohserved which leads to the assumption of an emission of MRSA from the farms in their surrounding.Interestingly,no detection of MRSA was possible in any sample of broilers or their environment inside the barn at the first samplings shortly after arriving of the animals in the two investigated farms.Later the resistant microorganism could be detected in different samples.Perhaps MRSA is not mainly introduced to the broiler farms via colonized chicken hatchlings.In conclusion,a transmission of MRSA within poultry farms as well as outside of the farms via the airborne route seems to he one possihle way.
Friese,A Schulz,J Tenhagen,B.-A Fetsch,A Hartung,J R(o)sler,U
Institute for Animal Hygiene and Environmental Health,Free University Berlin,Robert-von-Ostertag-Str Institute for Animal Hygiene,Animal Welfare and Farm Animal Behaviour,University of Veterinary Medic Federal Institute for Risk Assessment,Diedersdorfer Weg1,12277 Berlin,Germany
国际会议
XVIth International Congress on Animal Hygiene(第十六届动物卫生国际会议(ISAH 2013))
南京
英文
251-252
2013-05-05（万方平台首次上网日期，不代表论文的发表时间）