Peer-reviewed veterinary case report
MRSP bacterial spread and carriage in dogs from multi-dog homes
By Windahl, Ulrika et al.·Published in Veterinary microbiology·2016·Department of Animal Health and Antimicrobial Strategies·View original on PubMed →
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Original publication title: Colonization with methicillin-resistant Staphylococcus pseudintermedius in multi-dog households: A longitudinal study using whole genome sequencing.
- Species:
- dog
Plain-English summary
A group of 11 dogs living in multi-dog households was studied to understand how methicillin-resistant Staphylococcus pseudintermedius (MRSP), a bacteria that can cause serious infections, spreads among them. The researchers found that contact dogs only tested positive for MRSP if the infected dog was also positive at the same time. Interestingly, three of the contact dogs remained MRSP-negative throughout the study. The findings suggest that if the infected dog clears the MRSP, the risk of other dogs in the household carrying it decreases. This research highlights the importance of monitoring and managing MRSP in homes with multiple dogs.
People also search for: dog MRSP infection · how does MRSP spread in dogs · treating MRSP in dogs
Abstract
Despite a worldwide increase in the presence of methicillin-resistant Staphylococcus pseudintermedius (MRSP) in dogs and its potential to cause serious canine health problem, the understanding of the transmission and long-term carriage of MRSP is limited. The objective of this study was to investigate the transmission of MRSP to contact dogs living in multiple dog households where one or more of the dogs had been diagnosed with a clinically apparent infection with MRSP. MRSP carriage was investigated over several months in 11 dogs living in four separate multiple dog households where an MRSP infection in a dog had been diagnosed. Whole-genome sequencing was used for genotypic characterization. Contact dogs were only MRSP-positive if the index dog was positive on the same sample occasion. Three contact dogs were consistently MRSP-negative. The data from whole genome sequencing showed similarities between isolates within each family group, indicating that MRSP was transmitted within each family. The results show that the risk of MRSP-colonization in dogs living with an MRSP-infected dog is reduced if the index dog becomes MRSP negative. All of the contact dogs will not carry MRSP continuously during the time the index dog is MRSP-positive. The information yielded from whole genome sequencing showed the methodology to be a promising additional tool in epidemiologic investigations of MRSP transmission.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/27259821/