Colonization kinetics and host suscep... [Appl Environ Microbiol. 2011] - PubMed - NCBI.
After nasal inoculation with MRSA piglets of all four test groups showed no clinical signs of an MRSA infection. MRSA was present on the nasal mucosa, skin and conjunctiva in all four test groups, including sentinel animals. Likewise, fecal excretion and internal colonization of MRSA ST8, ST9 and ST398 could be shown in each group. However, faecal excretion and the colonization rate of the nasal mucosa with MRSA ST9 was significantly lower in the first days after infection compared to the test groups infected with ST8 and ST398.The results of this study suggest differences in colonization potential of the different MRSA types in pigs. Furthermore, colonization of lymph nodes (e.g. the ileocolic lymph node) with MRSA of the clonal lineage ST398 was demonstrated.