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Title: Infecciones simultáneas por cepas de salmonella de distintos serotipos y patrones de multirresistencia en porcino de matadero
Other Titles: Simultaneous infection by Salmonella strains of different serotypes and antimicrobial resistance patterns in finishing pigs
Authors: Garrido, Victoria
San Román, Beatriz
Vico, Juan Pablo
Sánchez, S.
Ciaurriz, P.
Frutos, C. de
Mainar Jaime, Raúl Carlos
Grilló Dolset, María Jesús
Issue Date: 2011
Citation: Garrido, V., San Román, B., Vico, J.P., Sánchez, S., Ciaurriz, P., de Frutos C., Mainar-Jaime, R.C., Grilló, M.J. “Infecciones simultáneas por cepas de salmonella de distintos serotipos y patrones de multirresistencia en porcino de matadero”. En: 41 Jornadas de Estudio. XIV Jornadas sobre Producción Animal. AIDA. Zaragoza, España, 17 y 18 de mayo de 2011, pp.798-800. ISBN: 978-84-615-0062-8
Abstract: Salmonella is recognized as a major zoonotic disease, being finishing pigs one of the main sources of infection. Several colonies (2-12, when possible) of Salmonella spp. isolated from mesenteric lymph nodes cultures of each finishing pig were characterized for serotype and antimicrobial resistance (AR) against 19 agents. A total of 58 strains, belonging to 8 serotypes of 5 serogroups, and showing 11 different patterns of multi-AR were isolated. Most of the animals were infected simultaneously by 2 or 3 strains of Salmonella showing different serogroup and/or AR pattern. The 95% of strains analysed were resistant to at least one agent, showing most of them multi-AR to ACSSuT, CSSuT, CSSuT and ASSu family agents. S. Typhimurium and S. Kapemba were the serotypes showing AR against higher number of agents. To our knowledge, this is the first report on simultaneous infection by different Salmonella serotype and AR pattern strains in pigs, a finding that could have epidemiological and immunological relevance.
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