Feed additives for the control of post-weaning Streptococcus suis disease and the effect on the faecal and nasal microbiota
Ver/Abrir
Autor/a
Correa-Fiz, Florencia
Neila-Ibáñez, Carlos
López-Soria, Sergio
Martinez, Blanca
Sobrevia, Laia
Tibble, Simon
Migura-Garcia, Lourdes
Fecha de publicación
2020-11-23ISSN
1865-1674
Resumen
Medicated feed is a common strategy to control the occurrence of Streptococcus suis disease in swine production, but feed additives may constitute an alternative to metaphylaxis. In a farm with post-weaning S. suis disease, the following additives were tested: lysozyme (Lys), medium chain fatty acids plus lysozyme (FA + Lys), FA plus a natural anti-inflammatory (FA + antiinf) and amoxicillin (Amox). During the course of the study, FA + antiinf and Amox groups showed lower prevalence of clinical signs compatible with S. suis disease than the rest of the groups. Piglets from the FA + antiinf group showed high diversity and richness in their nasal and faecal microbiota. Diet supplements did not have major effects on the faecal microbiota, where the genus Mitsuokella was the only differentially present in the FA + Lys group. In the nasal microbiota, piglets from FA + antiinf presented higher differential abundance of a sequence variant from Ruminococcaceae and lower abundance of an unclassified genus from Weeksellaceae. In general, we detected more significant changes in the nasal than in the feacal microbiota, and found that parity of the dams affected the microbiota composition of their offspring, with piglets born to gilts exhibiting lower richness and diversity. Our results suggest that additives could be useful to control post-weaning disease when removing antimicrobials in farms.
Tipo de documento
Artículo
Versión del documento
Versión publicada
Lengua
English
Materias (CDU)
619 - Veterinaria
Páginas
14
Publicado por
Wiley
Publicado en
Transboundary and Emerging Diseases
Citación
Correa-Fiz, Florencia, Carlos Neila-Ibáñez, Sergio López-Soria, Sebastian Napp, Blanca Martinez, Laia Sobrevia, Simon Tibble, Virginia Aragon, and Lourdes Migura-Garcia. 2020. "Feed Additives For The Control Of Post-Weaning Streptococcus Suis Disease And The Effect On The Faecal And Nasal Microbiota". Scientific Reports 10 (1). doi:10.1038/s41598-020-77313-6.
Número del acuerdo de la subvención
EC/H2020/727966/EU/Program for Innovative Global Prevention of Streptococcus suis/PIGSs
Program
Sanitat Animal
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