Feed additives for the control of post-weaning Streptococcus suis disease and the effect on the faecal and nasal microbiota
Visualitza/Obre
Autor/a
Correa-Fiz, Florencia
Neila-Ibáñez, Carlos
López-Soria, Sergio
Martinez, Blanca
Sobrevia, Laia
Tibble, Simon
Migura-Garcia, Lourdes
Data de publicació
2020-11-23ISSN
1865-1674
Resum
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.
Tipus de document
Article
Versió del document
Versió publicada
Llengua
English
Matèries (CDU)
619 - Veterinària
Pàgines
14
Publicat per
Wiley
Publicat a
Transboundary and Emerging Diseases
Citació
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 de l'acord de la subvenció
EC/H2020/727966/EU/Program for Innovative Global Prevention of Streptococcus suis/PIGSs
Programa
Sanitat Animal
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