Variations in association of nasal microbiota with virulent and non-virulent strains of Glaesserella (Haemophilus) parasuis in weaning piglets
Visualitza/Obre
Data de publicació
2020-02-03ISSN
0928-4249
Resum
Glaesserella (formerly Haemophilus) parasuis causes Glässer's disease, which results in high economic loss in the swine industry. To understand the polymicrobial interactions of G. parasuis and the nasal microbiota, the statistical association patterns of nasal colonizing bacteria with virulent and non-virulent strains of G. parasuis were studied accounting for the farm management practices as potential risk factors for the occurrence of Glässer's disease. The nasal microbiota from 51 weaned-piglets from four farms with Glässer's disease and three farms with no respiratory diseases was previously characterized and included in this study. The presence of virulent and/or non-virulent G. parasuis strains in the nasal cavities was determined in order to establish the potential association with other members of the nasal microbiota. Multivariate logistic and linear regression models were performed among the various members of nasal microbiota and G. parasuis. The multi-site production system and disease presence in the farm were both significantly associated with the presence of G. parasuis virulent strains in the nose of the piglets. Differential bacterial associations were observed with virulent or non-virulent G. parasuis. Chitinophagaceae, Corynebacteriaceae and Corynebacterium were positively associated with the virulent G. parasuis strains, while Enterobacteriaceae, Peptostreptococcaceae, Clostridium XI, and Escherichia/Shigella were negatively associated with virulent G. parasuis. On the other hand, Flavobacteriaceae, Planobacterium, and Phascolarctobacterium were positively associated with the non-virulent G. parasuis strains, while Rikenellaceae, Enterococcaceae, Odoribacter, and Corynebacterium were negatively associated with non-virulent G. parasuis. In conclusion, the nasal microbiota communities showed variations in the association with the G. parasuis strains type.
Tipus de document
Article
Versió del document
Versió publicada
Llengua
English
Matèries (CDU)
619 - Veterinària
Pàgines
13
Publicat per
BMC
Publicat a
Veterinary Research
Citació
Mahmmod, Yasser S., Florencia Correa-Fiz, and Virginia Aragon. 2020. "Variations In Association Of Nasal Microbiota With Virulent And Non-Virulent Strains Of Glaesserella (Haemophilus) Parasuis In Weaning Piglets". Veterinary Research 51 (1). Springer Science and Business Media LLC. doi:10.1186/s13567-020-0738-8.
Número de l'acord de la subvenció
MINECO/Programa estatal de I+D+I orientada a los retos de la sociedad/AGL2016-77361-R /ES/Papel de la microbiota respiratoria en la prevención de las enfermedades causadas por los colonizadores precoces del tracto respiratorio superior del cerdo/
EC/H2020/665919/EU/Opening Sphere UAB-CEI to PostDoctoral Fellows/P-SPHERE
Programa
Sanitat Animal
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