Evaluation of changes in microbiota after fecal microbiota transplantation in 6 diarrheic horses |
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| Authors: | Marcio Costa Rebecca Di Pietro Jos Antonio Bessegatto Priscilla Fajardo Valente Pereira Fernanda C Stievani Roberta Gaberlini Gomes Júlio A N Lisba J Scott Weese |
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| Institution: | Department of Biomedical Sciences, Université de Montréal, Montreal, Quebec (Costa, Di Pietro); Department of Clinical Studies, Universidade Estadual de Londrina, Londrina, Paraná, Brazil (Bessegatto, Pereira, Stievani, Gomes, Lisbôa); Department of Clinical Studies, Universidade Filadelfia, Londrina, Paraná, Brazil (Stievani); Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario (Weese) |
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| Abstract: | The purpose of this study was to characterize the fecal microbiota of horses with acute and chronic diarrhea before and after fecal microbiota transplantation (FMT). Six client-owned horses with acute and chronic diarrhea received FMT from 2 healthy donor horses. Microbiota analysis using next-generation sequencing was performed on fecal samples collected before and 2 and 7 d after FMT. Signs of diarrhea improved in 4 horses, whereas the remaining 2 horses did not survive. There was a significant difference in the number of bacterial species between donors and recipients (P < 0.05). The Order Lactobacillales and the genera Lactobacillus, Intestinimonas, and Streptococcus were increased in the microbiota of diarrheic horses, and Saccharofermentans genus increased in healthy donors. The results suggest that FMT from the healthy donors was not effective over a 7-day period as it did not change the fecal microbiota of the diarrheic horses. Further research to improve the efficacy of FMT in horses is needed. |
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