Probiotics and FMT were commonly used therapeutically by equine veterinarians in France and Belgium, but FMT protocols varied widely with donor faeces often untested, and standardized protocols are needed to improve outcomes and consistency.
Key Findings
Results
Probiotic use was reported by 82.1% of equine veterinarians surveyed in France and Belgium.
96 equine veterinarians participated, practicing in Belgium (52.1%), France (39.6%) or both (8.3%)
Probiotic use was more frequent in field than clinical practice (OR = 3.61, 95% CI [1.09, 12.02], p = 0.036)
Probiotic use was more frequent in France than Belgium (OR = 5.08, 95% CI [1.44, 17.94], p = 0.012)
Probiotics were used for chronic diarrhoea (88.0%), acute diarrhoea (67.6%) and inflammatory bowel diseases (45.9%)
Results
Most veterinarians correctly defined probiotics, but a notable minority misidentified non-probiotic products as probiotics.
83.3% of veterinarians defined probiotics well
16.7% misidentified non-probiotic products as probiotics
Cross-sectional survey design using descriptive statistics, chi-square tests and logistic regression models
Results
FMT was used by 76.0% of equine veterinarians, mainly occasionally and therapeutically.
FMT use was more common in clinical than field practice (OR = 4.79, 95% CI [1.03, 22.27], p = 0.046)
FMT was used mainly occasionally and therapeutically rather than prophylactically
FMT protocols varied considerably across practitioners
Results
Donor testing before FMT was performed by only a minority of veterinarians despite most prioritizing infection-free donors in theory.
58.3% of veterinarians prioritized infection-free donors in theory
Only 22.5% actually tested donors before performing FMT
Among those who did test donors, coprology was the most commonly used method (93.8%)
Veterinarians who tested donors reported higher perceived efficacy of FMT (p = 0.0029)
Results
Treatment satisfaction with FMT was generally positive but estimated success rates varied among practitioners.
Treatment satisfaction was generally positive across respondents
Estimated success rates varied considerably between practitioners
The variability in protocols and donor testing practices may contribute to inconsistent outcomes
The authors concluded that standardized FMT protocols are needed to improve outcomes and consistency
Discussion
The study had potential limitations including selection bias due to voluntary participation and limited generalizability.
Participation was voluntary, introducing potential selection bias
Generalizability might be limited by geographic focus on France and Belgium
Sample size of 96 veterinarians was described as informative but in need of expansion
Loublier C, Taminiau B, Seidel L, Moula N, Tano C, Cesarini C, et al.. (2026). Survey on Faecal Microbiota Transplantation and Probiotic Use in Equine Practice in France and Belgium.. Veterinary medicine and science. https://doi.org/10.1002/vms3.70854