Synbiotic-IgY Therapy Modulates the Mucosal Microbiome and Inflammatory Indices in Dogs with Chronic Inflammatory Enteropathy: A Randomized, Double-Blind, Placebo-Controlled Study.
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Chronic inflammatory enteropathy (CE) is a common cause of persistent gastrointestinal signs and intestinal inflammation in dogs. Since evidence links dysbiosis to mucosal inflammation, probiotics, prebiotics, or their combination (synbiotics) may reduce intestinal inflammation and ameliorate dysbiosis in affected dogs. This study's aim was to investigate the effects of the synbiotic-IgY supplement on clinical signs, inflammatory indices, and mucosal microbiota in dogs with CE. Dogs with CE were enrolled in a randomized prospective trial. Twenty-four client-owned dogs were fed a hydrolyzed diet and administered supplement or placebo (diet) for 6 weeks. Dogs were evaluated at diagnosis and 2- and 6-week post-treatment. Outcome measures included clinical activity, endoscopic and histologic scores, inflammatory markers (fecal calprotectin, C-reactive protein), and composition of the mucosal microbiota via FISH. Eleven supplement- and nine placebo-treated dogs completed the trial. After 6 weeks of therapy, clinical activity and endoscopic scores decreased in both groups. Compared to placebo-treated dogs, dogs administered supplement showed decreased calprotectin at 2-week post-treatment, decreased CRP at 2- and 6-week post-treatment increased mucosal Clostridia and Bacteroides and decreased Enterobacteriaceae in colonic biopsies at trial completion. Results suggest a beneficial effect of diet and supplements on host responses and mucosal microbiota in dogs with CE.
author list (cited authors)
Sahoo, D. K., Allenspach, K., Mochel, J. P., Parker, V., Rudinsky, A. J., Winston, J. A., ... Jergens, A. E.
complete list of authors
Sahoo, Dipak Kumar||Allenspach, Karin||Mochel, Jonathan P||Parker, Valerie||Rudinsky, Adam Joseph||Winston, Jenessa A||Bourgois-Mochel, Agnes||Ackermann, Mark||Heilmann, Romy M||Köller, Gabor||Yuan, Lingnan||Stewart, Tracey||Morgan, Shannon||Scheunemann, Kaitlyn R||Iennarella-Servantez, Chelsea A||Gabriel, Vojtech||Zdyrski, Christopher||Pilla, Rachel||Suchodolski, Jan S||Jergens, Albert E