Seaweed Supplementation Failed to Affect Fecal Microbiota and Metabolome as Well as Fecal IgA and Apparent Nutrient Digestibility in Adult Dogs

The present study investigated in dogs the dietary effects of intact seaweeds on some fecal bacterial populations and metabolites, fecal IgA and apparent total tract digestibility (ATTD). Ten healthy adult dogs were enrolled in a 5 × 5 replicated Latin square design to evaluate five dietary treatmen...

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Bibliographic Details
Published in:Animals (Basel) 2021-07, Vol.11 (8), p.2234
Main Authors: Pinna, Carlo, Vecchiato, Carla Giuditta, Grandi, Monica, Stefanelli, Claudio, Zannoni, Augusta, Biagi, Giacomo
Format: Article
Language:English
Subjects:
Algae
Animal nutrition
Animals
Ascophyllum nodosum
Bioactive compounds
Diet
Digestibility
Dogs
Evaluation
Fatty acids
Fecal microflora
Feces
Food
Health promotion
Immunoglobulin A
immunomodulation
Inclusions
Ingestion
Marine animals
marine macroalgae
Marine resources
Metabolites
Microbiota
Microorganisms
Nutrients
Nutrition
Palmaria palmata
Polysaccharides
Populations
Prebiotics
Saccharides
Saccharina japonica
Scientific imaging
Seaweeds
Silica
Trace elements
Undaria pinnatifida
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Summary:The present study investigated in dogs the dietary effects of intact seaweeds on some fecal bacterial populations and metabolites, fecal IgA and apparent total tract digestibility (ATTD). Ten healthy adult dogs were enrolled in a 5 × 5 replicated Latin square design to evaluate five dietary treatments: control diet (CD); CD + Ascophyllum nodosum; CD + Undaria pinnatifida; CD + Saccharina japonica; CD + Palmaria palmata (n replicates per treatment = 10). Seaweeds were added to food at a daily dose of 15 g/kg. The CD contained silica as a digestion marker. Each feeding period lasted 28 d, with a 7 d wash-out in between. Feces were collected at days 21 and 28 of each period for chemical and microbiological analyses. Fecal samples were collected during the last five days of each period for ATTD assessment. Dogs showed good health conditions throughout the study. The fecal chemical parameters, fecal IgA and nutrient ATTD were not influenced by algal supplementation. Similarly, microbiological analyses did not reveal any effect by seaweed ingestion. In conclusion, algal supplementation at a dose of 15 g/kg of diet failed to exert noticeable effects on the canine fecal parameters evaluated in the present study.
ISSN:2076-2615
2076-2615
DOI:10.3390/ani11082234