The Effect of Nutrition on the Fecal Microbiome in Animals

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Veterinary Microbiology".

Deadline for manuscript submissions: closed (31 October 2021) | Viewed by 2190

Special Issue Editor


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Guest Editor
Department of Grain Science and Industry, Kansas State University, Manhattan, KS, USA
Interests: dog and cat nutrition; post-biotics and health; lipid metabolism

Special Issue Information

Dear Colleagues,

It is widely believed that, in animal nutrition, we are feeding the host and the microbiota with which it lives. Therefore, a complete understanding of the beneficial or detrimental effects of dietary intake requires an understanding of the impact of nutrients on fecal microbiota.  This Special Issue seeks to capture the influence of dietary components on fecal microbiota and help to elucidate the influence of the relationship between nutrition and these microbes on the health and wellbeing of the host.  Of special interest will be the effect of nutrients presented to the gut microbiota (e.g., carbohydrates, proteins and micronutrients) as well as botanicals and their subsequent post-biotics.

Dr. Dennis E. Jewell
Guest Editor

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Keywords

  • experimental animals
  • microbiota
  • post-biotics
  • nutrients
  • dog
  • cat

Published Papers (1 paper)

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Research

22 pages, 639 KiB  
Article
Effect of Nutrition on Age-Related Metabolic Markers and the Gut Microbiota in Cats
by Eden Ephraim and Dennis E. Jewell
Microorganisms 2021, 9(12), 2430; https://0-doi-org.brum.beds.ac.uk/10.3390/microorganisms9122430 - 25 Nov 2021
Cited by 1 | Viewed by 1779
Abstract
Age-related changes in the gut microbiota and metabolites are associated with the increased risk of detrimental conditions also seen with age. This study evaluated whether a test food with potential anti-aging benefits results in favorable changes in plasma and fecal metabolites and the [...] Read more.
Age-related changes in the gut microbiota and metabolites are associated with the increased risk of detrimental conditions also seen with age. This study evaluated whether a test food with potential anti-aging benefits results in favorable changes in plasma and fecal metabolites and the fecal microbiota in senior cats. Forty healthy domestic cats aged 8.3–13.5 years were fed a washout food for 30 days, then control or test food for 30 days. After another 30-day washout, cats were switched to the other study food for 30 days. Assessment of plasma and fecal metabolites showed lower levels of metabolites associated with detrimental processes (e.g., uremic toxins) and higher levels of metabolites associated with beneficial processes (e.g., tocopherols) after cats consumed the test food compared with the control food. A shift toward proteolysis with the control food is supported by higher levels of amino acid metabolites and lower levels of carbohydrate metabolites. Operational taxonomic units of greater abundance with the test food positively correlated with carbohydrate and nicotinic acid metabolites, and negatively correlated with uremic toxins, amino acid metabolism, secondary bile salts, and branched-chain fatty acids. Taken together, the test food appears to result in greater levels of metabolites and microbiota associated with a healthier state. Full article
(This article belongs to the Special Issue The Effect of Nutrition on the Fecal Microbiome in Animals)
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