Dietary Yeast Culture Supplementation Alleviates Transportation Stress in Goats

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ID: 324646
2026
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Abstract
Abstract The addition of yeast cultures to diets has been demonstrated to maintain the homeostasis of the rumen endo-environment and to enhance the body's immunity. However, the effect of yeast cultures on alleviating transportation stress remains unclear. A total of 16 goats were randomly distributed into 2 dietary treatments (8 replicates/treatment) as follows: Basic diet group (CON); basic diet + 0.3% YC group (YC). The experiment lasted for a total of 46 days, consisting of a 30-day growth trial, followed by a one-day transportation stress treatment, and subsequently a 14-day feeding trial. Samples were taken on days 31, 32, 39 and 46. The results showed that YC improved growth performance, as evidenced by an increase in the average daily gain and a reduction in feed intake and weight gain ratio in goats (p < 0.05). There was a significant interaction between time effect and dietary effect on the rumen histamine (His) and lipopolysaccharide (LPS) content (p < 0.05). There were significant interactions between diet and time on serum interleukin (IL) -1β, IL -6, Tumor Necrosis Factor-α, Glutamic pyruvic transaminase, His, LPS and immunoglobulins (IgA, IgG, and IgM) concentrations (p < 0.05). At the phylum level, Bacteroidota and Firmicutes showed significant interactions between time and diet (p < 0.05). These evidences suggests that the supplementation of YC in the diet has been demonstrated to significantly enhance the immune function of goats, while simultaneously maintaining the homeostasis of the intra-rumen environment. This has the beneficial effect of alleviating the physiological stress associated with transportation.
Reference Key
openalex_W7202215840 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Pei Qi, Lizhi Wang, Wanguo Wang
Journal Translational animal science
Year 2026
DOI
10.1093/tas/txag120
URL
https://doi.org/10.1093/tas/txag120
Keywords Keywords not found

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