The Role of Natural Polysaccharides in Livestock and Poultry Production

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Animal Nutrition".

Deadline for manuscript submissions: 31 August 2026 | Viewed by 1128

Special Issue Editor


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College of Animal Science and Technology, Hunan Agricultural University, Changsha, China
Interests: livestock; probiotics; pathogens
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Special Issue Information

Dear Colleagues,

In the global pursuit of sustainable animal production, enhancing animal welfare, health, and food safety has become a central focus. Dietary intervention is a key strategy for simultaneously improving these aspects. Among various dietary components, natural polysaccharides, as a class of safe, renewable, and biologically active polymers, are attracting increasing attention for their vast potential. These compounds, originating from algae, plants, microorganisms, and fungi, possess diverse chemical structures and biological activities that form the basis of their multifunctionality. While inappropriate diets can induce stress and health crises, natural polysaccharides demonstrate a remarkable capacity to mitigate these challenges. Their application is thus considered crucial for ensuring sustainable production, welfare, and safety in livestock and poultry.

This Special Issue invites contributions on the roles of various natural polysaccharides—such as dietary fibers, plant-derived polysaccharides, seaweed polysaccharides, and microbial polysaccharides—as functional feed additives. The submission of original research papers and review articles that provide deep insights into the underlying physiological and molecular mechanisms by which natural polysaccharides influence animal health, production performance, and product quality is encouraged.

Potential topics include, but are not limited to, the following:

  • Effects of natural polysaccharides on improving growth performance, gut health, immune status, and stress resilience in livestock and poultry.
  • Roles of natural polysaccharides in enhancing the quality and safety of meat, eggs, and milk.
  • Elucidation of the mechanisms of action of natural polysaccharides using multi-omics technologies and molecular biology approaches.
  • Exploration of novel polysaccharide resources, efficient preparation strategies, and efficacy-enhancing methods.

Prof. Dr. Jie Yin
Guest Editor

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Keywords

  • natural polysaccharides
  • animal health
  • nutrition
  • gut health
  • gut microbiota
  • livestock
  • feed additives

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Published Papers (2 papers)

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Research

18 pages, 3655 KB  
Article
Effects of Supplementing Stevia rebaudiana Bertoni Extract in the Diet of Yellow-Feathered Broilers on Meat Quality
by Xiao Peng, Xin Gao, Jing Wang, Zhen Li, Yunfei Song, Jianguo Zeng, Wei Xiang and Xiubin Liu
Animals 2026, 16(7), 1026; https://doi.org/10.3390/ani16071026 - 27 Mar 2026
Viewed by 408
Abstract
Improving meat quality using safe phytogenic feed additives is of practical interest in yellow-feathered broiler production. This study aimed to evaluate the effects of dietary Stevia rebaudiana Bertoni extract (SBE) supplementation on meat quality traits. A total of 510 one-day-old, female yellow-feathered broilers [...] Read more.
Improving meat quality using safe phytogenic feed additives is of practical interest in yellow-feathered broiler production. This study aimed to evaluate the effects of dietary Stevia rebaudiana Bertoni extract (SBE) supplementation on meat quality traits. A total of 510 one-day-old, female yellow-feathered broilers were randomly allocated to six dietary treatments (0, 50, 100, 200, 300, and 400 mg/kg SBE) for 63 days. Meat sensory attributes, routine physicochemical characteristics, amino acid and fatty acid composition, electronic-nose profiles, and total volatile basic nitrogen (TVB–N) during refrigerated storage were assessed. Overall, the results provide evidence that dietary SBE supplementation is associated with changes in multiple meat quality-related parameters, supporting further evaluation of SBE as a phytogenic feed additive in yellow-feathered broilers. Full article
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24 pages, 2228 KB  
Article
Effects of Dietary Paramylon on Nutrient Digestion and Absorption and Intestinal Health of Weaned Piglets
by Tianjiao Wu, Zhiming Zhang, Zheng Luo, Fangbao Shu, Qi Han, Jie Yin and Peng Bin
Animals 2026, 16(2), 304; https://doi.org/10.3390/ani16020304 - 19 Jan 2026
Viewed by 408
Abstract
Weaning stress frequently compromises intestinal integrity and nutrient absorption in piglets and induces structural perturbations in the gut microbiota. This study investigated the effects of dietary Paramylon, a linear β-1,3-glucan from Euglena gracilis, on growth and intestinal function. A total of 32 [...] Read more.
Weaning stress frequently compromises intestinal integrity and nutrient absorption in piglets and induces structural perturbations in the gut microbiota. This study investigated the effects of dietary Paramylon, a linear β-1,3-glucan from Euglena gracilis, on growth and intestinal function. A total of 32 healthy, 21-day-old weaned piglets (male, castrated, Duroc × Landrace × Yorkshire) were randomly allocated to four groups: control, 0.025%, 0.05%, and 0.1% Paramylon (8 pigs/group). The results showed that 0.05% dietary Paramylon quadratically increased average daily gain and feed intake (p < 0.05). Serum TC content significantly increased, while the serum urea level significantly decreased (p < 0.05). This optimal dose was used for mechanistic exploration. Dietary 0.05% Paramylon notably enhanced ileal morphology, increasing the villus height to crypt depth ratio (p < 0.01) and significantly improving apparent nutrient digestibility and ileal β-amylase activity (p < 0.05). The expression levels of SLC7A1 and GLUT2 in ileum tissues were significantly upregulated (p < 0.05). The expression level of SLC7A7 in the liver was also increased (p < 0.05). This nutrient transport-promoting effect was further confirmed in IPEC-J2 cells, which manifested because 10 ng/mL of pure Paramylon significantly upregulated the gene expressions of SLC38A2, EAAT3, PEPT1, and GLUT2 (p < 0.05). KEGG enrichment analysis on the ileum indicated that differentially abundant metabolites were enriched in amino acid-related metabolic pathways. Furthermore, the 16s sequencing results revealed that Romboutsia was significantly enriched in the Paramylon group. In conclusion, Paramylon, as an effective dietary supplement, helps promote nutrient digestion and absorption in weaned piglets and contributes to maintaining intestinal health. Full article
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