Advances in Nutritional Manipulation of Rumen Fermentation: Second Edition

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

Deadline for manuscript submissions: 31 January 2026 | Viewed by 179

Special Issue Editor


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Guest Editor
Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China
Interests: ruminant; ruminant nutrition; rumen fermentation; ruminal microbiota; rumen bloat; rumen acidosis; methane emission; nutritional manipulation
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Special Issue Information

Dear Colleagues,

The rumen is an essential digestive organ in ruminants, containing a numerous amount of complicated microorganisms for fermentation. The rumen fermentation process not only affects the utilization efficiency of animal feed, but is also a crucial factor affecting animal production efficiency and methane emissions. It is worth noting that aberrant rumen fermentation can cause rumen acidosis, rumen bloat, and other diseases, and even animal death in severe circumstances. Nutritional manipulation is an important method employed in order to affect rumen fermentation. Scientific and reasonable nutrition manipulation can enhance feed utilization efficiency in ruminants by regulating rumen fermentation, reducing the occurrence of rumen disorders, lowering production costs, mitigating rumen methane emissions, and enhancing the efficiency of ruminant breeding.

Considering the success of the earlier Special Issue "Advances in Nutritional Manipulation of Rumen Fermentation", we are pleased to launch a second Special Issue on the topic, welcoming original research and review papers that address the latest nutrition manipulation theories, methods, and technologies affecting rumen fermentation, including effects on the rumen microbial structure, improving the efficiency of rumen microbial synthesis and nutrient degradation, preventing rumen acidosis and bloating, promoting rumen tissue development and repair, and reducing rumen methane emission via nutrition manipulation methods. Other topics related to the nutritional manipulation of rumen fermentation are also welcome.

We look forward to receiving your contributions.

Dr. Lizhi Wang
Guest Editor

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Keywords

  • ruminant
  • nutritional manipulation
  • ruminal microbiota
  • rumen fermentation
  • rumen bloat
  • rumen acidosis
  • methane emission
  • rumen degradation

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Published Papers (1 paper)

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Research

11 pages, 222 KiB  
Article
Effects of Rumen-Protected Taurine Supplementation on Ruminal Fermentation, Hematological Profiles, Liver Function, and Immune Responses in Yaks
by Shoupei Zhao, Lianghao Lu, Yuanyuan Chen, Huaming Yang, Bao Zhang, Mingyu Cao, Wenju Chao, Wanchao Xue, Xiaorong Fan, Jianxin Xiao, Rui Hu, Quanhui Peng, Lizhi Wang, Zhisheng Wang and Bai Xue
Animals 2025, 15(13), 1929; https://doi.org/10.3390/ani15131929 - 30 Jun 2025
Abstract
The present study evaluated the effects of dietary rumen-protected taurine (RPT) supplementation on ruminal fermentation, hematological parameters, liver function, stress-related hormones, and immune responses in yaks. Eighteen yaks were randomly allocated to three groups: a control group receiving no RPT (CON), a low-dose [...] Read more.
The present study evaluated the effects of dietary rumen-protected taurine (RPT) supplementation on ruminal fermentation, hematological parameters, liver function, stress-related hormones, and immune responses in yaks. Eighteen yaks were randomly allocated to three groups: a control group receiving no RPT (CON), a low-dose group receiving 20 g/day (RPT20), and a high-dose group receiving 40 g/day (RPT40). Supplementation with RPT did not significantly affect ruminal pH, microbial protein concentration, ammonia nitrogen, total volatile fatty acids, or the individual volatile fatty acid profiles (p > 0.05). A decreasing trend in red blood cell count was observed (p = 0.050), while no significant changes were detected in white blood cell or platelet indices (p > 0.05). Liver function markers, including albumin, alanine transaminase, aspartate transaminase, and total protein, remained unchanged, although a trend toward altered alkaline phosphatase activity was noted (p = 0.074). No significant effects were observed on acute-phase proteins (serum amyloid A, C-reactive protein) or stress-related hormones (epinephrine, adrenocorticotropic hormone, cortisol) (p > 0.05). Importantly, serum immunoglobulin A and immunoglobulin G levels were significantly increased in response to RPT supplementation (p = 0.029 and p = 0.043, respectively), suggesting enhanced humoral immunity. These findings indicate that RPT may improve immune function in yaks without negatively affecting rumen fermentation or liver health. Full article
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