Cited by 97Ruminant Nutrition and Digestive PhysiologyAnaerobic Digestion and Biogas ProductionAnimal Nutrition and Physiology

Shifts in Rumen Fermentation and Microbiota Are Associated with Dissolved Ruminal Hydrogen Concentrations in Lactating Dairy Cows Fed Different Types of Carbohydrates

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Wang, Min, Wang, Rong, Xie, Tian Yu, Janssen, Peter H, Sun, Xue Zhao, Beauchemin, Karen A, Tan, Zhi Liang, Gao, Min·2016·The Journal of Nutrition

Abstract

Background Different carbohydrates ingested greatly influence rumen fermentation and microbiota and gaseous methane emissions. Dissolved hydrogen concentration is related to rumen fermentation and methane production. Objectives We tested the hypothesis that carbohydrates ingested greatly alter the rumen environment in dairy cows, and that dissolved hydrogen concentration is associated with these changes in rumen fermentation and microbiota. Methods Twenty-eight lactating Chinese Holstein dairy cows [aged 4-5 y, body weight 480 ± 37 kg (mean ± SD)] were used in a randomized complete block design to investigate effects of 4 diets differing in forage content (45% compared with 35%) and source (rice straw compared with a mixture of rice straw and corn silage) on feed intake, rumen fermentation, and microbial populations. Results Feed intake (10.7-12.6 kg/d) and fiber degradation (0.584-0.692) greatly differed (P ≤ 0.05) between cows fed the 4 diets, leading to large differences (P ≤ 0.05) in gaseous methane yield (27.2-37.3 g/kg organic matter digested), dissolved hydrogen (0.258-1.64 μmol/L), rumen fermentation products, and microbiota. Ruminal dissolved hydrogen was negatively correlated (r 0.40; P Conclusions Changes in fermentation pathways from acetate toward propionate production and in microbiota from fibrolytic toward amylolytic species were closely associated with ruminal dissolved hydrogen in lactating dairy cows. An unresolved paradox was that greater dissolved hydroge…

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Crossref · 10.3945/jn.116.232462

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  • Elevated fermentative acetate production is consistently associated with an increase in methane production.

    “Generally, elevated fermentative acetate production is consistently associated with an increase in methane production [52, 53].”

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Authors
Wang, M., Wang, R., Xie, T. Y., Janssen, P. H., Sun, X. Z., Beauchemin, K. A., Tan, Z. L., & Gao, M.
Affiliations
  • Chinese Academy of Sciences (CN)
  • AgResearch (NZ)
  • Agriculture and Agri-Food Canada (CA)
  • Inner Mongolia Academy of Agricultural & Animal Husbandry Sciences (CN)
Corresponding author
Tan, Zhi Liang
Venue
The Journal of Nutrition
Publisher
Elsevier BV
Published
2016-09
Volume
146
Issue
9
Pages
1714-1721
ISSN
0022-3166 (ISSN-L)
OpenAlex
W2503358543
Cited by
91
References
36
Citations by year
2026: 8 · 2025: 11 · 2024: 8 · 2023: 15 · 2022: 16 · 2021: 7 · 2020: 7 · 2019: 6 · 2018: 5 · 2017: 8
FWCI
13.00
Type
journal article
Language
en
Open access
Locations
  • Journal of Nutrition (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
  • Physical Sciences › Engineering › Building and Construction › Anaerobic Digestion and Biogas Production
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
Keywords
rumen fermentation, rumen microbiota, lactating dairy cows, carbohydrate sources, rice straw, corn silage, methane emissions, methanogenic archaea, Fibrobacter succinogenes, Selenomonas ruminantium, Prevotella, acetate, propionate, butyrate, Gibbs free energy, fiber degradation, feed intake
MeSH terms
Gastrointestinal Microbiome, Animals, Animal Feed, Cattle, Diet, Dietary Carbohydrates, Female, Fermentation, Hydrogen, Lactation, Methane, Models, Theoretical, Rumen, Prevotella, Selenomonas, Fibrobacter

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