Cited by 136Ruminant Nutrition and Digestive PhysiologyAnimal Nutrition and PhysiologyGut microbiota and health

Weaning age influences the severity of gastrointestinal microbiome shifts in dairy calves

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Meale, S. J., Li, S. C., Azevedo, P., Derakhshani, H., DeVries, T. J., Plaizier, J. C., Steele, M. A., Khafipour, E.·2017·Scientific Reports

Abstract

Ruminants microbial consortium is responsible for ruminal fermentation, a process which converts fibrous feeds unsuitable for human consumption into desirable dairy and meat products, begins to establish soon after birth. However, it undergoes a significant transition when digestion shifts from the lower intestine to ruminal fermentation. We hypothesised that delaying the transition from a high milk diet to an exclusively solid food diet (weaning) would lessen the severity of changes in the gastrointestinal microbiome during this transition. β-diversity of ruminal and faecal microbiota shifted rapidly in early-weaned calves (6 weeks), whereas, a more gradual shift was observed in late-weaned calves (8 weeks) up to weaning. Bacteroidetes and Firmicutes were the most abundant ruminal phyla in pre- and post-weaned calves, respectively. Yet, the relative abundance of these phyla remained stable in faeces (P ≥ 0.391). Inferred gene families assigned to KEGG pathways revealed an increase in ruminal carbohydrate metabolism (P ≤ 0.009) at 9, compared to 5 weeks. Conversely, carbohydrate metabolism in faeces declined (P ≤ 0.002) following a change in weaning status (i.e., the shift from pre- to post-weaning). Our results indicate weaning later facilitates a more gradual shift in microbiota and could potentially explain the negative effects of early-weaning associated with feeding a high-plane of pre-weaning nutrition.

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  1. [3]Church, D. C. Digestive Physiology and Nutrition of Ruminants. 2 edn, Vol. 1 (Corvallis OR: O&B Books, 1976).
  2. [19]Hungate, R. E. (Academic Press, New York, 1966).

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Authors
Meale, S. J., Li, S. C., Azevedo, P., Derakhshani, H., DeVries, T. J., Plaizier, J. C., Steele, M. A., & Khafipour, E.
Affiliations
  • VetAgro Sup (FR)
  • University of Manitoba (CA)
  • University of Guelph (CA)
  • University of Alberta (CA)
Corresponding author
  • Steele, M. A.
  • Khafipour, E.
Venue
Scientific Reports
Published
2017-03-15
Volume
7
Issue
1
Pages
198-198
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2594291939
Cited by
133
References
53
Citations by year
2026: 9 · 2025: 10 · 2024: 14 · 2023: 17 · 2022: 22 · 2021: 19 · 2020: 19 · 2019: 10 · 2018: 11 · 2017: 2
FWCI
20.90
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
Keywords
weaning age, dairy calves, gastrointestinal microbiome, rumen microbiota, fecal microbiota, rumen fermentation, Bacteroidetes, Firmicutes, carbohydrate metabolism, early weaning, plane of nutrition, microbial diversity
MeSH terms
Bacillota, Gastrointestinal Microbiome, Animals, Cattle, Feces, Phylogeny, Rumen, Weaning, Bacteroidetes, Carbohydrate Metabolism

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