Influence of high temperature and humidity on rumen bacterial diversity in Holstein heifers

  • Kiyoshi Tajima*
  • , Itoko Nonaka
  • , Kouji Higuchi
  • , Naozumi Takusari
  • , Mitsunori Kurihara
  • , Akio Takenaka
  • , Makoto Mitsumori
  • , Hiroshi Kajikawa
  • , Rustam I. Aminov
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The effect of heat and humidity stresses on the rumen bacterial molecular diversity of heifers was studied. No statistically significant changes in the rumen microbiota composition were found in the first experiment (average body mass 250 kg) while in the second and third experiments (additional variables included the relative humidity and body weight), the microbiota composition was significantly different at elevated environmental temperatures and humidity. These shifts were accompanied by the decrease in concentration of short-chain fatty acids in the rumen.

Original languageEnglish
Pages (from-to)57-64
Number of pages8
JournalAnaerobe
Volume13
Issue number2
Early online date20 Feb 2007
DOIs
Publication statusPublished - Apr 2007

Funding

This study was supported, in part, by the Research Fund from the Ministry of Agriculture Forestry and Fisheries of Japan. Rustam Aminov is supported by the Scottish Executive Environment and Rural Affairs Department (SEERAD).

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Heat stress
  • Holstein heifers
  • Rumen bacteria

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