New aspects and strategies for methane mitigation from ruminants

Sanjay Kumar, Prasanta Kumar Choudhury, Maria Dolores Carro, Gareth Wyn Griffith, Sumit Singh Dagar, Monica Puniya, Serena Calabro, Sreenivas Rao Ravella, Tejpal Dhewa, Ramesh Chandra Upadhyay, Sunil Kumar Sirohi, Shivlal Singh Kundu, Metha Wanapat, Anil Kumar Puniya*

*Corresponding author for this work

Research output: Contribution to journalLiterature reviewpeer-review

103 Citations (SciVal)
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Abstract

The growing demand for sustainable animal production is compelling researchers to explore the potential approaches to reduce emissions of greenhouse gases from livestock that are mainly produced by enteric fermentation. Some potential solutions, for instance, the use of chemical inhibitors to reduce methanogenesis, are not feasible in routine use due to their toxicity to ruminants, inhibition of efficient rumen function or other transitory effects. Strategies, such as use of plant secondary metabolites and dietary manipulations have emerged to reduce the methane emission, but these still require extensive research before these can be recommended and deployed in the livestock industry sector. Furthermore, immunization vaccines for methanogens and phages are also under investigation for mitigation of enteric methanogenesis. The increasing knowledge of methanogenic diversity in rumen, DNA sequencing technologies and bioinformatics have paved the way for chemogenomic strategies by targeting methane producers. Chemogenomics will help in finding target enzymes and proteins, which will further assist in the screening of natural as well chemical inhibitors. The construction of a methanogenic gene catalogue through these approaches is an attainable objective. This will lead to understand the microbiome function, its relation with the host and feeds, and therefore, will form the basis of practically viable and eco-friendly methane mitigation approaches, while improving the ruminant productivity.

Original languageEnglish
Pages (from-to)31-44
Number of pages14
JournalApplied Microbiology and Biotechnology
Volume98
Issue number1
Early online date19 Nov 2013
DOIs
Publication statusPublished - 01 Jan 2014

Keywords

  • Rumen
  • Methane mitigation
  • Enteric fermentation
  • Methanogens
  • Ruminants
  • RUMEN-SIMULATION TECHNIQUE
  • LACTATING DAIRY-COWS
  • MALIC ACID SUPPLEMENTATION
  • BUFFALO BUBALUS-BUBALIS
  • FED DIFFERENT DIETS
  • IN-VITRO
  • MICROBIAL-GROWTH
  • COCONUT OIL
  • MICROORGANISM FERMENTATION
  • BEEF-CATTLE

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