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Ebooks on agriculture and the applied life sciences from CAB International

CABI Book Chapter

Livestock production and climate change.

Book cover for Livestock production and climate change.

Description

This 395-paged-book aims to raise awareness among scientists, academics, students, livestock farmers and policy makers of the twin inter-related and inter-dependent complex mechanisms of livestock rearing and climate change. The contents are divided into sections: one on livestock production, one on climate change and one on enteric methane amelioration. In the first section, decisive issues such ...

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Chapter 20 (Page no: 304)

Immunization and tannins in livestock enteric methane amelioration.

The complexity of the rumen microbial ecosystem supports the efficient conversion of various carbohydrates to volatile fatty acids for fulfilling host energy requirement via stepwise disposal of hydrogen (H2) through the reduction of carbon dioxide (CO2) to methane (CH4). Although, this mechanism is indispensable for rumen homeostasis, CH4 production in ruminants has attracted a great deal of attention due to its contribution to the greenhouse gas effect and global warming. Various strategies have therefore been considered for its mitigation. Rumen methanogen targeting vaccination is a promising means of reducing CH4 emissions by decreasing the number or activity of rumen methanogens. However, trials of this strategy have provided inconsistent results, and need for further consideration of the composition, function and microbial interactions within the ecosystem. Alternatively, to establish a more efficient way for the mitigation of CH4 emission, systematic intervention in rumen microbial populations by a combination of vaccination and other chemical means may also be feasible. Although some of the CH4 abatement strategies have shown efficacy in vivo, more research is needed to make any of these approaches applicable to animal production systems. This chapter provides the background to the diversity and plasticity of functions of the rumen bacterial and methanogenic communities, as well as some of the CH4 abatement options that aim to manipulate the rumen community, including immunization and other concepts.

Other chapters from this book

Chapter: 1 (Page no: 1) Overview. Author(s): Prasad, C. S. Malik, P. K. Bhatta, R.
Chapter: 2 (Page no: 8) Feed resources vis-à-vis livestock and fish productivity in a changing climate. Author(s): Blümmel, M. Haileslassie, A. Herrero, M. Beveridge, M. Phillips, M. Havlik, P.
Chapter: 3 (Page no: 25) Strategies for alleviating abiotic stress in livestock. Author(s): Sejian, V. Iqbal Hyder Malik, P. K. Soren, N. M. Mech, A. Mishra, A. Ravindra, J. P.
Chapter: 4 (Page no: 61) Nitrogen emissions from animal agricultural systems and strategies to protect the environment. Author(s): Kohn, R. A.
Chapter: 5 (Page no: 74) Nutritional strategies for minimizing phosphorus pollution from the livestock industry. Author(s): Ray, P. P. Knowlton, K. F.
Chapter: 6 (Page no: 90) Metagenomic approaches in harnessing gut microbial diversity. Author(s): Thulasi, A. Lyju Jose Chandrasekharaiah, M. Rajendran, D. Prasad, C. S.
Chapter: 7 (Page no: 100) Proteomics in studying the molecular mechanism of fibre degradation. Author(s): Singh, N. K.
Chapter: 8 (Page no: 111) Perspective on livestock-generated GHGs and climate. Author(s): Takahashi, J.
Chapter: 9 (Page no: 125) Carbon footprints of food of animal origin. Author(s): Flachowsky, G.
Chapter: 10 (Page no: 146) Carbon sequestration and animal-agriculture: relevance and strategies to cope with climate change. Author(s): Devendra, C.
Chapter: 11 (Page no: 162) Climate change: impacts on livestock diversity in tropical countries. Author(s): Banik, S. Pankaj, P. K. Naskar, S.
Chapter: 12 (Page no: 183) Climate change: effects on animal reproduction. Author(s): Jyotirmoy Ghosh Dhara, S. K. Malik, P. K.
Chapter: 13 (Page no: 202) Climate change: impact of meat production. Author(s): Musalia, L. M.
Chapter: 14 (Page no: 214) Indigenous livestock resources in a changing climate: Indian perspective. Author(s): Ahlawat, S. P. S. Pushpendra Kumar Kush Shrivastava Sahoo, N. R.
Chapter: 15 (Page no: 229) Enteric methane emission: status, mitigation and future challenges - an Indian perspective. Author(s): Raghavendra Bhatta Malik, P. K. Prasad, C. S.
Chapter: 16 (Page no: 245) Thermodynamic and kinetic control of methane emissions from ruminants. Author(s): Kohn, R. A.
Chapter: 17 (Page no: 263) Ionophores: a tool for improving ruminant production and reducing environmental impact. Author(s): Bell, N. Wickersham, T. Sharma, V. Callaway, T.
Chapter: 18 (Page no: 273) Residual feed intake and breeding approaches for enteric methane mitigation. Author(s): Berry, D. P. Lassen, J. Haas, Y. de
Chapter: 19 (Page no: 292) Acetogenesis as an alternative to methanogenesis in the rumen. Author(s): Gagen, E. J. Denman, S. E. McSweeney, C. S.
Chapter: 21 (Page no: 318) Phage therapy in livestock methane amelioration. Author(s): Gilbert, R. A. Ouwerkerk, D. Klieve, A. V.
Chapter: 22 (Page no: 336) Feed-based approaches in enteric methane amelioration. Author(s): Malik, P. K. Bhatta, R. Soren, N. M. Sejian, V. Mech, A. Prasad, K. S. Prasad, C. S.
Chapter: 23 (Page no: 360) Methanotrophs in enteric methane mitigation. Author(s): Soren, N. M. Malik, P. K. Sejian, V.
Chapter: 24 (Page no: 376) Summary. Author(s): Malik, P. K. Bhatta, R. Saravanan, M. Baruah, L.