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Measuring Methane Production From Ruminants

  • Harinder P.S. Makkar
  • Philip E. Vercoe

Table of contents

  1. Front Matter
    Pages I-XI
  2. S. Lopez, C.J. Newbold
    Pages 1-13
  3. K.A. Johnson, H.H. Westberg, J.J. Michal, M.W. Cossalman
    Pages 33-67
  4. R.S. Hegarty, R.A Leng, J.V. Nolan
    Pages 93-103
  5. P.J. Murray, D.C. Chadwick, C.J. Newbold, D.R. Lockyer
    Pages 105-109
  6. Back Matter
    Pages 137-138

About this book

Introduction

The world’s livestock sector is amidst a major transformation, fuelled by high demand for meat and milk, which is likely to double over the next two decades in developing countries. The major driving force behind this demand for livestock products is a combination of population growth, urbanization and income growth, especially in developing countries. The challenge is to enhance animal productivity without adversely affecting the environment. A key to this is reducing methane emissions from ruminants. The major limitation to ruminant production in many tropical regions of Africa, Asia and Latin America, where a large proportion of the global ruminant population is located, is poor nutrition. The productivity of animals is restricted by the low nitrogen and high fibre content of the native grasses and crop residues, which form the basis of the diets in these regions. Animals on these types of diets emit more methane than animals fed better quality temperate forages. These methane emissions represent a loss of digestible energy to the animal (up to 15%) as well as a threat to the environment. Reducing methane production by ruminants could improve their productivity, provided the efficiency of ruminal metabolism is not compromised, and reduce their contribution to greenhouse gas emissions. The challenge is to devise nutritional strategies and identify dietary components, particularly from locally available plant resources, that reduce methane emissions.

Keywords

Grazing emission emissions environment production respiration

Editors and affiliations

  • Harinder P.S. Makkar
    • 1
  • Philip E. Vercoe
    • 2
  1. 1.Animal Production and Health Section Joint FAO/IAEA Division of Nuclear Techniques in Food and AgricultureInternational Atomic Energy AgencyViennaAustria
  2. 2.School of Animal Biology Faculty of Natural and Agricultural SciencesUniversity of Western AustraliaCrawleyAustralia

Bibliographic information

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