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Ecosystems

, Volume 13, Issue 2, pp 205–221 | Cite as

Livestock Water Use and Productivity in the Nile Basin

  • Paulo van Breugel
  • Mario Herrero
  • Jeannette van de Steeg
  • Don Peden
Article

Abstract

Livestock are the major consumers of water but also sustain millions of pastoralist and farming families. In regions where water is a scarce commodity, such as the Nile basin, there is a need for strategies to improve livestock water productivity (LWP). This study seeks to contribute to this need through a better understanding of livestock water use and productivity within the Nile basin and how this varies across the basin. We developed a spatial framework combining dynamic models of digestion in ruminants, crop water requirements (CWRs), and animal drinking water requirements to estimate spatial distribution of livestock water requirements in different livestock production systems (LPSs). We compared this with livestock production and water availability estimates within the basin. The results show that in most areas LWP is less than 0.1 USD/m3, with only few areas showing a LWP of 0.5 USD/m3 and higher. This is largely related to very low livestock meat and milk production on one hand and very variable, but, in general, low feed water productivity (fWP). Total water need for feed production was estimated to be roughly 94 billion m3, which amounts to approximately 5% of the total annual rainfall (68 billion m3 or 3.6% of total annual rainfall when excluding water for residues). Differences in LWP between systems and regions are large, suggesting considerable scope for improvements. We discuss the main factors influencing observed patterns of LWP and livestock water use and how this information can be used for developing strategies for increasing the water productivity of agricultural systems at the basin level.

Keywords

livestock water productivity livestock water use feed requirements livestock systems crop and range water requirements Nile basin 

Notes

Acknowledgment

This article presents findings from PN37, “Nile Basin livestock water productivity,” a part of the CGIAR Challenge Program on Water and Food.

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Paulo van Breugel
    • 1
  • Mario Herrero
    • 1
  • Jeannette van de Steeg
    • 1
  • Don Peden
    • 1
  1. 1.International Livestock Research InstituteNairobiKenya

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