ivestock plays an important role in the daily lives of farmers throughout East Africa. It provides human nutrition, food security, income, draught power, manure for nutrient cycling, and has important cultural value. However, the proliferating demand of animal-sourced foods associated with population growth, urbanization and increasing incomes is of growing global concern. The livestock sector is responsible for large contributions to greenhouse gas (GHG) emissions, land use change, soil degradation, water use and loss of biodiversity.
A deficit in the supply of animal protein for growing populations in most African countries presents increased challenges for livestock rearing. Scientists are still trying to find a balance between adequate, nutritious food production and long-term environmental sustainability.
To this end, assessing the environmental footprint of livestock systems can help decision-makers understand anyenvironmental tradeoffs. This promotes interventions thatsustainably intensify livestock production by minimizing the negative impacts and enhancing the positive ones.
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