Meat Eaters Guide: Methodology - Environmental Working Group

Meat Eaters Guide: Methodology
Calculation for Total Overall Greenhouse Gas Emissions from Turkey Production and Consumption
b. Emissions Sources for Poultry
The majority of greenhouse gas emissions from broiler production at farmgate is generated by feed
production – primarily corn (53 percent), followed by transportation of inputs (23 percent), on-farm
energy inputs (12 percent), and N 2 0 emissions from the litter (11 percent). 59
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Figure 4. Sources of GHG Emissions from British Columbia Poultry Farm
Figure 5. Chicken: Production and Post-Farmgate Emissions are Roughly Equal
Environmental Working Group Meat Eaters Guide: Methodology 2011