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Irish milk has the lowest (joint with Austria) carbon footprint in the EU at 1 kg CO2-eq/kg milk, compared to the EU average of 1.4kg. According to the study, Irish pork also has the lowest carbon footprint in the EU (4.8 kg vs EU average of 7.5 CO2-eq/kg pork) as does Irish chicken (3.3 kg vs EU average of 4.9 CO2-eq/kg poultry).
Other Irish animal products are also reported to have low carbon footprints. For example, Irish beef has a carbon footprint of 19 kg CO2-eq/kg beef, well below the EU average of 22.1 kg CO2-eq/kg beef, and it is the 5th lowest in the EU.
In the report, the carbon footprint of Brazilian beef was estimated to be 80 kg CO2-eq /kg beef when land use change is included (and 48 kg when land use change is not considered) due to a lower productivity of beef production.
http://www.teagasc.ie/news/2011/201102-15.asp
