1. GHG Mitigation Opportunities for
Livestock Management in the
U.S.

2. Today’s plan
•
•
•
–
–
•

3. Air Quality
•
•
–
•
•
•
•
•
•
•

4. New Factors for Animal Ag
•
–
–
–
–
–

5. Climate Change Legislation
•
•
•
–
•
–
–

6. Greenhouse gases
•
•
•
•
•
•

7. Greenhouse gases
•
–
•

8. • Enteric fermentation
– Natural process
– Byproduct of
fermentation
–
– Methane is a high
energy compound that
represents uncaptured
feed energy
• Primarily in ruminants
Relevant Processes

9. • Enteric fermentation
– 50-200 L CH4/ beef
animal daily
– 350-590 L CH4/ dairy
cow daily
• Primarily in ruminants
Relevant Processes

10. • Manure emissions
– Natural process
– Byproduct of
fermentation
–
–
• From all animals
Relevant Sources

11. IPCC
•
–
•
•
•
•
•

12. IPCC
•
–
–
–

13. IPCC
•
–
–
•
•
•
•
•

14. Relative contribution to greenhouse gas emission
Energy, 86.4% Solvent and product use,0.1%
Industrial, 4.5%
Agriculture, 6.3%
Waste, 2.7%
EPA, 2007

15. Methane
Waste water systems,
4.7%
Natural gas and
petroleum systems, 26%
Field burning, 0.2%
Rice cultivation, 1%
Other non-ag, 4%
Landfills, 24%
Enteric fermentation, 21%
Manure management
8%
Coal mine
active/nonactive,
11%

16. Nitrous Oxide
Agricultural soil management, 77.9%
Field burning, 0.1%
Production/usage, 5.6%
Forest land, 0.3%
Manure management, 2.0%
Combustion, 11.1%
EPA, 2007

17. Enteric Mitigation
•
•
–
•
–
•
–
•
–

18. Diet Digestibility
•
•
–
–
–
–
–

19. Diet Digestibility
•
•
•

20. Diet Digestibility

21. Additives
•
•
•
•

22. Additives
•
–
•
•
•
•
•
•
•

23. Additives
•
–
–
–
–

24. Additives
•
–
•
–
–
•
–
–
–
–

25. Additives
•
–
–
–
–

26. Additives
•
–
–
–
•
•
–
•

27. Additives
•
–
•
•
•
–
–
–
–

28. Additives
•
–
–
–
•
–
–
–

29. Additives
•
–
–
–
•

30. Genetics
•
–
•
–

31. Genetics
•
–
•
–
•

32. Animal Productivity
•
•

33. Animal Productivity
•
–
–
–
–
–
–
–
–

34. Animal Productivity
•
–
•
•
•

35. Animal Productivity
• •
•
•
•
•
•
•
•

36. Animal Productivity
•
–
–
–
–
–
–

37. Manure Production
•
–
–
–
–

38. Manure Production
•
•
•

39. Manure Production
•
–
–
–
–
•

40. Manure Production
•
–
–
–
–
–
–

41. Composting
•
–
–
•
•
–
•

42. Manure Production
•
–
•
•
–
•
•
•
•

43. Manure Production
•
–
–
–
–
–
–
–
–

44. Make it happen
•
–
–
–
•
–

45. Make it happen
•
•
–
–
–
–
–
–

46. Additional Opportunities
•
–
–
–

47. Summary
•
•
•
•