By National Research Council, Division on Earth and Life Studies, Board on Environmental Studies and Toxicology, Board on Agriculture and Natural Resources, Committee on Animal Nutrition, Ad Hoc Committee on Air Emissions from Animal Feeding Operations
Air Emissions from Animal Feeding Operations: present wisdom, destiny wishes discusses the necessity for the U.S. Environmental safety employer to enforce a brand new strategy for estimating the quantity of ammonia, nitrous oxide, methane, and different toxins emitted from farm animals and chicken farms, and for opting for how those emissions are dispersed within the surroundings. The committee demands the EPA and the U.S. division of Agriculture to set up a joint council to coordinate and oversee brief - and long term examine to estimate emissions from animal feeding operations properly and to improve mitigation recommendations. Their advice was once for the joint council to concentration its efforts first on these pollution that pose the best possibility to the surroundings and public health and wellbeing.
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Extra info for Air Emissions from Animal Feeding Operations Current Knowledge, Future Needs
Proposed EPA regulations aimed at improving water quality may affect rates and distributions of air emissions from animal feeding operations. Discussion: Regulations aimed at protecting water quality would probably affect manure management at the farm level, especially since they might affect the use of lagoons and the application of manure on cropland or forests. For example, the proposed water regulations may mandate nitrogen (N) or phosphorus (P) based comprehensive nutrient management plans (CNMPs).
SUMMARY These findings and recommendations, taken together, point to two major changes in direction for improving the basic information needed for dealing with the adverse effects of air emissions from AFOs. One is to replace the current emission factor approach for estimating and tracking the rates and fates of air emissions using a process-based modeling approach with mass balance constraints. The second is to initiate a substantial long-term research program on the overall system of producing food from animal feeding operations with the goal of eliminating the release of undesirable air and other emissions into the environment.
For example, beef cattle feedlots with more than 1000 head of cattle, which sold an average of LIVESTOCK AGRICULTURE AND ANIMAL FEEDING OPERATIONS 29 10,983 head in 1997, accounted for 85 percent of the beef cattle sold (EPA, 2001a). The largest size categories for other kinds of livestock operations have similarly large shares of the number of animals and production. Nevertheless, the large number of operations in even the largest size categories keeps any one, or any group, of them from having sufficient market power to affect the prices of their products.