Nitrogen and phosphorus excretion calculator tool for pigs and poultry

"The Environment Agency regulates and advises on various aspects of the agriculture sector including large-scale intensive pig and poultry units through the Environmental Permitting Regulations. Environmental permits are required for farms with more than 40,000 poultry places, more than 2,000 production pig places or more than 750 sow places. This regulatory regime ensures that emissions from these activities do not have an unacceptable impact on nearby protected habitat sites, nor contribute excessively to the nat...