Ammonia (NH3) emissions were measured from pig and cattle slurry storage by means of
the funnel technique on the slurry surface and floating wind tunnels. It was found that emissions of ammonia from animal waste storage correlated with slurry temperature and were dependent on the measuring method used.
Results obtained by the wind tunnel were considered to be the most representative of
losses under real environmental conditions and could be used for an investigation of the
national inventory.