Jason Savelio Karena Pene's evidence
previously exhaust has also been via end wall fans, which are no longer used for exhaust). The ventilation configuration is to be changed to a system manufactured by DACS with exhaust via chimney roof vents to aid dispersion of emissions. 19 Odour will be emitted from the free-range operation at a lower rate than from conventional broiler (i.e. non free range) operations of an equivalent scale for the following reasons: 1