750 sows or 40,000 chickens should use the best available techniques (BAT),
such as air-washers or phase feeding, to reduce emissions into the environment. Unfortunately, housing systems with high
consumer acceptance, such as straw based deep litter, have been shown to produce more pollutant gases as keeping pigs on
slatted floors (Philippe et al., 2007).
750 sows or 40,000 chickens should use the best available techniques (BAT),such as air-washers or phase feeding, to reduce emissions into the environment. Unfortunately, housing systems with highconsumer acceptance, such as straw based deep litter, have been shown to produce more pollutant gases as keeping pigs onslatted floors (Philippe et al., 2007).
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