Abatement control and regulation of emission and ambient concentration of odour and allergens from livestock farming

image of Abatement control and regulation of emission and ambient concentration of odour and allergens from livestock farming

There is a growing concern in the population in the Nordic countries regarding the health impact in connection with the releases of odour and bioaerosols as allergens and other compounds from the agricultural sector. Complaints from neighbours to livestock farm houses about odour are getting more and more common. All types of animal households may potentially lead to odour problems, thousands of different odour and bioaerosol compounds released from livestock farming have been identified. Other sources as bioaerosols from livestock has been identified as a potential source for childhood asthma and can cause health risk for farmers working in intensive livestock production units. Odour and gases related to agricultural activity are an international problem partly due to the intensification of concentrated animal production and partly due to the increasing urban population moving closer to farming and livestock production units. The aim of this report is to present a survey of the existing literature, models, available data regarding odour and allergens released from livestock farming and Nordic policy guidelines on odour annoyance thresholds.



Health implications regarding airborne exposure from livestock

In general, health problems associated with dust from farming have received little medical attention. After the description of farmer’s lung associated with exposure to mouldy hay, most of the attention in this field has been on adverse effects of mouldy and contaminated plant products. Only few of the more than 100 known causes of farmer’s lung are related to livestock farming, usually because of contaminated feed that also poses a risk to the health of the animals. Presumably, farmers have generally been more aware of the health risks in relation to their animals than in relation to their own health. Although in the last couple of decades, the health effects of the livestock environment have been extensively investigated, especially but not exclusively in swine, poultry, and cattle farming.


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