Farmers

Grain dust is a well known cause of occupational asthma, to which farmers are exposed during harvesting, moving and processing crops. Biocides can be a problem, mainly for livestock farmers. Lanoline and organophosphates could potentially be a problem but little is known about them at the moment. In countries with a long winter indoor feeding season, allergy to cows is common. Workers in swine confinement buildings have a high incidence of respiratory symptoms, but perhaps related to endotoxins, biocides or benzalkonium chloride. The principal disease is organic dust toxic syndrome (ODTS).

As with most causative agents, the risk of occupational asthma is increased as the level of exposure is increased. Where possible work upwind of the dust sources when outdoors and keep vehicle doors and windows closed. Use a filteredclean air supply for tractor and harvester cabs, and for cereal transfer control rooms. Provide enclosures with dust extraction at cereal transfer points and consider the user of a respirator. Try to avoid sweeping and the use of compressed air when cleaning, instead use wet methods and vacuum cleaners with HEPA filters.

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Related pages

			Bakers
			Shield

Links

	HSE advice for Agriculture Workers
Information and guidance from the Health and Safety Executive (UK) for Agriculture workers.
http://www.hse.gov.uk/asthma/agriculture.htm

	Farmer information on the Haz-Map Database of Hazardous Chemicals and Occupational Diseases
Information on high risk job tasks for farmers
http://hazmap.nlm.nih.gov/cgi-bin/hazmap_generic?tbl=TblJobs&id=312

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