Use of an air sample meter or tube3 can, with some risk and difficulty, obtain an air test sample. Opening a silo hatch door at silage level and running the silo filler blower to offer an air exchange for 30 minutes prior to entry can help. Acute flu like symptoms. If symptoms occur with repeated exposure, then the most likely diagnosis is Farmers Lung. Exposure to large amounts of dust containing moldy hay, grain, grain dust, dried bird droppings or dry manure particles in the air.
Exposure can occur during cleaning, harvest or material movement during farm work.
Rated cartridge respirators with HEPA filters are more efficient. Powered air-purifying helmets3 also cool the user as it filters the air. Exposure to grain or feed dust, mold, animal dander, excrement, and disinfectants, feed additives, and pesticides can cause individuals to develop asthma. Reduce exposures to agents that trigger conditions of asthma. Use of respirators may help control exposure to some conditions that cause asthma symptoms.