If possible, hay with a high risk of spoilage should be stored in silage instead of bales. Buildings with large amounts of dusty material should be properly ventilated. Farm chores that involve handling hay or feed should be mechanized as much as possible to reduce exposure to moldy dust. During cleaning of barns or stables, dust from moldy crops should be wetted down before being swept to prevent it from becoming airborne. This equipment, however, is seldom viewed as an easy solution.
Professional advice is required for selection of the proper mask and filter.
Individuals must also receive training on the proper use of the equipment and procedures for maintenance and repair. To be effective, the respirator should be worn on every occasion that farm dust is encountered. In all cases, however, a key protective measure is to investigate any procedure that can reduce or completely prevent the growth of the heat-tolerant bacteria or moulds that create the unwanted dust. No simple solution exists for coping with Farmer's Lung once a person has the disease. In general, hypersensitive people must avoid breathing dust from moldy crops.