Dust particles
Sources
- automated dry-feed handling systems
- dander& hair from animals, and dried
- manure particles from animals on slotted & solid floors
- manure gases can cling to dust
- particulate matter
- viral, bacterial, & fungal agents
Effects on human health
- Breathing dusty air for an extended time
- chronic bronchitis
- capacity to take in and exhale oxygen may be reduced
- increased susceptibility to respiratory diseases such as colds
- episodes of flu-like illness with fever might develop
- adverse allergic reactions may result
Reynolds and co-workers (1997)
- Inside: 0.75 to 2.59 mg/m3
- Outside: 0.2 mg/m3
- NOISH: 5 mg/m3 (respirable)