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Characterization of the aerosol in turkey rearing confinements.
Cravens-RL; Beaulieu-HJ; Buchan-RM
Am Ind Hyg Assoc J 1981 Apr; 42(4):315-318
The aerosol found in turkey rearing confinements was evaluated with a method for dust suppression. An experimental barn was equipped with a water spray dust suppression system; the control barn was not so equipped. Dust samples from the barns were collected weekly for 17 weeks. Blood samples and live birds were examined biweekly. The aerosol contained mold spores, bacteria, dander, feather fragments, wood shavings, and crystalline silica (7631869). Concentrations were consistently and substantially lower in the sprayed barn than in the control barn. Biological evaluation showed no significant difference in the incidence of airsacculitis between birds from both barns. Birds from both barns were positive for Mycoplasma- meleogridis at the beginning of the experiment and for Newcastle disease by week 10. The mortality rate of the control barn was 1.74 times that of the sprayed barn. The authors conclude that the reduced mortality rate in the sprayed barn was a result of its diminished aerosol concentration.
NIOSH-Publication; NIOSH-Grant; Dust-control; Dust-analysis; Mortality-rates; Livestock-industry; Poultry; Dust-exposure
Microbiology Colorado State University Department of Microbiology Fort Collins, Colo 80523
Issue of Publication
American Industrial Hygiene Association Journal
Colorado State University, Fort Collins, Colorado
Page last reviewed: March 11, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division