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  • Title: Respiratory effects and dust exposures in hog confinement farming.
    Author: Holness DL, O'Blenis EL, Sass-Kortsak A, Pilger C, Nethercott JR.
    Journal: Am J Ind Med; 1987; 11(5):571-80. PubMed ID: 3591805.
    Abstract:
    Fifty-three hog confinement farmers and 43 control farmers were studied. Pulmonary function, total and respirable personal dust levels, and responses to a health status questionnaire were obtained for all farmers. The hog farmers' total and respirable personal dust exposures were significantly higher than the respective levels of the control farmers. Higher dust levels were associated with the use of floor (scatter) feeding, indoor feed grinding, and the use of high moisture corn feed. Pork producers reported respiratory symptoms significantly more often than controls. Lung function did not differ between the two groups of farmers, nor could dust exposure levels be related to lung function.
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