Effects of inhalation of dust and endotoxin on respiratory tracts of pigs.

Last updated on 22-8-2019 by Anonymous (niet gecontroleerd)

Peer reviewed scientific article



OBJECTIVE: To assess the effects of inhalation of feed flour dust and dustborne endotoxin on respiratory tracts of pigs.ANIMALS: 29 healthy Belgian Landrace pigs.PROCEDURE: Pigs housed in an environmental chamber were exposed for 6 days to feed flour dust (1 to 15 mg/m3) and dustborne endotoxins (50 to 2,500 ng/m3). Effects were evaluated by measuring albumin concentration, lactate dehydrogenase (LDH) activity, cell composition of nasal lavage (NL) and bronchoalveolar lavage (BAL) fluids and blood, and percentages of CD4+ and CD8+ T lymphocytes in blood and lavage fluids. Dustborne endotoxi…

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