Dust emissions from a tunnel-ventilated broiler poultry shed with fresh and partially reused litter
Modini, Robin L., Agranovski, Victoria, Meyer, Nickolas K., Gallagher, Erin, Dunlop, Mark, & Ristovski, Zoran (2010) Dust emissions from a tunnel-ventilated broiler poultry shed with fresh and partially reused litter. Animal Production Science, 50(5&6), pp. 552-556.
Dust emissions from large-scale, tunnel-ventilated poultry sheds could have negative health and environmental impacts. Despite this fact, the literature concerning dust emissions from tunnel-ventilated poultry sheds in Australia and overseas is relatively scarce. Dust measurements were conducted during two consecutive production cycles at a single broiler shed on a poultry farm near Ipswich, Queensland. Fresh litter was employed during the first cycle and partially reused litter was employed during the second cycle. This provided an opportunity to study the effect that partial litter reuse has on dust emissions. Dust levels were characterised by the number concentration of suspended particles having diameter between 0.5–20 μm and by the mass concentration of dust particles below 10 μm diameter (PM10) and 2.5 μm diameter (PM2.5). In addition, we measured the number size distributions of dust particles. The average concentration and emission rate of dust was higher when partially reused litter was used in the shed than when fresh litter was used. In addition we found that dust particles emitted from the shed with partially reused litter were finer than the particles emitted with fresh litter. Although the change in litter properties is certainly contributing to this observed variability, other factors such as ventilation rate and litter moisture content are also likely to be involved.
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|Item Type:||Journal Article|
|Keywords:||Poultry Shed, Dust Emissions, Suspended Particles, Particle Mass, Particle Number|
|Subjects:||Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > ATMOSPHERIC SCIENCES (040100) > Atmospheric Aerosols (040101)|
Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > ATMOSPHERIC SCIENCES (040100) > Atmospheric Sciences not elsewhere classified (040199)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
Current > Institutes > Institute of Health and Biomedical Innovation
Past > Schools > Physics
|Copyright Owner:||Copyright 2010 CSIRO|
|Deposited On:||19 Nov 2010 12:09|
|Last Modified:||01 Mar 2012 00:25|
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