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Improving the prediction of odour impacts from meat chicken farms with detailed ventilation and odour data

Dunlop, M. W., Gallagher, E., Sohn, J. and Bell, K. L. (2013) Improving the prediction of odour impacts from meat chicken farms with detailed ventilation and odour data. In: CASANZ 2013.

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Article Link: http://emobilise.com.au/files/programs/56/abstract...


Odour from meat chicken (broiler) farms is an environmental issue affecting the sustainable development of the chicken meat industry but is a normal part of broiler production. Odour plumes exhausted from broiler sheds interact with the environment, where dispersion and dilution of the odours
varies constantly, especially diurnally. The potential for odour impacts is greatest when odour emission rates are high and/or when atmospheric dispersion and dilution of odour plumes is limited (i.e. during stable conditions).
We continuously monitored ventilation rate, on-site weather conditions, atmospheric stability, and estimated odour concentration with an artificial olfaction system. Detailed inspection of odour emission rates at critical times, i.e. dawn, dusk and night time, revealed that maximum daily and
batch odour emission rates are not necessarily the cause of odour impacts. Periods of lower odour emission rates on each day are more likely to correspond with odour impacts. Odour emission rates need to be measured at the times when odour impacts are most likely to occur, which is likely to be at night. Additionally, high resolution ventilation rate data should be sought after to improve odour emission models, especially at critical times of the day. Consultants, regulators and researchers need to give more thought to odour emission rates from meat chicken farms to improved prediction and management of odour impacts.

Item Type:Conference or Workshop Item (Paper)
Business groups:Animal Science, Crop and Food Science
Subjects:Agriculture > Agriculture (General) > Agricultural structures. Farm buildings
Animal culture > Poultry > Chickens
Live Archive:01 Jul 2014 06:13
Last Modified:03 Sep 2021 16:44

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