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Pig building dustiness as affected by canola oil in the feed
Authors: R.A, Welford, J.J.R. Feddes, E.M. Barber
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Download file: https://library.csbe-scgab.ca/docs/journal/34/34_4_365_ocr.pdf
Published in: CBE Journal » CBE Journal Volume 34 (1992)
Download RAW file: https://library.csbe-scgab.ca/docs/journal/34/34_4_365_raw.pdf
DOI:
Description: Experiments were performed in a swine grower-finisher room to determine the effect of canola oil treatment of feed on several indices of dustiness. The effectiveness of the oil treatment was assessed over 18 weeks by measuring the respirable dust particle counts (RPC), airborne dust inhalable mass concentration (IMC), and dust sedimentation rate (DSR). The dry feed contained 0% and 2% canola oil on alternate weeks. The pen floors were partially slattedduring the first 8 weeks and were totally slatted during the last 10 weeks. The mean RPC was 45% higher for the oil treatment compared to the no-oil treatment. The meanIMCwas 31%lowerfor the oil treatment compared to the no-oil treatment. The mean DSR within the room was 7% lower and within the recirculation duct was 9% lower for the oil treatment compared to the no-oil treatment. None of these differences were statistically significant (P > 0.1). Workers reported that the building did not seem to be as dusty, especially during feedhandling, whenthefeedwasoiled.Theresults of this experiment suggested that, whereas canola oil additions to feed may appearto reduce nuisance dust levels in pig buildings, the concentration of respirable dust particlesmay not be reducedby the feed treatment. The nitrogen content of the dust was significantly higher (P < 0.05) for the oil treatments compared to the no-oil treatments. This result suggests that a greater percentage of the dust may be of animal or microbial origin when dust concentrations are lowered by adding oil to feed.
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Citation: R.A, Welford, J.J.R. Feddes, E.M. Barber 1992. PIG BUILDING DUSTINESS AS AFFECTED BY CANOLA OIL IN THE FEED. Canadian Agricultural Engineering 34(4):365-373.
Volume: 34
Issue: 3
Pages -
Contributor:
Date: 1992
Technical field:
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Type: Text.Article
Format: PDF
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Relation:
Coverage: Canada
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
Notes:
Other files:
DOI:
Description: Experiments were performed in a swine grower-finisher room to determine the effect of canola oil treatment of feed on several indices of dustiness. The effectiveness of the oil treatment was assessed over 18 weeks by measuring the respirable dust particle counts (RPC), airborne dust inhalable mass concentration (IMC), and dust sedimentation rate (DSR). The dry feed contained 0% and 2% canola oil on alternate weeks. The pen floors were partially slattedduring the first 8 weeks and were totally slatted during the last 10 weeks. The mean RPC was 45% higher for the oil treatment compared to the no-oil treatment. The meanIMCwas 31%lowerfor the oil treatment compared to the no-oil treatment. The mean DSR within the room was 7% lower and within the recirculation duct was 9% lower for the oil treatment compared to the no-oil treatment. None of these differences were statistically significant (P > 0.1). Workers reported that the building did not seem to be as dusty, especially during feedhandling, whenthefeedwasoiled.Theresults of this experiment suggested that, whereas canola oil additions to feed may appearto reduce nuisance dust levels in pig buildings, the concentration of respirable dust particlesmay not be reducedby the feed treatment. The nitrogen content of the dust was significantly higher (P < 0.05) for the oil treatments compared to the no-oil treatments. This result suggests that a greater percentage of the dust may be of animal or microbial origin when dust concentrations are lowered by adding oil to feed.
Keywords:
Résumé:
Mots-clés:
Citation: R.A, Welford, J.J.R. Feddes, E.M. Barber 1992. PIG BUILDING DUSTINESS AS AFFECTED BY CANOLA OIL IN THE FEED. Canadian Agricultural Engineering 34(4):365-373.
Volume: 34
Issue: 3
Pages -
Contributor:
Date: 1992
Technical field:
Conference name:
Session name:
Other information:
Type: Text.Article
Format: PDF
Publication type:
Source:
Relation:
Coverage: Canada
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
Notes:
Other files:
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