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Misting and ventilation rate effects on air quality and heavy tom turkey performance and health
Authors: J.J.R. Feddes, B.S. Koberslein, F. Robinson and C. Riddell
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Download file: https://library.csbe-scgab.ca/docs/journal/34/34_2_177_ocr.pdf
Published in: CBE Journal » CBE Journal Volume 34 (1992)
Download RAW file: https://library.csbe-scgab.ca/docs/journal/34/34_2_177_raw.pdf
DOI:
Description: Four environmental chambers each initially housing 75 heavy torn turkeys were used to evaluate the effects of ventilation rate and misting of inlet air on airborne particle size distribution, ammonia concentrations and bird health and performance. The birds were reared according to commercial practise and were moved to the environmental chambers at 4 weeks of age. The chambers were either misted or non-misted and ventilated at winter (110 L/s) or summer (500 L/s) rates. Body mass, mortality, feed efficiency (feed/gain), airborne particle and ammonia concentrations along with relative humidity data were recorded. At weeks 12, 16 and 20, twenty-five birds were removed from each chamber for the purpose of scoring theseverity of lesions in thelungs duetoairborne particles. Increased airexchange resulted in increased birdbody mass at 20 weeks (14.0 kg -summer rates, 13.3 kg- winter rates) andlower incidence oflung lesions (16% - summer rates, 36% - winter rates) whereas misting had no effect.
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Citation: J.J.R. Feddes, B.S. Koberslein, F. Robinson and C. Riddell 1992. MISTING AND VENTILATION RATE EFFECTS ON AIR QUALITY AND HEAVY TOM TURKEY PERFORMANCE AND HEALTH. Canadian Agricultural Engineering 34(2):177-181.
Volume: 34
Issue: 1
Pages -
Contributor:
Date: 1992
Technical field:
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Session name:
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Type: Text.Article
Format: PDF
Publication type:
Source:
Relation:
Coverage: Canada
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
Notes:
Other files:
DOI:
Description: Four environmental chambers each initially housing 75 heavy torn turkeys were used to evaluate the effects of ventilation rate and misting of inlet air on airborne particle size distribution, ammonia concentrations and bird health and performance. The birds were reared according to commercial practise and were moved to the environmental chambers at 4 weeks of age. The chambers were either misted or non-misted and ventilated at winter (110 L/s) or summer (500 L/s) rates. Body mass, mortality, feed efficiency (feed/gain), airborne particle and ammonia concentrations along with relative humidity data were recorded. At weeks 12, 16 and 20, twenty-five birds were removed from each chamber for the purpose of scoring theseverity of lesions in thelungs duetoairborne particles. Increased airexchange resulted in increased birdbody mass at 20 weeks (14.0 kg -summer rates, 13.3 kg- winter rates) andlower incidence oflung lesions (16% - summer rates, 36% - winter rates) whereas misting had no effect.
Keywords:
Résumé:
Mots-clés:
Citation: J.J.R. Feddes, B.S. Koberslein, F. Robinson and C. Riddell 1992. MISTING AND VENTILATION RATE EFFECTS ON AIR QUALITY AND HEAVY TOM TURKEY PERFORMANCE AND HEALTH. Canadian Agricultural Engineering 34(2):177-181.
Volume: 34
Issue: 1
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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