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Quantification of mechanical forage conditioning by compressibility
Authors: P. Savoie. M. Roberge and D. Tremblay
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Download file: https://library.csbe-scgab.ca/docs/journal/38/38_3_157_ocr.pdf
Published in: CBE Journal » CBE Journal Volume 38 (1996)
Download RAW file: https://library.csbe-scgab.ca/docs/journal/38/38_3_157_raw.pdf
DOI:
Description: Greater mechanical conditioning of forage is known to increase the drying rate, the digestibility of fibre, and the susceptibility to losses. To quantify the degree of conditioning of different mechanical devices, a study was carried out to measure the compressibility of forage subjected to pressures in the range of 3 to 45 kPa. Timothy and alfalfa were treated at eight different degrees of mechanical conditioning over a 4-week period to consider the effect of maturity. The more intensively forage was conditioned, the more easily it compressed. The wet density varied between 61 and 903 kg/m3 , increasing almost linearly with the degree of mechanical conditioning. An intermediate pressure of 6.5 kPa in a 200 mm diameter cylinder provided the highest and most regular slope to distinguish conditioning treatments. The method is rapid, can be used in situ, and provides an index or ratio of densities when compared to a non-conditioned control. A standard procedure is proposed so researchers from various areas can report the relative conditioning degree with some consistency.
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Citation: P. Savoie. M. Roberge and D. Tremblay 1996. QUANTIFICATION OF MECHANICAL FORAGE CONDITIONING BY COMPRESSIBILITY. Canadian Agricultural Engineering 38(3):157-165.
Volume: 38
Issue: 3
Pages -
Contributor:
Date: 1996
Technical field:
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Type: Text.Article
Format: PDF
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Coverage: Canada
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
Notes:
Other files:
DOI:
Description: Greater mechanical conditioning of forage is known to increase the drying rate, the digestibility of fibre, and the susceptibility to losses. To quantify the degree of conditioning of different mechanical devices, a study was carried out to measure the compressibility of forage subjected to pressures in the range of 3 to 45 kPa. Timothy and alfalfa were treated at eight different degrees of mechanical conditioning over a 4-week period to consider the effect of maturity. The more intensively forage was conditioned, the more easily it compressed. The wet density varied between 61 and 903 kg/m3 , increasing almost linearly with the degree of mechanical conditioning. An intermediate pressure of 6.5 kPa in a 200 mm diameter cylinder provided the highest and most regular slope to distinguish conditioning treatments. The method is rapid, can be used in situ, and provides an index or ratio of densities when compared to a non-conditioned control. A standard procedure is proposed so researchers from various areas can report the relative conditioning degree with some consistency.
Keywords:
Résumé:
Mots-clés:
Citation: P. Savoie. M. Roberge and D. Tremblay 1996. QUANTIFICATION OF MECHANICAL FORAGE CONDITIONING BY COMPRESSIBILITY. Canadian Agricultural Engineering 38(3):157-165.
Volume: 38
Issue: 3
Pages -
Contributor:
Date: 1996
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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