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Hysteresis of the dairy cow's teat as affected by vacuum level rates of change
Authors: Gupta, R. And S. Y. Reitsma
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Download file: https://library.csbe-scgab.ca/docs/journal/28/28_2_149_ocr.pdf
Published in: CBE Journal » CBE Journal Volume 28 (1986)
Download RAW file: https://library.csbe-scgab.ca/docs/journal/28/28_2_149_raw.pdf
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Description: Teat end hysteresis, based on teat end expansion and contraction due to the application and release of vacuum, was investigated for three rates of change of vacuum level. These three rates correspond to slow, medium, and fast teat cup liner wall movement. Hysteresis ratio increased significantly (P ^ 0.01) at faster rates. Teat end tissue returned about 35-40% of the energy input to the teat at the slow rate as compared to about 15-20% at the fast rate. Results suggest that rapid changes in vacuum level and fast liner wall movement should be avoided.
Keywords: hysteresis of the dairy cow's teat as affected by vacuum level rates of change
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Citation: Gupta, R. and S. Y. Reitsma 1986. HYSTERESIS OF THE DAIRY COW's TEAT AS AFFECTED BY VACUUM LEVEL RATES OF CHANGE. Canadian Agricultural Engineering 28(2):149-154.
Volume: 28
Issue: 2
Pages 149 - 154
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Date: 1986
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Coverage: Canada
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DOI:
Description: Teat end hysteresis, based on teat end expansion and contraction due to the application and release of vacuum, was investigated for three rates of change of vacuum level. These three rates correspond to slow, medium, and fast teat cup liner wall movement. Hysteresis ratio increased significantly (P ^ 0.01) at faster rates. Teat end tissue returned about 35-40% of the energy input to the teat at the slow rate as compared to about 15-20% at the fast rate. Results suggest that rapid changes in vacuum level and fast liner wall movement should be avoided.
Keywords: hysteresis of the dairy cow's teat as affected by vacuum level rates of change
Résumé:
Mots-clés:
Citation: Gupta, R. and S. Y. Reitsma 1986. HYSTERESIS OF THE DAIRY COW's TEAT AS AFFECTED BY VACUUM LEVEL RATES OF CHANGE. Canadian Agricultural Engineering 28(2):149-154.
Volume: 28
Issue: 2
Pages 149 - 154
Contributor:
Date: 1986
Technical field:
Conference name:
Session name:
Other information:
Type:
Format:
Publication type:
Source:
Relation:
Coverage: Canada
Language 1:
Language 2:
Rights:
Notes:
Other files:
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