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Experiments on the ventilation of cattle byres

Published online by Cambridge University Press:  27 March 2009

J. D. Findlay
J. D. Findlay
Affiliation:
The Hannah Dairy Research Institute, Kirkhill, Ayr
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Summary

1. The ventilation of two byres, one of large (1248 cu.ft.) and one of small (567 cu.ft.) cubic capacity per cow, was studied. The CO2 concentration in the atmosphere was used as a measure of the rate of air change and the dry katathermometer to determine the cooling power of the atmosphere. Temperatures and relative humidities were recorded and the actual air movements were studied by using smoke trails. The investigations were made under a variety of weather conditions and with a wide range of outlet and inlet areas.

2. It was shown that the atmospheric conditions in the large byre were almost always superior to those in the small byre, and this was undoubtedly due to the greater cubic space per cow in the large byre. Adequate ventilation was, however, readily attained in the small byre provided the outlet area was sufficiently large.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 38 , Issue 4 , October 1948 , pp. 411 - 424
Copyright
Copyright © Cambridge University Press 1948

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