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547. A recording tympanometer for the measurement of intramammary pressure in the cow

Published online by Cambridge University Press:  01 June 2009

D. S. M. Phillips
Affiliation:
Ruakura Animal Research Station, Department of Agriculture, Hamilton, New Zealand

Extract

A manually operated tympanometer pressure recorder of simple construction designed for recording the changes in pressure in the lower cistern of the mammary gland of the cow during let-down and milking is described. The instrument makes possible the measurement of the internal milk pressure without the need for direct access to the milk cistern. The measurements are made with a tympanometer unit which is held firmly against the outside wall of the udder.

Type
Original Articles
Copyright
Copyright © Proprietors of Journal of Dairy Research 1954

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References

REFERENCE

(1)Kleiber, M. (1945). Rev. sci. Instrum. 4, 79.Google Scholar