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Development and experimental use of measurement technique for instantaneous milk flow rate through the cow's streak canal

Oostra, Huibert Henderikus (1990). Development and experimental use of measurement technique for instantaneous milk flow rate through the cow's streak canal. Technical Report. Uppsala: (NL, NJ) > Dept. of Energy and Technology, Sveriges lantbruksuniversitet. Rapport - Sveriges lantbruksuniversitet, Institutionen för lantbruksteknik ; 136
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Abstract

The equipment described in this paper is being used in an introductory research program at the Department Of Agricultural Engineering, Swedish University of Agricultural Sciences (SLU). A measuring method had to be developed since there was nothing directly available that satisfied our needs. New and better techniques were gradually developed as the research program progressed. An improved equipment design was normally used directly after it had been tested in the laboratory. Two principally dissimilar measurement techniques were used, a Doppler device and a orifice measuring device. The Doppler device is described in sections 5.1, 5.2 and 5.3. Three different versions were developed. Firstly a Doppler device directly attached to the cow’s teat, Secondly a contact-free Doppler device and thirdly a shunted contact-free Doppler device. In sections 5.4, 5.5, 5.6, 5.7 and 5.8 the various versions of the orifice measurement system are described. Three different experimental teat cups are listed in this paper. One was used in the non contact-free measuring system, i.e. the Doppler device was directly attached to the teat. The other two teat cups made it possible to apply a contact-free measuring method. The two latter cups were basically equivalent to one another. A regulation system needed when using contact-free milk flow rate measuring techniques is described in Section 5.2.3. Other equipment not strictly used for measuring milk flow rate has also been developed. These are devices not actually used for milk flow rate measurements but are of the utmost importance for accurate measurements. The description and explanation of the different measuring techniques is preceded by a short review of literature dealing with the physiology of the cow’s teat. Views and research results of various scientists are also listed.

Authors/Creators:Oostra, Huibert Henderikus
Title:Development and experimental use of measurement technique for instantaneous milk flow rate through the cow's streak canal
Series/Journal:Rapport - Sveriges lantbruksuniversitet, Institutionen för lantbruksteknik (0283-0086)
Year of publishing :1990
Number:136
Number of Pages:80
Place of Publication:Uppsala
Publisher:Institutionen för lantbruksteknik Sveriges lantbruksuniversitet
ISBN for printed version:91-576-4158-7
ISSN:0283-0086
Language:English
Publication Type:Report
Full Text Status:Public
Subjects:Obsolete subject words > FORESTRY, AGRICULTURAL SCIENCES and LANDSCAPE PLANNING > Area technology
Obsolete subject words > FORESTRY, AGRICULTURAL SCIENCES and LANDSCAPE PLANNING > Animal production
Keywords:Teat, Doppler, milk flow
URN:NBN:urn:nbn:se:slu:epsilon-8-261
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-8-261
ID Code:3906
Department:(NL, NJ) > Dept. of Energy and Technology
Deposited By: Erica Lövgren
Deposited On:07 Oct 2009 00:00
Metadata Last Modified:02 Dec 2014 10:26

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