Aspects of Analytical Quality Assurance (AQA) related to on-farm testing of milk components in DHI-schemes

C. Baumgartner; H. van den Bijgaart; E. Brenne; O. Leray; U. Paggi; G. Psathas; J. Rhoads; D. Johnston

Aspects of Analytical Quality Assurance (AQA) related to on-farm testing of milk components in DHI-schemes

In: Performance recording of animals - State of the art, 2002

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C. Baumgartner

C. Baumgartner ¹Milchprüfring Bayern e.V., Herzog-Heinrich-Strasse 5, 80049 Munchen, Germany

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H. van den Bijgaart

H. van den Bijgaart ²Netherlands Milk Control Station, P.O. Box 119, NL 7200 AC Zutphen, The Netherlands

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E. Brenne

E. Brenne ³Mjøsvn. 5, 2380 Brumunddal, Norway

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O. Leray

O. Leray ⁴CECALAIT, INRA-SRTAL, BP 129, F-39802 POLIGNY Cédex, France

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U. Paggi

U. Paggi ⁵Laboratorio Standard Latte, Via dell’Industria, 24, 00057 Maccarese, (Rome), Italy

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G. Psathas

G. Psathas ⁶Cyprus milk industry organisation, Central testing laboratory, Litous 1, Strovolos, P.O. Box 2418, Nicosia, Cyprus

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J. Rhoads

J. Rhoads ⁷Eastern Laboratory Services, 150 Springside Drive, Fairlawn, Ohio 44333, USA

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D. Johnston

D. Johnston ⁸Livestock Improvement Corporation, Private Bag 3016 Hamilton, New Zealand

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Type:: Chapter

Pages:: 351–356

DOI:: https://doi.org/10.3920/9789086865116_055

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On-farm testing of raw milk is expected to become of increasing importance in DHI-schemes in the future.

Two scenarios of on-farm testing are identified. Conventional sampling and testing with on-farm milk analysers is compared to new in-line sensor scenarios. Both concepts provide some striking advantages when compared to traditional schemes, but open up new fields of concern about the quality of data. These must be thoroughly explored if data are to be used in DHI schemes.

Especially on-line measurement of various parameters with automated sensors brings most interesting challenges for lowering the costs of generating data for DHI purposes and for speeding up the availability of data for herd management decisions.

Of course the general principles of Analytical Quality Assurance (AQA) have to be fulfilled. In general, there should be a defined testing procedure and harmonized protocol when evaluating new methods to be used in DHI schemes. Key issues to be covered by this protocol are listed. Some more detailed thoughts about the evaluation of new analytical devices and the analytical quality control are mentioned. Obviously there is a need for the preparation and supply of suitable reference materials for on-farm use. With such materials the calibration and control of on-farm devices is feasible.

Education of the personnel handling the analytical systems is another crucial factor for the successful use of on-farm testing schemes.

MTL WG of ICAR offers expertise and assistance to all interested groups to make the most of the opportunities lying ahead in the field of on-farm testing, thereby avoiding loss of analytical quality.

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Performance recording of animals - State of the art, 2002

Proceedings of the 33rd Biennial Session of ICAR, Interlaken, Switzerland

Series: EAAP Scientific Series, Volume: 107

Cover Performance recording of animals - State of the art, 2002

E-Book ISBN:: 9789086865116

Publisher:: Wageningen Academic

Print Publication Date:: 10 Oct 2003

Subjects
- Life Sciences
  - General
  - Animal & Veterinary

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Aspects of Analytical Quality Assurance (AQA) related to on-farm testing of milk components in DHI-schemes

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Performance recording of animals - State of the art, 2002

Proceedings of the 33rd Biennial Session of ICAR, Interlaken, Switzerland

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