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Appraisal of the York Electronics egg quality testing equipment when used by several operators

Published online by Cambridge University Press:  22 November 2017

S. Hoste ,
T. Bedford ,
H. Walker  and
E. A. Butler
S. Hoste
Affiliation:
Department of Agriculture, University of Reading, Earley Gate, Reading RG6 2AT
T. Bedford
Affiliation:
Department of Agriculture, University of Reading, Earley Gate, Reading RG6 2AT
H. Walker
Affiliation:
Department of Agriculture, University of Reading, Earley Gate, Reading RG6 2AT
E. A. Butler
Affiliation:
Department of Agriculture, University of Reading, Earley Gate, Reading RG6 2AT
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Extract

This equipment records egg weight (g) shell colour (% reflectance) shell weight (g) and thick albumen height (measured on an egg broken out onto a flat plane), and through the connection with a dedicated microprocessor derives the Haugh units (a logarithmically transformed measure of albumen height) and shell weight per unit surface area (mg/cm2). Means, standard deviations and coefficients of variation for a batch are transferred to a printer and/or microprocessor.

Experiment 1

Three operators each made three sequential measurements of egg weight and shell colour on 31 eggs, each record being automatically captured by the microprocessor.

Experiment 2

Using the same procedure four operators made two sequential measurements of egg weight, shell colour and albumen height on 30 eggs.

Type
General
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1988 , March 1988 , pp. 78
Copyright
Copyright © The British Society of Animal Production 1988

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