Testing Shelled Corn for Aflatoxin, Part I: Estimation of Variance Components
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چکیده
منابع مشابه
Testing green coffee for ochratoxin A, part I: estimation of variance components.
The variability associated with testing lots of green coffee beans for ochratoxin A (OTA) was investigated. Twenty-five lots of green coffee were tested for OTA contamination. The total variance associated with testing green coffee was estimated and partitioned into sampling, sample preparation, and analytical variances. All variances increased with an increase in OTA concentration. Using regre...
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ince the mechanical picker-sheller has come into widespread use for harvesting field corn, farmers generally are confronted with the problem of safe storage of highmoisture shelled corn. The moisture content of field-shelled corn is often too high for direct binning, and storing such grain in regular farm bins without first lowering the moisture level is almost certain to result in spoilage. Mo...
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The number of elevator facilities with laboratories to test shelled corn for aflatoxin on site is increasing. The inherent difficulty in accurately determining the true aflatoxin concentration of a lot of corn may have serious implications. Deviations from the true value are of even greater significance at busy locations where a high throughput is desired. This study was instituted to measure (...
متن کاملI A GENERAL APPROACH ro THE ESTIMATION OF VARIANCE COMPONENTS
A general method of estimation of variance components in random-effects models of the nested and/or classification type is considered. If a given parameter is estimable with respect to some particular experimental design (i.e., an unbiased estimate of the parameter may be obtained from the experiment), then the suggested estimator may be readily computed with only the aid of a desk calculator. ...
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The aim of the present study was the estimation of (co) variance components and genetic parameters for body weight of Moghani sheep, using random regression models based on B-Splines functions. The data set included 9165 body weight records from 60 to 360 days of age from 2811 Moghani sheep, collected between 1994 to 2013 from Jafar-Abad Animal Research and Breeding Institute, Ardabil province,...
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ژورنال
عنوان ژورنال: Journal of AOAC INTERNATIONAL
سال: 2000
ISSN: 1060-3271,1944-7922
DOI: 10.1093/jaoac/83.5.1264