The German authorities started official tracing back and revealed as source contaminated fat which was originally destined for technical purposes, but illegally mixed with feed fat in one feed fat producing company in Germany.
By way of precaution, pending the outcome of further dioxin analyses, all feed fat produced at this feed fat company from 11 Nov 2010 onwards was considered as being possibly contaminated.
Further detailed tracing forward led the authorities to about 4800 agricultural holdings being listed as possible customers of the potentially
contaminated compound feed. They are located in 5 of the 16 German Laender, Lower Saxony and North Rhine-Westphalia being mainly concerned.
Consequently all these holdings were immediately blocked as a wide-scale precautionary measure.
Source
: International Society for Infectious Diseases - ProMED-mail promed@promed.isid.harvard.edu
Complete reference
: DIOXIN FEED CONTAMINATION - GERMANY (03): OFFICIAL REPORT 16-JAN-2011 archive page
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