Document Detail

Lead intoxication in cattle: a case report.
MedLine Citation:
PMID:  1493885     Owner:  NLM     Status:  MEDLINE    
During the autumn of 1989 a feed contamination induced a widespread lead intoxication of cattle in the northern provinces of The Netherlands (Groningen and Friesland). Over 300 farms were involved, affecting about 15,500 animals (mostly dairy cattle). For a period of one to four weeks these animals took up a thousand kg of lead. This resulted in lead levels in milk, livers, and kidneys above the regulatory safety limits. Due to the chelating therapy, which was rapidly applied by the local veterinarians, only about 30 animals died of an acute lead intoxication. A joint action of the governmental and private authorities prevented exposure of consumers to lead-contaminated animal products. Based on observations, measurements and literature data, predictions were made of the lead levels to be expected in animal products and the time needed for depletion of these levels. The appropriate animals were ear-tagged to ensure their identification, and the decline in time of the lead levels in milk and offals was conscientiously monitored. In the second week of 1990 the lead concentrations were decreased to levels well below the regulatory limits, and hence the tags were removed. The present paper reports our observations and conclusions, especially regarding treatment, predictions and outcome of this incident.
A J Baars; H van Beek; I J Visser; G Vos; W van Delft; G Fennema; G W Lieben; K Lautenbag; J H Nieuwenhuijs; P A de Lezenne Coulander
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Food additives and contaminants     Volume:  9     ISSN:  0265-203X     ISO Abbreviation:  Food Addit Contam     Publication Date:    1992 Jul-Aug
Date Detail:
Created Date:  1993-03-09     Completed Date:  1993-03-09     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  8500474     Medline TA:  Food Addit Contam     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  357-64     Citation Subset:  IM    
DLO-Central Veterinary Institute, Lelystad, The Netherlands.
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MeSH Terms
Animal Feed / analysis*
Cattle Diseases / diagnosis*,  etiology,  metabolism,  mortality
Food Contamination*
Lead Poisoning / diagnosis,  etiology,  metabolism,  veterinary*
Oryza sativa

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