Document Detail

Monensin carry-over into unmedicated broiler feeds.
MedLine Citation:
PMID:  10435293     Owner:  NLM     Status:  MEDLINE    
European Union Member States are now required to monitor poultry meat for the presence of coccidiostat residues. Among other factors contributing to the production of residue-free food is the ability of animal feed manufacturers to produce medication-free feedstuffs, ensuring the proper observance of withdrawal periods prior to slaughter. Carry-over of medication was investigated in a local poultry feed mill that was using monensin as its principal coccidiostat for broilers. Monensin, at levels in excess of 5% of the therapeutic dose (approximately 110 mg kg-1), was present in 22.5% of 40 withdrawal feeds. Subsequent studies in the mill indicated that most of the contamination occurred during the processing of feeds after the mixing stage. The mill altered its manufacturing process as a result of this study. The consequence of this was that the incidence of monensin withdrawal feeds, at levels greater than 5% of the therapeutic dose, fell from 22.5 to 2.5%. This collaborative study has helped the feed compounder to produce more effective withdrawal feeds, thereby reducing the potential exposure of consumers to unwanted residues of monensin in poultry meat.
D G Kennedy; W G Smyth; S A Hewitt; J D McEvoy
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Analyst     Volume:  123     ISSN:  0003-2654     ISO Abbreviation:  Analyst     Publication Date:  1998 Dec 
Date Detail:
Created Date:  1999-09-09     Completed Date:  1999-09-09     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0372652     Medline TA:  Analyst     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  2529-33     Citation Subset:  IM    
Veterinary Sciences Division, Department of Agriculture for Northern Ireland, Stormont, Belfast, Northern Ireland, UK.
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MeSH Terms
Animal Feed / analysis*
Coccidiostats / analysis*,  chemistry
Drug Residues / analysis*
Food Contamination / prevention & control
Monensin / analysis*,  chemistry
Time Factors
Reg. No./Substance:
0/Coccidiostats; 17090-79-8/Monensin

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