Document Detail


Residual activity of microencapsulated permethrin against stable flies on lactating dairy cows.
MedLine Citation:
PMID:  1768927     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Emulsifiable concentrate and microencapsulated formulations of permethrin were evaluated for residual activity against stable flies on lactating dairy cows. Cows were treated in the field with each formulation and hair was clipped from the leg and shoulder area, and bioassayed at 1, 2, 3, 4, 7 and 14 days after treatment. Significantly more stable flies died when exposed to hair sampled 3, 4 and 7 days after treatment from the shoulder than from the lower leg. Analysis with gas chromatography of hair samples showed no detectable permethrin residues on shoulder or leg hair 72 h after treatment with the emulsifiable concentrate formulation. Microencapsulated permethrin was still detectable on hair sampled from both locations 7 days after treatment. The permethrin concentration on the leg hair was approximately 50% of the shoulder hair concentration after 3 days, with the leg hair residue dropping to 31% of shoulder level after 7 days.
Authors:
J A Meyer; J S Hunter
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Medical and veterinary entomology     Volume:  5     ISSN:  0269-283X     ISO Abbreviation:  Med. Vet. Entomol.     Publication Date:  1991 Jul 
Date Detail:
Created Date:  1992-02-26     Completed Date:  1992-02-26     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8708682     Medline TA:  Med Vet Entomol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  359-62     Citation Subset:  IM    
Affiliation:
Department of Entomology, University of California, Riverside 92521.
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MeSH Terms
Descriptor/Qualifier:
Animals
Cattle
Cattle Diseases / drug therapy*
Drug Compounding
Drug Residues
Ectoparasitic Infestations / drug therapy,  veterinary*
Female
Hair / parasitology
Insecticides* / administration & dosage,  therapeutic use
Lactation
Muscidae*
Permethrin
Pyrethrins* / administration & dosage,  therapeutic use
Chemical
Reg. No./Substance:
0/Insecticides; 0/Pyrethrins; 52645-53-1/Permethrin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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