Document Detail

Comparison of the effects of Altozar and DDT on females of Ixodes persulcatus Sch. during and after feeding.
MedLine Citation:
PMID:  3870958     Owner:  NLM     Status:  MEDLINE    
Ixodes persulcatus females were treated with Altozar and DDT at one of six consecutive time-points during the period beginning with attachment and ending with the commencement of oviposition. The moment of tick attachment (point 1) appeared to be the most sensitive time for the action of Altozar; a delay of detachment of some of the engorged females was observed, as well as a decrease in their mean weight and the non-detachment of a considerable number of the females over a long period. Similar effects were observed when Altozar was applied on the first and third days after attachment (points 2 and 3), although in the first case they were less pronounced. Altozar treatments on the fifth day of feeding, shortly before oviposition, and especially immediately after detachment (points 4, 5 and 6, respectively) mainly resulted in non-viability of the eggs. DDT was ineffective when it was applied at point 1. DDT treatments of ticks at points 3 and 5 were highly effective; this was expressed by a reduction in weight of the engorged females and a suppression of their fecundity at point 3, and death of all the larvae at different times after hatching at point 5. Many larvae also perished when the ticks were treated with DDT at point 6. Ticks were quite tolerant to DDT action when they were treated at points 2 and 4. The action of both compounds ultimately resulted in the inhibition of tick reproduction, but the rate and method depended on the compound applied as well as on the time of treatment. Altozar effects after treatment at points 1-3 may be considered to be hormonal.
I D Joffe; I V Uspenskiy
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Experimental & applied acarology     Volume:  1     ISSN:  0168-8162     ISO Abbreviation:  Exp. Appl. Acarol.     Publication Date:  1985 Jun 
Date Detail:
Created Date:  1988-07-26     Completed Date:  1988-07-26     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8507436     Medline TA:  Exp Appl Acarol     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  153-63     Citation Subset:  IM    
Prospect Vernadskogo, Moscow, U.S.S.R.
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MeSH Terms
Fatty Acids, Unsaturated*
Fertility / drug effects
Juvenile Hormones*
Oviposition / drug effects
Reg. No./Substance:
0/Fatty Acids, Unsaturated; 0/Juvenile Hormones; 41096-46-2/ethyl-3,7,11-trimethyl-2,4-dodecadienoate; 50-29-3/DDT

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

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