A weather-based prediction model for the life-cycle of the sheep tick, Ixodes-ricinus L

W.P. Gardiner, G. Gettinby

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The incidence of sheep tick activity depends not only on the climatic conditions within the tick habitat, but also on the rates of fecundity, development, activity, engorgement and mortality of each stage of the life-cycle. Use of existing experimental results on the effect of these factors enables a model of the life-cycle to be formulated for the purpose of predicting the occurrence of tick activity in the field where climatic conditions vary. The components of such a model are described and the predicted results compared with field studies carried out in Ireland. It is hoped that the model presented will show the potential of formulating a system for predicting tick activity. Such a system could be used to enhance the control of tick-transmitted diseases.
Original languageEnglish
Pages (from-to)77-84
Number of pages7
JournalVeterinary Parasitology
Issue number1
Publication statusPublished - Aug 1983


  • sheep tick
  • Ixodes-ricinus L
  • climatic conditions
  • modelling

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