Use of chlorpyrifos for the control of Ixodes ricinus on pasture

Bevan, W.J.; Sykes, G.B.

Veterinary Record 113(15): 341

1983


ISSN/ISBN: 0042-4900
PMID: 6196905
Document Number: 217882
A 0.4-hectare (one acre) plot of rough mountain pasture sprayed at the end of April with chlorpyrifos at the rate of 0.48 kg/hectare had a greatly reduced I. ricinus population, as indicated by sentinel sheep, for at least two seasons.

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