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CONTROL OF EXTERNAL SHEEP PARASITES WITH S-(-(ETHOXYCARBONYL) BENZYL)-0,0-DIMETHYL PHOSPHORODITHIOATE
CONTROL OF EXTERNAL SHEEP PARASITES WITH S-(-(ETHOXYCARBONYL) BENZYL)-0,0-DIMETHYL PHOSPHORODITHIOATE
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机译:S-(-(乙氧基羰基)苄基)-0,0-二甲基磷酸二硫代磺酸盐对外部绵羊寄生虫的控制
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摘要
The invention concerns a process for treating sheep to prevent or reduce the incidence of infestation by external parasites; such as sheep blowfly, sheep ked and lice, by applying an effective amount of a composition containing as active ingredient, the compound of the formula: IMAGE The process is especially effective in preventing fly-strike in sheep as the compound of formula I combines the properties of long persistence on the fleece and high activity against susceptible and resistant strains of flies of the Lucilia spp. A method of preparing the compound from a halogen substituted aryl-acetic acid ester and a phosphorodithioate salt is disclosed.
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