| abstract |
PURPOSE: To obtain a veterinary intracorporeal parasiticide composition that contains a pyrethroid derivative and a benzimidazole or aniline derivative, where necessary, as well as a filler, diluent and other agents which are in general used for veterinary treatment. CONSTITUTION: This veterinary intracorporeal parasiticide composition contains a compound of formula I [R and R<1> are each a 1-4C alkyl or halogen; Z is -CHX-R<2> (X is H or CN; R<2> is a tetrahydrophthalimide, etc.), a compound of a group of formula II or III (R<3> is an allyl, etc.)], or a mixture of their isomers, and a compound of formula IV or V (Y is O, W, NH, CO, SO, etc.) in a quantity of 0.5-50wt.%, and at a ratio of the active component of formula I to the active component of formula IV or V in the range of (1:7) to (1:1). This composition is most preferably provided in the form of inoculative lyotropic liquid-crystal veterinary composition composed of the above-mentioned active component of 100μm or less particle size, surfactants, water or an aqueous solution of nonionic surfactants, solvent, additives, etc. |