| abstract |
ABSTRACT Patent of Invention: "METHOD FOR ADMINISTERING AGENTS TO CONTROL ECTOPARASITES TO THE DOG". The present invention relates to a method for controlling an animal ectoparasite that has excellent control effects. The method for controlling an ectoparasite in dogs comprises oral administration of an ectoparasite control agent and comprises as an active ingredient an isoxazoline compound represented by the formula (I): where X1 represents a halogen atom or C1-C3 haloalkyl, X2 represents a hydrogen atom, a halogen atom or C1-C3 haloalkyl, X3 represents a hydrogen atom or a halogen atom, Q represents, for example, Q1, A1 represents R11-C (= O) -N (R12 ) -N (R13) -, R11-C (= O) -N (R12) -CH2- or R11-C (= O) -N (R12) - and R10 represents a hydrogen atom, a halogen atom or a C1-C3 alkyl group, to a dog in a period of 30 minutes immediately before the start of feeding to 120 minutes after the end of feeding. |