1. The composition for local and external use for the treatment or prevention of infection with parasites in animals, containing an effective amount of at least one isoxazoline compound of the formula (I) where R = halogen, CF, OCF, CN, n = integer from 0 to 3, preferably 1, 2 or 3, R = CC-haloalkyl, preferably CF or CFCl, T = 5- or 6-membered ring, which is optionally substituted with one or more radicals Y, Y = methyl, halogenmethyl, halogen, CN , NO, NH-C = S, or two adjacent Y radicals together form a chain CH-CH = CH-CH, N-CH = CH-CH, CH-N = CH-CH, CH-CH = N-CH or CH -CH = CH -N, HC = HC-CH, CH-CH = CH, CH = CH-N, N-CH = CH; Q = X-NRR or a 5-membered N-heteroaryl ring, which is optionally substituted with one or more radicals ; X = CH, CH (CH), CH (CN), CO, CS, R = hydrogen, methyl, haloethyl, halogen propyl, halogen butyl, methoxymethyl, methoxyethyl, halogenmethoxymethyl, ethoxymethyl, haloethoxymethyl, propoxymethyl, ethylaminocarbonylmethylmethylmethylmethylmethylmethylmethylmethylmethyl ethyl , N-phenyl-N-methylamino, haloethylaminocarbonylmethyl, haloethylaminocarbonylethyl, tetrahydrofuryl, methylaminocarbonylmethyl, (N, N-di methylamino) -carbonylmethyl, propylaminocarbonylmethyl, cyclopropylaminocarbonylmethyl, propenylaminocarbonylmethyl, halogenethylaminocarbonylcyclopropyl, where Z = hydrogen, halogen, cyano, halogenomethyl (CF); R = hydrogen, ethyl, methoxymethylmethylmethylmethylmethylmethylmethylmethylmethylmethylmethylmethylmethylmethylmethylmethyl , methoxycarbonyl, methoxymethylcarbonyl, aminocarbonyl, ethylaminocarbonylmethyl, ethylaminocarbonylethyl, dimethoxyethyl, propynylaminocarbonylmethyl, haloethylaminocarbonyl1. Состав для местного и наружного применения для лечения или профилактики заражения паразитами у животных, содержащий эффективное количество по меньшей мере одного изоксазолинового соединения формулы (I)где R= галоген, CF, OCF, CN,n = целое число от 0 до 3, предпочтительно, 1, 2 или 3,R= C-C-галогеналкил, предпочтительно, CFили