Liquid composition, a method of manufacturing a liquid composition, as well as mammals and birds ectoparasite-controlling agent

The liquid compositions, the solvent has a (a) free of nitrogen atoms in the molecule, carbonyl group or sulfonyl group: 21-70 parts by weight, (b) non-cyclic alcohol, an alkylene glycol, polyalkylene glycol, a triol, at least one member selected from the group consisting of glycol monoacetate and glycol monoalkyl ether: from 30 to 78.9 parts by weight, (c) physiologically active ingredient: 0.001 parts by weight, (d) water: 0.001 to 49 containing parts.