Effervescent compresses fallen to the animals on treatment, the method of manufacturing and method of processing of an aqueous solution

摘要

The invention relates to a water-soluble effervescent tablet which can be administered to an animal, containing a colorant which generates a visible marking on the animal after administration; and a dechlorination agent. The invention also relates to a method for treating an aqueous veterinary composition for simple tracing of animals being treated. Said method comprises the solubilisation of said effervescent tablet in a chlorinated aqueous composition containing at least one active agent which is sensitive to the action of chlorine.