PYRIDONE-CARBOXYLIC ACID DERIVATIVES USEFUL AS VETERINARY MEDICINES

摘要

PYRIDONE-CARBOXYLIC ACID DERIVATIVES USEFUL AS VETERINARY MEDICINES A veterinary medicinal composition comprising as an active ingredient a pyridone-carboxylic acid compound of the formula: , in a free or salt form, which is useful for treatment or prevention of infectious diseases caused by infectious microorganisms.