[Health and environmental risks after the use of anti-infective agents and antiparasitic agents in domestic animal husbandry--avoidance strategies and ways out].

At the beginning, the field of controversy is described, in which the usage of antimicrobials and antiparasitics are discussed, and the areas of their every day application are analysed. Based on the evaluation of the individual kinds of application of antimicrobial substances, conclusions for their usage are drawn, with their total avoidance not being the ultimate goal, but the scientifically founded use of these valuable substances according the the principle: 1. tailored to the correct diagnosis and 2. as little as possible, but always the amount that is needed.