FOR 566: Veterinary Medicines in Soils: Basic Research for Risk Analysis

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Veterinary medicines may enter soils along with manure applications. Recently ecologically effective concentrations of antibacterial veterinary medicines have been detected in soil. However, fundamental model ideas for a comprehensive analysis of the resulting risks are lacking. Existing knowledge on the environmental fate of hydrophobic pollutants allows only for limited conclusions on the dynamics of the polar veterinary medicines. Effects of additional C sources and co-solvents on binding, degradation, and transport of veterinary medicines are hardly predictable for complex organic mixtures like manure. Effects of the manure on the environmental toxicity of these substances in soil are, according to our knowledge, not investigated at all.