Questione giuridica chiave
Whether the precautionary ban on introducing fish into the fish farm was admissible and constitutional
Decisione estratta
The ban was lawful and did not violate constitutional rights.
Motivazione estratta
The dispute concerned only the precautionary measure. Wild animal breeding for fishing is subject to a permit under Art. 90 TSchV; other permits do not replace it, no transitional periods apply, and the company admittedly lacked the required permit when the decision was issued.