sign with the inscription "achtung afrikanische schweinepest" (attention african swine fever)

afrikanische schweinepest veterinarian inscription information agriculture quarantine veterinary restricted prevention protection attention infection contagion husbandry epizootic isolation epidemic domestic pandemic pathogen medicine achtung african germany disease farming measure warning killing barrier hygiene safety danger closed animal father swine fever fence label virus signs sign farm info risk pest wild zone area boar pork pet pig