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

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