[Protection of agricultural areas against increasing contamination with permanent forms of animal parasites].
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D004782:Environmental Health; D004787:Environmental Pollution; D005860:Germany, West; D010272:Parasitic Diseases / Q000517:prevention & control; D010273:Parasitic Diseases, Animal; D014730:Veterinary Medicine
Schutz landwirtschaftlicher Gebiete gegen die zunchmende Verschmutzung mit Dauerformen tierischer Parasiten.