[Precautions and results in the creation of a serologically leukosis-free territory].
Polster
R
R
Erler
S
S
D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D005859:Germany, East; D007938:Leukemia / Q000517:prevention & control / Q000662:veterinary*; D001909:Leukemia Virus, Bovine / Q000276:immunology
D000914:Antibodies, Viral
Massnahmen und Ergebnisse bei der Schaffung eines serologisch leukosefreien Territoriums.