[Modern methods of poultry-vaccination--a report about the United States].
D000818:Animals; D002645:Chickens; D008722:Methods; D011201:Poultry Diseases / Q000517:prevention & control*; D014481:United States; D014611:Vaccination; D014777:Virus Diseases / Q000662:veterinary*
Moderne Impfmethoden beim Geflügel--ein Erfahrungsbericht aus Amerika.