Eradication of avian leukosis virus subgroups Jand K in broiler cross chickens by selectionagainst infected birds using multilocus PCR

Alexander M. Borodin, Zhanna V. Emanuilova, Sergei V. Smolov, Olga A. Ogneva, Nina V. Konovalova, Elena V. Terentyeva, Natalia Y. Serova, D. N. Efimov, V.I. Fisinin, Anthony J. Greenberg, Yakov I. Alekseev