ABD ELRAOUF , YAZEED; HAMED ,MOHAMED ELFATIH; ALI ,BABIKER ELHAJ
(Sudan University of Science and Technology, 2003)
After 45 passages in bovine kidney cell (BKC) culture and clonal selection , a Sudanese isolate of "Neethling" type virus, designated "Massalamia" , theough found to be capable of protecting zebu cattle against virulent ...