| [serological survey of small ruminants in 4 districts of niger]. | in 1990, a serosurvey on 1,474 small ruminants was conducted in four districts of niger (maradi, zinder, diffa and dosso). the epidemiology and seroprevalence of eight diseases were studied: brucella melitensis and b. ovis brucellosis, chlamydiosis, coxiellosis, contagious caprine pleuropneumonia, type a pasteurellosis, peste des petits ruminants, rift valley fever, crimée-congo haemorragic fever. the main health problem for the development of small ruminants farming, seems to be both pasteurell ... | 1991 | 1843821 |