Table 1: Summary of serological surveys carried out in North Africa 1992-1999

 

Year

1992

1993

1994

1994

1995

1995

1996

1999

Country

Morocco

Morocco

Morocco

Morocco

Morocco

Tunisia

Morocco

Morocco

Objective

Prevalence and geographical distribution of seropositive flocks

Vaccine study in sheep (in collaboration with ID-DLO, Lelystad

Prevalence of seropositive flocks in areas previously positive or ‘at risk’

Vaccine study in cattle

Prevalence of seropositive flocks in areas previously positive or ‘at risk’

Efficiency of vaccination campaign in sheep

Follow up survey in those villages where positive sera were detected in 1995

Prevalence and geographical distribution of seropositive flocks

Population

studied

small ruminants

sheep

small ruminants

cattle

small ruminants

sheep

small ruminants

small ruminants

No. sera examined

10,055 sera from 1,135 flocks in 40 provinces

105 sera from 6 regions

1,925 sera from 183 villages in 15 provinces

305 sera from one village in each of 14 provinces

4,423 sera from 316 villages in 15 provinces

6,722 sera from 65 state-owned farms

3,048 sera from 18 villages in 8 provinces

10,045 sera from 43 provinces