PDF《African buffalo (Syncerus caffery》

s progress within three identifiable herds since 1991/1992, a further

163 buffaloes from six herds were sampled and screened for BTB. These were made up of three herds north of the Olifants River and three herds, or

96 animals, that were taken randomly from three known herds, which, in 1991/

1992 had high, medium and low BTB prevalence values. In 1993, a sample of

20 warthog and

20 impala were slaughtered and screened for tuberculosis. They came from the MpanamanalNhlanganzwane area, in close vicinity of the buffalo herds which previously had been shown to have the highest BTB preva- lence. Between

1991 and

1994 a total of

606 African el- ephant (Loxodonta africana) were slaughtered dur- ing population reduction exercises. Of these,

400 came from the southern half, a known BTB infected area of the KNP. All of them were scrutinized for possible tuberculos........