History No. of animals Prevalence (%)
Dewormed 288 119 (41.3%)
None Dewormed 96 69 (71.9%)
Total 384 188 9%)
X2=26.9; P= 0.000
Table 7: Prevalence of gastro-intestinal nematodes and emeria in relation with deworming history in cattle of west Arsi zone.