Breed No. examined  Positive results (%)
Local 301 131 (43.52%)
Exotic 30 23 (76.66 %)
Cross 53 34 (64.15 %)
Total 384 188 (49%)
X2= 17.67; P= 0.000
Table 5: Rate of infection with different gastro-intestinal nematode and coccidian with breed in west Arsi zone.