Prevalence and Risk Factors of Lungworm Infection in Small Ruminants in Selected Districts of Wolaita Zone, Southern Ethiopia

Table 2

Prevalence of lungworm infection and associated risk factors in the study areas.

Risk factors	No. of examined	No. of positive	Prevalence	95% CI
Species
Sheep	443	192	43.34%	38.2–47.4
Goat	299	79	26.42%	21.4–29.8
Age
Adult	464	166	35.47%	29.8–39.4
Young	278	105	37.76%	33.8–40.4
Sex
Male	274	90	32.84%	28.7–34.9
Female	468	181	38.67%	33.8–42.4
Body condition score
Good	172	52	30.23%	27.3–33.7
Medium	315	118	37.46%	33.8–42.4
Poor	255	101	39.60%	36.8–41.4
Agroecological environment
Highland (Sodo Zuria)	238	108	45.37%	43.8–48.4
Midland (Damot Gale)	226	96	42.47%	41.2–44.6
Lowland (Humbo)	278	67	24.47%	22.5–27.4
Management system
Semi-intensive system	236	67	28.38%	21.4–29.8
Extensive system	506	204	40.31%	38.8–42.3
Season
Wet season	302	131	43.37%	40.4–46.7
Dry season	440	140	31.81%	28.4–4.2
Total	742	271	36.52%	33.4–39.5

CI: confidence interval.