From: Evaluation of spray and oral delivery of Newcastle disease I2 vaccine in chicken reared by smallholder farmers in central Ethiopia
No. owned
No. died
No. alive
Survival
Unvaccinated
Total
151
102
49
32.45%
Average/household
12.58
7.75
4.08
Vaccinated group
337
41
296
87.83%
21.06
2.56
18.5