Prevalence of Bovine Rotavirus and Coronavirus in Neonatal Calves in Dairy Farms of Addis Ababa, Ethiopia: Preliminary Study

Table 2

Association of herd risk factors with rotavirus prevalence ().

Risk factors	No. of herds examined	No. of positive herds	Prevalence (95% CI)		value
Herd size
Small scale	34	3	8.8 (1.85, 23.67)	2.14	0.343
Medium scale	18	0	0.0 (0.0, 0.0)
Large scale	5	0	0.0 (0.0, 0.0)
Diarrhea
Yes	18	3	16.7 (3.58, 41.42)	6.86	0.009
No	39	0	0.0 (0.0, 0.0)
Mortality
Yes	28	3	10.7 (2.23, 28.22)	3.28	0.07
No	29	0	0.0 (0.0, 0.0)
Colostrum feeding
Bucket	49	2	4.1 (0.50, 13.98)	0.98	0.323
Suckling	8	1	12.5 (0.31, 52.65)
Colostrum timing
<1 hr	29	0	0.0 (0.0, 0.0)	6.8	0.033
1-2 hr	19	1	5.3 (0.13, 26.03)
>2 hr	9	2	22.2 (2.81, 60.00)
Bedding
Yes	40	3	7.5 (1.57, 20.38)	1.35	0.246
No	17	0	0.0 (0.0, 0.0)
Colostrum amount
<1 L	24	2	8.3 (1.03, 27.00)	0.89	0.64
1-2 L	28	1	3.6 (0.0, 18.35)
>2 L	5	0	0.0 (0.0, 0.0)
Calf pen
Individual	25	1	4 (0.10, 20.35)	0.14	0.71
Group	32	2	6.2 (0.76, 20.81)

Significant at .