Isolation and Characterization of Coronavirus and Rotavirus Associated with Calves in Central Part of Oromia, Ethiopia

Table 2

Frequency distribution of bovine coronavirus (BCoR) and bovine rotavirus (BRoV).

Factors	Level	BCoV			BRoV
		N	−ve	+ve	−ve	+ve
Location	Bishoftu	60	60	0 (0%)	58	2 (3.3%)
	Addis Ababa	123	122	1 (0.8%)	120	3 (2.4%)
	Sebeta	25	25	0 (0%)	24	1 (4%)
	Holeta	37	37	0 (0%)	37	0 (0%)
Clinical status	Diarrheic	83	82	1 (1.2%)	77	6 (7.2%)
	Nondiarrheic	162	162	0 (0%)	162	0 (0%)
Breed	Cross	24	24	0 (0%)	23	1 (4.2%)
	Local	72	72	0 (0%)	70	2 (2.8%)
	Exotic	149	148	1 (0.7%)	146	3 (2%)
Sex	Male	81	80	1 (1.2%)	76	5 (6.2%)
	Female	164	164	0 (0%)	163	1 (0.6)
Age	1^st week	100	100	0 (0%)	96	4 (4%)
	2^nd week	106	105	1 (0.9%)	104	2 (1.9%)
	3^rd week	18	18	0 (0%)	18	0 (0%)
	4^th week	21	21	0 (0%)	21	0 (0%)
Floor of the calves’ area	Concrete	181	180	1 (0.6%)	177	4 (2.2%)
	Brick	58	58	0 (0%)	56	2 (3.4%)
	Muddy	6	6	0 (0%)	6	0 (0%)
First-time colostrum feeding after birth	Within 30 minutes	132	132	0 (0%)	131	1 (0.8%)
	Within 2 hours	103	103	1 (1%)	98	5 (4.9%)
	Within 2–6 hours	10	10	0 (0%)	10	0 (0%)
Separation of calves from dam	Immediately after birth	29	29	0 (0%)	27	2 (6.9%)
	<24 hours	71	71	0 (0%)	71	0 (0%)
	>24 hours	145	144	1 (0.7%)	141	4 (2.8%)
Total		245	244	1 (0.4%)	239	6 (2.4%)

BCoV, bovine coronavirus; BRoV, bovine rotavirus; N, number; −ve, negative; +ve, positive; (%) represents the percentage of the total number of cases; indicates the total of each parameter.