Longitudinal study of humoral immunity to bovine coronavirus, virus shedding, and treatment for bovine respiratory disease in pre-weaned beef calves

Table 3 Subclinical shedding of BCV

Sample Acquisition Time	Number of BCV shedding calves/total evaluated (% positive)
	Herd			Total
	1	2	3
Initial vaccination	0/60 (0)	0/60 (0)	0/60 (0)	0/180 (0)
Preconditioning	2/60 (3.3)	10/60 (16.7)	2/60 (3.3)	14/180 (7.7)
Weaning	0/60 (0)	1/60 (1.7)	0/60 (0)	1/180 (0.6)
Total	2/180 (1.1)	11/180 (6.1)	2/180 (1.1)	15/540 (2.8)

ISSN: 1746-6148