Molecular Detection and Genetic Characterization of Bovine Kobuvirus (BKV) in Diarrhoeic Calves in a Central Italy Herd

Table 2

Prevalence of viruses in clinical samples of diarrhoeic calves.

Virus	Ages of calves with clinical signs (days)	Clinical signs	Real-time PCR
			Nasal swabs	Rectal swabs
BKV	3–20	61/66 (92.42%)^a,b,d,e,f	16/66 (24.24%)	21/66 (31.82%)
BCoV	4–10	5/66 (7.57%)^a,b,c,e,f	10/66 (15.15%)	5/66 (7.57%)
BKV + BCoV	3–20	5/66 (7.57%)^a,b,d,e,f	0/66 (0%)	5/66 (7.57%)

BKV, Bovine kobuvirus; BCoV, Bovine coronavirus; ^aSevere diarrhoea; ^bdehydration and anorexia; ^crespiratory symptoms; ^dpoor mobility; ^esensory depression; ^fdeath.