Table 1. Prevalence of calves infected with a single causative agent (n = 95) among diarrheal Korean native calves (n = 164).
| Causative agents | No. of calves | Prevalence (%) | |
|---|---|---|---|
| Virus | |||
| Rotavirus | 28 | 17.1 | |
| Coronavirus | 5 | 3.0 | |
| Parvovirus | 5 | 3.0 | |
| BVDV | 3 | 1.8 | |
| Norovirus | 3 | 1.8 | |
| Torovirus | 3 | 1.8 | |
| Kobuvirus | 1 | 0.6 | |
| Subtotal | 48 | 29.1 | |
| Bacteria | |||
| E. coli | 13 | 7.9 | |
| C. difficile | 4 | 2.4 | |
| Salmonella spp. | 1 | 0.6 | |
| Subtotal | 18 | 10.9 | |
| Protozoa | |||
| Eimeria spp. | 20 | 12.2 | |
| Giardia spp. | 8 | 4.9 | |
| Cryptosporidium spp. | 1 | 0.6 | |
| Subtotal | 29 | 17.7 | |
| Total | 95 | 57.9 | |
BVDV, bovine viral diarrhea virus.