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Table 2 Prevalence of BVDV infection according to age group of calves

From: Identification of a new bovine viral diarrhea virus subtype in the Republic of Korea

Age group (days) No. of examined calves No. of BVDV positive
1−21 51 33(64.7%)
22−42 54 33 (61.1%)
43−84 38 21 (55.3%)
Total 143 87 (60.8%)