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. 2020 Jan 16;82(3):314–319. doi: 10.1292/jvms.19-0235

Table 2. Virus detection pattern at farm A.

Calf No. Age by weeks

1 2 3 4 5 6 7 8 9 10 11 12
1 - R - C - - E E E E E -
C

2 R - - C - E E E E E - -
C C C C

3 - - C - - C C E E E - -
C C C

4 - - - - R - C E E E E -
C C

5 R - - - - - - - - C - -

6 - - - - - - C E C E E -
C

7 - - - - - - C C C C E E
C

8 - - - - - - C C - E - -
C

9 - - - - - - - E - E E -

10 - - - - - C C C E E - -

11 - R - - C C - C E E - -
T

12 - Died

13 - - R C - E E E E E - -
C

14 - - - - - - - E E E E -
C

15 - - - - - - - E E E E T
C

16 - - - Died

17 - R - - - C E E - E - -
C

18 - - R - - - - E - C - -
C

19 - - - - - - E E - - - -
C

20 - - - C - - E E - - - -
C C

At farm A, located in Ibaraki Prefecture, 20 calves were numbered and sampled every 5 to 10 days for up to 12 weeks (total 220 samples). Calves No. 12 and 16 died at the ages of two and four weeks, respectively. R, group A rotavirus; E, bovine enterovirus; C, bovine coronavirus; T, bovine torovirus; “-”, not detected.