Volume 17, Number 6—June 2011
Dispatch
Characterization and Prevalence of a New Porcine Calicivirus in Swine, United States
Qiuhong Wang
, Kelly Scheuer, Zhenwen Zhang, Wondwossen A. Gebreyes, Bayleyegn Z. Molla, Armando E. Hoet, and Linda J. Saif
, Kelly Scheuer, Zhenwen Zhang, Wondwossen A. Gebreyes, Bayleyegn Z. Molla, Armando E. Hoet, and Linda J. Saif
Table 1
Prevalence of St-Valerien–like viruses in finisher swine farms in North Carolina, USA, 2009*
| System code |
Farm code |
Barn treatment |
Sampling month |
No. individual samples |
No. pooled samples |
Barn level, no. positive/total (%) |
Farm level, no. positive/total (%)† |
| BC1 | BH | Water | Aug | 48 | 10 | 4/10 (40.0) | 8/40 (20.0)bc |
| BC1 | BH | BIO | Aug | 48 | 10 | 2/10 (20.0) | |
| BC1 | BH | SYN | Aug | 48 | 10 | 0/10 | |
| BC1 |
BH |
VIR |
Aug |
48 |
10 |
2/10 (20.0) |
|
| BC1 | EW | Water | Jul | 42 | 10 | 0/10 | 1/39 (2.6)c |
| BC1 | EW | BIO | Jul | 39 | 9 | 0/10 | |
| BC1 | EW | SYN | Jul | 47 | 10 | 1/10 (10.0) | |
| BC1 |
EW |
VIR |
Jul |
48 |
10 |
0/10 |
|
| BC1 | WL | Water | May | 47 | 10 | 10/10 (100.0) | 32/40 (80)a |
| BC1 | WL | BIO | May | 47 | 10 | 10/10 (100.0) | |
| BC1 | WL | SYN | May | 46 | 10 | 2/10 (20.0) | |
| BC1 |
WL |
VIR |
May |
48 |
10 |
10/10 (100.0) |
|
| BC2 | DC | Water | Nov | 39 | 9 | 4/9 (44.4) | 13/37 (35.1)b |
| BC2 | DC | BIO | Nov | 45 | 10 | 7/10 (70.0) | |
| BC2 | DC | SYN | Nov | 35 | 8 | 2/8 (25.0) | |
| BC2 |
DC |
VIR |
Nov |
48 |
10 |
0/10 |
|
| BC2 | FF | Water | Oct | 43 | 10 | 1/10 (10.0) | 3/40 (7.5)c |
| BC2 | FF | BIO | Oct | 48 | 10 | 1/10 (10.0) | |
| BC2 | FF | SYN | Oct | 40 | 10 | 0/10 | |
| BC2 |
FF |
VIR |
Oct |
48 |
10 |
1/10 (10.0) |
|
| BC2 | RW | BIO | May | 45 | 10 | 0/10 | 2/30 (6.7)c |
| BC2 | RW | SYN | May | 48 | 10 | 2/10 (20.0) | |
| BC2 |
RW |
VIR |
May |
46 |
10 |
0/10 |
|
| BC3 | GO | Water | Nov | 46 | 10 | 1/10 (10.0) | 8/40 (20)bc |
| BC3 | GO | BIO | Aug | 45 | 10 | 1/10 (10.0) | |
| BC3 | GO | SYN | Nov | 46 | 10 | 4/10 (40.0) | |
| BC3 |
GO |
VIR |
Aug |
46 |
10 |
2/10 (20.0) |
|
| BC3 | TE | Water | Jul | 47 | 10 | 4/10 (40.0) | 12/39 (30.8)b |
| BC3 | TE | BIO | Jul | 38 | 9 | 2/9 (22.2) | |
| BC3 | TE | SYN | Jul | 40 | 10 | 4/10 (40.0) | |
| BC3 |
TE |
VIR |
Jul |
47 |
10 |
2/10 (20.0) |
|
| BC3 | TT | Water | Jul | 42 | 10 | 1/10 (10.0) | 3/39 (7.7)c |
| BC3 | TT | BIO | May | 45 | 10 | 0 /10 | |
| BC3 | TT | SYN | Jul | 38 | 9 | 2/9 (22.2) | |
| BC3 |
TT |
VIR |
May |
46 |
10 |
0/10 |
|
| Total | 1567 | 344 | 82/344 (23.8) |
*BIO, Biosentry (Bisentry, Inc., Stone Mountain, GA, USA); SYN, Synergize (Preserve International, Reno, NV, USA; VIR, VirkonS (Dupont Animal Health Solutions, Sudbury, UK).
†Superscript letters indicate significance, i.e., values between farms labeled with different letters differed significantly, but values between farms labeled with the same letter did not differ significantly. p<0.05 by binomial proportion test.
Page created: August 03, 2011
Page updated: August 03, 2011
Page reviewed: August 03, 2011
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