Extended Genetic Diversity of Bovine Viral Diarrhea Virus and Frequency of Genotypes and Subtypes in Cattle in Italy between 1995 and 2013
Table 2
Sequence similarity (%) of pairwise distances within herds with ≥2 animals/sequences belonging to the same BVDV-1 subtypes.
Sequence similarity (%)
BVDV-1 subtype
Herd identification
Sequences in each herd
Temporal range of collection (months)
Herd production system*
100
1b
RG7
2
2
nd
100
1b
BG23
2
12a
D
100
1b
PD3
2
12a
nd
100
1b
CO2
2
1b
D
100
1b
CN29
2
1b
nd
100
1b
AT3
2
1b
B
100
1b
CN8
2
1
B
100
1b
TO3
2
1b
D
100
1b
TO17
3
13
M
100
1d
CN20
2
1b
B
100
1e
RG2
2
8
nd
100
1e
CR22
2
1b
D
100
1e
AL2
2
1b
M
100
1e
CN24
2
6
D
100
1e
TO8
5
1b
D
100
1e
TO14
8
12
B
100
1e
TO19
7
1b
D
100
1f
CN2
3
14
M
100
1h
NO1
2
1
D
99.4–100
1e
VI7
4
12a
nd
99.4
1b
RG6
2
1b
nd
99.4
1b
TO23
2
3
D
99.4
1d
CN19
2
1b
D
99.4
1f
AT2
2
1b
B
98.8–100
1b
LO2
4
3
D
98.8–100
1f
CN1
7
14
D
98.8
1f
CN5
2
2
D
98.2–100
1b
RG4
4
2
nd
98.2
1b
RM1
2
12a
D
98.2
1b
TR1
2
12a
B
97.1
1b
CR13
2
12a
D
96.5
1b
RM2
2
12a
D
94.7–100
1b
LC1
5
129
D
93.6–100
1e
CN16
3
10
B
93–100
1b
RG3
3
3
nd
90.1
1e
CN17
2
13
D
88.9–100
1e
TO12
7
19
M
D: dairy herd, B: beef herd, M: mixed farm, and nd: not determined.
aData available only for year of sample collection.
bSamples collected on the same day.