Sero-epidemiological analysis of vertical transmission relative risk of Borna disease virus infection in dairy herds
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- ANDO Tatsuya
- Ishikari Agricultural Mutual Relief Association, Hokkaido 067–0055, Japan
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- TAKINO Tadashi
- School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Hokkaido 069–8501, Japan Scientific Feed Laboratory co., Ltd. 3–3 Miyahara-cho, Takasaki-city, Gunma 370–1202, Japan
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- MAKITA Kohei
- School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Hokkaido 069–8501, Japan
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- TAJIMA Motoshi
- School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Hokkaido 069–8501, Japan
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- KOIWA Masateru
- School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Hokkaido 069–8501, Japan
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- HAGIWARA Katsuro
- School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Hokkaido 069–8501, Japan
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Description
<p>Borna disease virus (BDV) is a virus that causes a neurological disease in domestic animals, including a variety of animal species in Japan. Few studies have examined the mode of transmission of this virus in cattle, and the exact mechanisms underlying the transmission of the virus need to be elucidated. This study aimed to examine the contribution of vertical transmission of the virus, which occurs when the virus is transmitted from the mother to offspring during gestation or birth. We used an epidemiological approach. The relative risk (RR) was calculated for cattle born to BDV sero-positive cows from farms with a higher within-herd prevalence of BDV (56.8%). We tested the sera of 1,122 dairy cattle from 24 dairy herds in Hokkaido Prefecture, Japan, for BDV infection using the ELISA and western blotting method. The overall level of BDV sero-prevalence was 22.1%. Seroprevalence was significantly higher in closed-breeding herds that do not have buying in cows (39.7%) than in farms that restock cattle by buying in cows (4.4%, P<0.01). The overall RR of BDV vertical transmission from infected mothers to their daughters was 1.86 (95% confidence interval (CI): 1.54–2.56). Our results show that vertical transmission contributes significantly to BDV transmission in the farms tested in this study.</p>
Journal
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- Journal of Veterinary Medical Science
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Journal of Veterinary Medical Science 78 (11), 1669-1672, 2016
JAPANESE SOCIETY OF VETERINARY SCIENCE
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Details 詳細情報について
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- CRID
- 1390282681406006528
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- NII Article ID
- 130005170617
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- NII Book ID
- AA10796138
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- ISSN
- 13477439
- 09167250
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- HANDLE
- 10659/00005375
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- NDL BIB ID
- 027762711
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- PubMed
- 27498995
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- Text Lang
- en
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- Data Source
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- JaLC
- IRDB
- NDL
- Crossref
- PubMed
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed