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Intrauterine infection with Mycobacterium avium subsp. paratuberculosis in pregnant cattle diagnosed with Johne's disease

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Please use this identifier to cite or link to this item:http://doi.org/10.14943/jjvr.69.1.51

Title: Intrauterine infection with Mycobacterium avium subsp. paratuberculosis in pregnant cattle diagnosed with Johne's disease
Authors: Taniguchi, Yukiko Browse this author
Konnai, Satoru Browse this author →KAKEN DB
Sakakibara, Shinichi Browse this author
Yamamoto, Ayano Browse this author
Okagawa, Tomohiro Browse this author →KAKEN DB
Maekawa, Naoya Browse this author →KAKEN DB
Murata, Shiro Browse this author →KAKEN DB
Ohashi, Kazuhiko Browse this author →KAKEN DB
Keywords: Mycobacterium avium subsp. paratuberulosis
intrauterine infection
vertical transmission
Issue Date: Feb-2021
Publisher: Faculty of Veterinary Medicine, Hokkaido University
Journal Title: Japanese Journal of Veterinary Research
Volume: 69
Issue: 1
Start Page: 51
End Page: 55
Abstract: Johne's disease (JD) is caused by infection with Mycobacterium avium subsp. paratuberulosis (MAP). We confirmed the intrauterine infection of MAP in 22 pregnant cattle diagnosed with JD in Hokkaido, Japan. MAP was isolated from the umbilical cord (3/22: 13.6%) or caruncle (6/22: 27.3%) derived from the pregnant dams. Furthermore, dams with MAP from which MAP was isolated were also found to have a high mount of MAP or detected bacterial load in their feces. Fetuses of the tested dams indicated positive polymerase chain reaction (PCR) results for the MAP gene (17/22:77.3%) in several tissues. MAP was isolated from the PCR-positive sites of dams detected with high levels of bacteria (6/22: 27.3%). These results indicate that MAP infection in pregnant cattle must be prevented as it is important for JD control.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/80620
Appears in Collections:Japanese Journal of Veterinary Research > Volume 69 Number 1

Submitter: 獣医学部図書室

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