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Rhino-trachéite infectieuse bovine (IBR) dans le canton du Jura: enquête épidémiologique


Blickenstorfer, S; Engels, M; Guerdat, C; Saucy, C; Reist, M; Schwermer, H; Perler, L (2010). Rhino-trachéite infectieuse bovine (IBR) dans le canton du Jura: enquête épidémiologique. Schweizer Archiv für Tierheilkunde, 152(12):555-560.

Abstract

Infectious bovine rhinotracheitis (IBR) in the canton of Jura: An epidemiological outbreak investigation

Following an abortion in a beef herd in the summer
of 2009, three outbreaks of infectious bovine hinotracheitis
(IBR) were diagnosed in the cantons of Jura and Neuchatel. An epidemiological outbreak investigation was conducted with the aims to identify the source of introduction of the bovine herpes virus 1 (BoHV-1) into the affected herds and to prevent further spread of the disease. The attack rates in the three outbreak farms were 0.89, 0.28 and 0, respectively. BoHV-1 could be isolated from nasal swabs of two animals originating from one of the affected farms.
Comparative restriction enzyme analysis revealed slight differences between the isolates of the two animals, but a high similarity to previous BoHV-1 isolates from the canton of Jura, as well as to a French BoHV-1 isolate. This IBR outbreak has shown the importance of reporting and analyzing abortions. The current disease outbreaks recall the main risk factors for the spread of IBR in Switzerland: purchase and movement of bovines and semen of often unknown IBR status.
Keywords: IBR, bovine herpes virus 1 (BoHV-1), animal movements, abortion, cattle, epidemiology

Abstract

Infectious bovine rhinotracheitis (IBR) in the canton of Jura: An epidemiological outbreak investigation

Following an abortion in a beef herd in the summer
of 2009, three outbreaks of infectious bovine hinotracheitis
(IBR) were diagnosed in the cantons of Jura and Neuchatel. An epidemiological outbreak investigation was conducted with the aims to identify the source of introduction of the bovine herpes virus 1 (BoHV-1) into the affected herds and to prevent further spread of the disease. The attack rates in the three outbreak farms were 0.89, 0.28 and 0, respectively. BoHV-1 could be isolated from nasal swabs of two animals originating from one of the affected farms.
Comparative restriction enzyme analysis revealed slight differences between the isolates of the two animals, but a high similarity to previous BoHV-1 isolates from the canton of Jura, as well as to a French BoHV-1 isolate. This IBR outbreak has shown the importance of reporting and analyzing abortions. The current disease outbreaks recall the main risk factors for the spread of IBR in Switzerland: purchase and movement of bovines and semen of often unknown IBR status.
Keywords: IBR, bovine herpes virus 1 (BoHV-1), animal movements, abortion, cattle, epidemiology

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Institute of Virology
Dewey Decimal Classification:570 Life sciences; biology
Language:French
Date:December 2010
Deposited On:02 Feb 2011 10:39
Last Modified:26 Jan 2017 08:47
Publisher:Hans Huber
ISSN:0036-7281
Publisher DOI:https://doi.org/10.1024/0036-7281/a000124

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