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Serologische Untersuchungen über das Vorkommen der bovinen Ehrlichiose in den Kantonen Zürich, Schaffhausen, Thurgau, St. Gallen und Obwalden


Pusterla, N; Wolfensberger, C; Lutz, H; Braun, Ueli (1997). Serologische Untersuchungen über das Vorkommen der bovinen Ehrlichiose in den Kantonen Zürich, Schaffhausen, Thurgau, St. Gallen und Obwalden. Schweizer Archiv für Tierheilkunde, 139(12):543-549.

Abstract

The purpose of this study was to investigate the geographical distribution of bovine ehrlichiosis in the Cantons Zürich, Schaffhausen, Thurgau, St. Gallen and Obwalden. To this end, an indirect immunofluorescence assay was established. The diagnostic sensitivity and specificity was estimated to be close to 100% based on the results obtained with several reference sera from the US National Veterinary Services Laboratories and the seroconversion panels of 20 heifers and cows. Blood samples from 2557 healthy cattle were tested for antibody response against Ehrlichia phagocytophila. Ninety-three animals (3.6%) were seropositive with titers ranging from 1:20 to 1:320. Most of the positive animals were found in the area north of lake Zürich spanning to the german border, in the area between Walensee and Bad Ragaz, the Rhine valley and Klein Melchtal. All seropositive animals had grazed on pastures or alps with a favourable biotope for the tick Ixodes ricinus.

Abstract

The purpose of this study was to investigate the geographical distribution of bovine ehrlichiosis in the Cantons Zürich, Schaffhausen, Thurgau, St. Gallen and Obwalden. To this end, an indirect immunofluorescence assay was established. The diagnostic sensitivity and specificity was estimated to be close to 100% based on the results obtained with several reference sera from the US National Veterinary Services Laboratories and the seroconversion panels of 20 heifers and cows. Blood samples from 2557 healthy cattle were tested for antibody response against Ehrlichia phagocytophila. Ninety-three animals (3.6%) were seropositive with titers ranging from 1:20 to 1:320. Most of the positive animals were found in the area north of lake Zürich spanning to the german border, in the area between Walensee and Bad Ragaz, the Rhine valley and Klein Melchtal. All seropositive animals had grazed on pastures or alps with a favourable biotope for the tick Ixodes ricinus.

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Other titles:Serologic studies on the occurrence of bovine ehrlichiosis in the cantons Zürich, Schaffhausen, Thurgau, St. Gallen and Obwalden
Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Veterinary Clinic > Department of Farm Animals
Dewey Decimal Classification:570 Life sciences; biology
630 Agriculture
Language:German
Date:1997
Deposited On:05 Feb 2019 16:32
Last Modified:05 Feb 2019 16:34
Publisher:Gesellschaft Schweizer Tierärztinnen und Tierärzte
ISSN:0036-7281
OA Status:Closed
Free access at:Publisher DOI. An embargo period may apply.
PubMed ID:9451917

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