[First documentation of a neospora-induced "abortion storm" (exogenous transplacental transmission of neospora caninum) in a Swiss dairy farm].

Sager, Heinz; Hüssy, Daniela; Kuffer, A; Schreve, F; Gottstein, Bruno (2005). [First documentation of a neospora-induced "abortion storm" (exogenous transplacental transmission of neospora caninum) in a Swiss dairy farm]. Schweizer Archiv für Tierheilkunde, 147(3), pp. 113-120. Huber 10.1024/0036-7281.147.3.113

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In a Swiss dairy farm (canton of Geneva) consisting of 73 animals 8 abortions were observed within 2 weeks. Serological and molecular biological analyses (PCR) on aborting dams, and abortion materials, respectively, revealed that the protozoan parasite Neospora caninum was the causative agent. Besides the 8 aborting animals, 12 other non-aborting heifers were found to be serologically positive for this parasite. All positive sera were further tested in an avidity-ELISA to elucidate the recency of infection. All seropositive animals but one showed low avidities at the time the abortion storm started. This indicated at a recent N. caninum-infection within the herd. Thus, the animals most probably were exposed to N. caninum-oocysts (e.g. by dog feces-contaminated forage) and the resulting abortion storm was due to an exogenous (formerly known as "horizontal") parasite transmission into a naive herd. This is the first documented record of such an event in Switzerland.

Item Type:

Journal Article (Original Article)

Division/Institute:

05 Veterinary Medicine > Department of Infectious Diseases and Pathobiology (DIP) > Institute of Veterinary Bacteriology
05 Veterinary Medicine > Department of Infectious Diseases and Pathobiology (DIP) > Institute of Parasitology

UniBE Contributor:

Sager, Heinz; Hüssy, Daniela and Gottstein, Bruno

Subjects:

600 Technology > 630 Agriculture

ISSN:

0036-7281

Publisher:

Huber

Language:

French

Submitter:

Bruno Gottstein

Date Deposited:

23 Jul 2018 10:46

Last Modified:

23 Jul 2018 15:20

Publisher DOI:

10.1024/0036-7281.147.3.113

PubMed ID:

15801622

BORIS DOI:

10.7892/boris.118866

URI:

https://boris.unibe.ch/id/eprint/118866

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