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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-44733

Caspari, K; Grimm, F; Kühn, N; Caspari, N C; Basso, W (2011). First report of naturally acquired clinical sarcocystosis in a pig breeding stock. Veterinary Parasitology, 177(1-2):175-178.

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Abstract

A two-year-old Large White boar from a pig breeding stock in an indoor farm in Switzerland presented anorexia, reduced general condition and fever. Despite antibiotic and anti-inflammatory treatment, the boar developed severe dyspnoea and cyanosis, and died after 4 days. At necropsy, no gross lesions were observed. Histopathologically, multifocal degeneration and necrosis of myocardial fibers with interstitial edema, severe multifocal non-suppurative myocarditis and hepatitis, and non-suppurative interstitial nephritis were observed. In heart samples, groups of organisms resembling apicomplexan tachyzoites were seen associated with the lesions. A PCR using the primers COC1-COC2 that target a conserved region of the small-subunit rRNA gene of Apicomplexa was performed with DNA from paraffin-embedded tissues. An amplification product of about 350bp was obtained from heart samples. A sequence analysis showed 100% identities with GenBank sequences reported for Sarcocystis miescheriana. The histopathological observations and molecular findings in combination with the clinical signs, and absence of other pathologic agents highly suggested that an acute infection with S. miescheriana was the cause of death in this boar. To our knowledge, this the first report of fatal acute sarcocystosis after natural infection in a pig breeding herd.

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Institute of Parasitology
04 Faculty of Medicine > Institute of Parasitology
DDC:570 Life sciences; biology
610 Medicine & health
600 Technology
Language:English
Date:2011
Deposited On:07 Feb 2011 14:21
Last Modified:19 Dec 2013 13:06
Publisher:Elsevier
ISSN:0304-4017
Publisher DOI:10.1016/j.vetpar.2010.11.019
PubMed ID:21145659
Citations:Web of Science®. Times Cited: 2
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Scopus®. Citation Count: 3

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