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Sarcocystis Infection and Myocardial Pathological Changes in Cattle from South-Eastern Norway

Sarcocystis-infeksjon og patologiske forandringer i myocard hos storfe fra Sør-øst Norge

Acta Veterinaria Scandinavica volume 21, pages 395–401 (1980)Cite this article

Abstract

The incidence of myocardial sarcocystis infection and of myocardial pathological changes was recorded in samples of 79 healthy cattle obtained from an abattoir. The incidence rate of thin-walled cysts of S. cruzi was 81.0 %, while mixed infection with thick-walled cysts of S. hominis and/or S. hirsuta was found in 5.0 %. Focal interstitial myocarditis was found in 31.6 % of the samples. The sarcocystis infection and the interstitial mononuclear cell infiltrates were positively associated (P < 0.05). Intimai proliferations of musculo-elastic or fibro-elastic tissues in the intramural coronary arteries were found in 75.0 % of the cattle older than 3% years of age, and in 45.7 % of the cattle less than 3½ years old. No association of the arterial lesions and the sarcocystis infection was demonstrated.

Sammendrag

Insidensen av sarcocystis-infeksjon og patologiske forandringer i myocard ble undersøkt i et slaktehusmateriale fra i alt 79 friske storfe. Frekvensen av cyster med tynn vegg som er karakteristisk for S. cruzi, ble påvist hos 81,0 %. Blandingsinfeksjon av S. hominis og S. hirsuta som begge har tykk cystevegg, ble funnet hos 5,0 %. Fokal interstitiell myocarditt ble påvist i 31,6 % av prøvene. Sarcocystis-infeksjonen og forekomsten av interstitiell myocarditt var positivt assosiert.

I koronar-arteriene ble det påvist intimafortykkelser som følge av proliferasjon av glatt muskulatur, bindevev og elastiske fibriller. Hos storfe eldre enn 3% år ble det funnet karforandringer hos 75,0 %, og hos storfe yngre enn 3½ år hos 45,7 %. Det syntes ikke å vaere sammenheng mellom sarcocystis-infeksjonen og forekomsten av karforandringer.

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Authors and Affiliations

  1. National Veterinary Institute, Oslo, and the Department of Pathology, Veterinary College of Norway, P.O. Box 8156, Dep, Oslo 1, Oslo, Norway

    Bjørn Bratberg & Thor Landsverk

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  1. Bjørn Bratberg
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  2. Thor Landsverk
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Bratberg, B., Landsverk, T. Sarcocystis Infection and Myocardial Pathological Changes in Cattle from South-Eastern Norway. Acta Vet Scand 21, 395–401 (1980). https://doi.org/10.1186/BF03546872

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Acta Veterinaria Scandinavica

ISSN: 1751-0147