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Malignant catarrhal fever in a cow

Online communication in Diagnostic exercise

August 15th, 2023

Rebollada A. and Uzal FA.

Clinical history: A 6-year-old Angus cross cow euthanized due to being down and seizuring for 12 hours.
Gross findings: the carcass was in poor nutritional condition, with no fat reserves, mild but generalized muscle atrophy and serous atrophy of fat. The four chambers of the heart were moderately dilated. The lungs were edematous and congested. Both corneas were opaque and had whitish/blueish discoloration. A formalinfixed cut section of the eye is showing.


Universidad ComplutenseServicio de Patología y Veterinaria Forense (SAP). Centro de Vigilancia Sanitaria Veterinaria (VISAVET). Universidad Complutense (UCM).

Universidad ComplutenseDepartamento de Medicina y Cirugía Animal. Facultad de Veterinaria. Universidad Complutense (UCM).

University of California-DavisCalifornia Animal Health and Food Safety Laboratory System (CAHFS). University of California-Davis (UCDAVIS).

Malignant catarrhal fever in a cow

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Diagnostic exercise

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January 1st - December 31st, 2023

TITLE: Malignant catarrhal fever in a cow

TYPE: Online communication

AUTHORS: Rebollada A. and Uzal FA.

DATE: August 15th, 2023


Rebollada A. and Uzal FA. Malignant catarrhal fever in a cow. Diagnostic exercise, Davis-Thompson Foundation, August 15th, 2023. (Online communication)