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Ultrasonographic findings in two sheep with enzootic calcinosis


Braun, Ueli; Mitchell, Katharyn J; Schramm, S; Nogler, S; Hatt, Jean-Michel; Malbon, A (2016). Ultrasonographic findings in two sheep with enzootic calcinosis. Schweizer Archiv für Tierheilkunde, 158(12):827-832.

Abstract

This report describes 2 sheep with enzootic calcinosis characterized by abnormal cardiovascular and respiratory findings and ascites causing abdominal distension. Both sheep were anorexic and listless and had increased heart and respiratory rates. Auscultation of the heart revealed a gallop rhythm in sheep 1 and a loud systolic heart murmur in sheep 2. The activities of liver enzymes were severely increased in both sheep. Abdominal ultrasonography showed severe ascites and congestion of the liver and caudal vena cava. Echocardiography in sheep 2 showed hyperechoic and markedly thickened mitral and aortic valves with moderate-severe mitral insufficiency and generalized cardiomegaly. Both sheep were euthanized and examined postmortem. In addition to ascites and pleural effusion, the principal lesions were nodular thickening of the heart valves and calcification of the aorta and other arteries. Nutrition of the sheep did not include hay pellets, but the sheep were kept together with alpacas and lamas and had access to the hay pellets of these animals. In addition visitors were allowed to feed the sheep with hay pellets offered by the zoo in a dispenser. The two types of hay pellets had Vit D concentrations of 9’900 IU VitD3/kg and 7’000 IU Vit D2/kg, respectively. The definitive diagnosis was enzootic calcinosis.

Abstract

This report describes 2 sheep with enzootic calcinosis characterized by abnormal cardiovascular and respiratory findings and ascites causing abdominal distension. Both sheep were anorexic and listless and had increased heart and respiratory rates. Auscultation of the heart revealed a gallop rhythm in sheep 1 and a loud systolic heart murmur in sheep 2. The activities of liver enzymes were severely increased in both sheep. Abdominal ultrasonography showed severe ascites and congestion of the liver and caudal vena cava. Echocardiography in sheep 2 showed hyperechoic and markedly thickened mitral and aortic valves with moderate-severe mitral insufficiency and generalized cardiomegaly. Both sheep were euthanized and examined postmortem. In addition to ascites and pleural effusion, the principal lesions were nodular thickening of the heart valves and calcification of the aorta and other arteries. Nutrition of the sheep did not include hay pellets, but the sheep were kept together with alpacas and lamas and had access to the hay pellets of these animals. In addition visitors were allowed to feed the sheep with hay pellets offered by the zoo in a dispenser. The two types of hay pellets had Vit D concentrations of 9’900 IU VitD3/kg and 7’000 IU Vit D2/kg, respectively. The definitive diagnosis was enzootic calcinosis.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Veterinary Clinic > Equine Department
05 Vetsuisse Faculty > Institute of Veterinary Pathology
05 Vetsuisse Faculty > Veterinary Clinic > Department of Farm Animals
05 Vetsuisse Faculty > Veterinary Clinic > Department of Small Animals
Dewey Decimal Classification:570 Life sciences; biology
630 Agriculture
Language:English
Date:2016
Deposited On:27 Dec 2016 07:35
Last Modified:29 Jan 2017 07:05
Publisher:Gesellschaft Schweizer Tierärztinnen und Tierärzte
ISSN:0036-7281
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.17236/sat00098
PubMed ID:27934625

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