Enzootic calcinosis in sheep exposed to hay contaminated with Solanum glaucophyllum

Enzootic calcinosis (EC), by ingestion of toxic plant Solanum glaucophyllum, is a well-known chronic disease in Argentina affecting cattle under extensive grazing systems. It is characterized by systemic calcification of soft tissues, that can progress to death when severe cardiovascular lesions are...

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Autores principales: Ovelar, M.F., Vilatuña, E., Scioli, M.V., García, Juan Agustin
Formato: Artículo revista
Lenguaje:Español
Publicado: Universidad Nacional del Nordeste 2024
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Acceso en línea:https://revistas.unne.edu.ar/index.php/vet/article/view/7871
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spelling I48-R154-article-78712024-11-01T13:19:27Z Enzootic calcinosis in sheep exposed to hay contaminated with Solanum glaucophyllum Calcinosis enzoótica en ovinos tras consumo de rollo contaminado con Solanum glaucophyllum Ovelar, M.F. Vilatuña, E. Scioli, M.V. García, Juan Agustin Plant intoxication Small ruminants Systemic calcification Wasting disease Calcificación sistémica Enteque seco Pequeños rumiantes Plantas tóxicas Enzootic calcinosis (EC), by ingestion of toxic plant Solanum glaucophyllum, is a well-known chronic disease in Argentina affecting cattle under extensive grazing systems. It is characterized by systemic calcification of soft tissues, that can progress to death when severe cardiovascular lesions are present. We describe an episode of EC in sheep after exposure to hay contaminated with S. glaucophyllum. In a sheep flock of 17 male, 8-10 months old, 2 died spontaneously. Grossly, hydrotorax, lung edema, and aorta artery and myocardial multifocal-coalescing mineralization was observed. Microscopically, systemic mineralization of blood vessels was present in aorta, kidney and heart characterized by basophilic granular deposits in tunica intima and/or tunica media. Myocardial multifocal-coalescing areas of myofiber loss and regeneration, characterized by macrophage and satellite cell infiltration intermingled with fine granular basophilic deposits (mineralization) was evident. Von Kossa stain confirmed mineralization as calcium deposits. Furthermore, sheep outbreaks are sparsely reported, contributing to knowledge of the disease in other species, in addition to cattle, and in an unusual presentation as forage reserves. During hay production, inspection of possible toxic plants, such as S. glaucophyllum, must be carried out. La calcinosis enzoótica (CE), por ingestión de la planta tóxica Solanum glaucophyllum, es una enfermedad crónica bien conocida en Argentina que afecta al ganado bovino en sistemas de pastoreo extensivo. Se caracteriza por una calcificación sistémica de los tejidos blandos, que puede progresar hasta la muerte cuando hay lesiones cardiovasculares graves. Describimos un episodio de CE en ovejas después de la exposición a rollo contaminado con S. glaucophyllum. En un rebaño de 17 ovinos machos, de 8 a 10 meses de edad, 2 murieron de forma espontánea. Macroscópicamente, se observó hidrotórax, edema pulmonar, y mineralización multifocal-coalescente de la arteria aorta y en miocardio. Microscópicamente, había mineralización sistémica de los vasos sanguíneos en aorta, riñón y corazón, caracterizada por depósitos granulares basófilos en la túnica íntima y/o la túnica media. En miocardio se evidenciaron áreas multifocales coalescentes de pérdida de cardiomiocitos con regeneración, caracterizadas por infiltración de macrófagos y células satélite entremezcladas con depósitos basófilos granulares finos (mineralización). La tinción de Von Kossa evidenció los depósitos de calcio en los tejidos afectados. Los episodios de intoxicación por consumo de S. glaucophyllum en ovejas son escasamente reportados, lo que contribuye al conocimiento de la enfermedad en otras especies además del bovino, y en una presentación inusual como reserva de forraje. Durante la producción de rollo se debe realizar una inspección de posibles plantas tóxicas, como S. glaucophyllum. Universidad Nacional del Nordeste 2024-11-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.unne.edu.ar/index.php/vet/article/view/7871 10.30972/vet.3527871 Revista Veterinaria; Vol. 35 Núm. 2 (2024); 105-107 1669-6840 1668-4834 spa https://revistas.unne.edu.ar/index.php/vet/article/view/7871/7393 https://creativecommons.org/licenses/by-nc/4.0
institution Universidad Nacional del Nordeste
institution_str I-48
repository_str R-154
container_title_str Revistas UNNE - Universidad Nacional del Noroeste (UNNE)
language Español
format Artículo revista
topic Plant intoxication
Small ruminants
Systemic calcification
Wasting disease
Calcificación sistémica
Enteque seco
Pequeños rumiantes
Plantas tóxicas
spellingShingle Plant intoxication
Small ruminants
Systemic calcification
Wasting disease
Calcificación sistémica
Enteque seco
Pequeños rumiantes
Plantas tóxicas
Ovelar, M.F.
Vilatuña, E.
Scioli, M.V.
García, Juan Agustin
Enzootic calcinosis in sheep exposed to hay contaminated with Solanum glaucophyllum
topic_facet Plant intoxication
Small ruminants
Systemic calcification
Wasting disease
Calcificación sistémica
Enteque seco
Pequeños rumiantes
Plantas tóxicas
author Ovelar, M.F.
Vilatuña, E.
Scioli, M.V.
García, Juan Agustin
author_facet Ovelar, M.F.
Vilatuña, E.
Scioli, M.V.
García, Juan Agustin
author_sort Ovelar, M.F.
title Enzootic calcinosis in sheep exposed to hay contaminated with Solanum glaucophyllum
title_short Enzootic calcinosis in sheep exposed to hay contaminated with Solanum glaucophyllum
title_full Enzootic calcinosis in sheep exposed to hay contaminated with Solanum glaucophyllum
title_fullStr Enzootic calcinosis in sheep exposed to hay contaminated with Solanum glaucophyllum
title_full_unstemmed Enzootic calcinosis in sheep exposed to hay contaminated with Solanum glaucophyllum
title_sort enzootic calcinosis in sheep exposed to hay contaminated with solanum glaucophyllum
description Enzootic calcinosis (EC), by ingestion of toxic plant Solanum glaucophyllum, is a well-known chronic disease in Argentina affecting cattle under extensive grazing systems. It is characterized by systemic calcification of soft tissues, that can progress to death when severe cardiovascular lesions are present. We describe an episode of EC in sheep after exposure to hay contaminated with S. glaucophyllum. In a sheep flock of 17 male, 8-10 months old, 2 died spontaneously. Grossly, hydrotorax, lung edema, and aorta artery and myocardial multifocal-coalescing mineralization was observed. Microscopically, systemic mineralization of blood vessels was present in aorta, kidney and heart characterized by basophilic granular deposits in tunica intima and/or tunica media. Myocardial multifocal-coalescing areas of myofiber loss and regeneration, characterized by macrophage and satellite cell infiltration intermingled with fine granular basophilic deposits (mineralization) was evident. Von Kossa stain confirmed mineralization as calcium deposits. Furthermore, sheep outbreaks are sparsely reported, contributing to knowledge of the disease in other species, in addition to cattle, and in an unusual presentation as forage reserves. During hay production, inspection of possible toxic plants, such as S. glaucophyllum, must be carried out.
publisher Universidad Nacional del Nordeste
publishDate 2024
url https://revistas.unne.edu.ar/index.php/vet/article/view/7871
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first_indexed 2025-05-17T05:10:35Z
last_indexed 2025-05-17T05:10:35Z
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