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. 2017 Oct;58(10):1110-1112.

Accidental selenium toxicosis in lambs

Christina M McKenzie  1 , Ahmad N Al-Dissi  1
Affiliations

Accidental selenium toxicosis in lambs

Christina M McKenzie et al. Can Vet J. 2017 Oct.

Abstract
in English, French

Acute selenium toxicosis occurred in 3-week-old lambs after accidental over-supplementation by intramuscular injection and caused dyspnea, cyanosis, and sudden death. Pathological lesions included myocardial necrosis, skeletal muscle necrosis, pulmonary edema, hydrothorax, and hydropericardium.

Toxicose accidentelle au sélénium chez des agneaux. Une toxicose aiguë au sélénium s’est produite chez des agneaux âgés de 3 semaines après une supplémentation excédentaire accidentelle par injection intramusculaire et elle a causé des signes de dyspnée, de cyanose et de mort soudaine. Les lésions pathologiques incluaient une nécrose du myocarde, une nécrose du muscle squelettique, un œdème pulmonaire, de l’hydrothorax et de l’hydropéricarde.(Traduit par Isabelle Vallières).

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Figures

Figure 1
Figure 1
Thoracic cavity — lamb 4. A — Macroscopic view of the thoracic cavity showing edematous and congested lungs with and hydrothorax. B — Heart — lamb 3. Macroscopic view of the heart showing locally extensive pale myocardium and biventricular dilatation. C — Myocardium displaying areas of contraction band necrosis (arrow) and karyorrhectic nuclear debris. Hematoxylin and eosin (H&E) stain (inset: myocardium stained with phosphotungstic acid — hematoxylin stain to highlight areas of contraction bands. D — Skeletal muscles displaying mild fragmentation contraction bands and mineralization. H&E stain.
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