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Journal Article

Malaria in an Eastern Screech Owl (Otus asio)

Paul Tavernier, Miguel Sagesse, Arnaud Van Wettere and Patrick Redig
Avian Diseases
Vol. 49, No. 3 (Sep., 2005), pp. 433-435
Stable URL: http://www.jstor.org/stable/4099114
Page Count: 3

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Topics: Parasites, Erythrocytes, Malaria, Birds of prey, Owls, Blood, Pigments, Gametocytes, Infestation, Parasitemia
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Malaria in an Eastern Screech Owl (Otus asio)
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Abstract

Owls are frequent carriers of blood parasites but clinical malaria infections are rare. Various stages of Plasmodium subpraecox were seen in 90% of the erythrocytes of an Eastern screech owl (Otus asio) showing symptoms consistent with malaria 1 wk after admission for traumatic injuries. An additional unidentified blood parasite, either a Plasmodium or a Haemoproteus spp. was found in small numbers of red blood cells on blood films examined at admission and at day 7 postadmission. Combined infestation, trauma-induced stress, and iatrogenic corticosteroid administration are possible factors that could have induced disease. Oral treatment with mefloquine at 30 mg/kg, repeated after 12, 24, and 48 hr, proved successful in eliminating both organisms and signs of clinical disease. /// Los búhos son portadores frecuentes de parásitos sanguíneos, pero las infecciones clínicas de malaria son raras. Se observaron varios estadios de Plasmodium subpraecox en el 90% de los eritrocitos de un autillo chillón (tecolote oriental) Otus asio que mostró síntomas consistentes con malaria una semana después de su admisión debido a lesiones traumáticas. Adicionalmente, se encontró un parásito sanguíneo no identificado, o bien un Plasmodium o un Haemoproteus spp. presente en pequeños números de glóbulos rojos o en frotis examinados en el momento de la admisión y 7 días posteriores a la misma. La infestación combinada, el estrés inducido por el trauma y la administración iatrogénica de corticosteroides son posibles factores que pudieron haber inducido la enfermedad. El tratamiento oral con mefloquina a 30 mg/kg, repetido después de 12, 24, y 48 horas, resultó exitoso, eliminando ambos organismos y los signos clínicos de la enfermedad.

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