outbreak of avian malaria associated to multiple species of plasmodium in magellanic penguins undergoing rehabilitation in southern brazil.avian malaria is a mosquito-borne disease caused by plasmodium spp. avian plasmodia are recognized conservation-threatening pathogens due to their potential to cause severe epizootics when introduced to bird populations with which they did not co-evolve. penguins are considered particularly susceptible, as outbreaks in captive populations will often lead to high morbidity and rapid mortality. we used a multidisciplinary approach to investigate an outbreak of avian malaria in 28 magellanic pengui ...201424736326
avian malaria ( plasmodium spp.) in captive magellanic penguins ( spheniscus magellanicus ) from northern argentina, 2010.we report two cases of lethal avian malaria in magellanic penguins (spheniscus magellanicus) captive at san clemente del tuyú, argentina, approximately 560 km north of argentinean breeding colonies of magellanic penguins. blood smears revealed both penguins were concurrently infected by plasmodium (haemamoeba) tejerai, plasmodium (huffia) sp., and plasmodium (novyella) sp.201627285418
parasitological and new molecular-phylogenetic characterization of the malaria parasite plasmodium tejerai in south american penguins.this study is the first report on mortality of spheniscus magellanicus, penguin of south america, caused by plasmodium tejerai, which was identified using morphological and molecular analyses. blood stages (trophozoites, meronts and gametocytes) were reported and illustrated. the necropsy revealed marked splenomegaly and pulmonary edema, as well as moderate hepatomegaly and hydropericardium. the histopathology revealed the presence of tissue meronts in the macrophages and endothelial cells of mu ...201223269202
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