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Description of Sarcocystis falcatula stiles, 1893, a parasite of birds and opossums.
Sarcocystis falcatula Stiles, 1893 is re-described. Intermediate hosts of the parasite which was earlier described as Sarcocystis debonei Vogelsang, 1929 are species of passeriform, psittaciform, and
Exogenous stages of Isospora serini (Aragão)and Isospora canaria sp. n. in the canary (Serinus canarius Linnaeus).
  • E. Box
  • Biology, Medicine
    The Journal of protozoology
  • 1 May 1975
TLDR
Asexual stages of I. serini in macrophages are indistinguishable from parasites previously called avian Toxoplasma, Atoxoplasm, and Lankesterella.
Atoxoplasma Associated with an Isosporan Oocyst in Canaries
SYNOPSIS Coccidia-free and mite-free domestic canaries Serinus canarius given sporulated Isospora oocysts of canary origin and autopsied at intervals thereafter had numerous organisms in cells of the
Life cycles of two isopora species in the canary, Serinus canarius Linnaeus.
  • E. Box
  • Biology, Medicine
    The Journal of protozoology
  • 1 February 1977
TLDR
The endogenous stages of Isospora serini Arogão and isospora canaria Box are described from experimentally infected canaries, and both species have a diurnal periodicity of oocyst discharge which occurs in late afternoon and evening.
Isospora as an Extraintestinal Parasite of Passerine Birds1
TLDR
Investigation using sparrows and canaries demonstrated that after oral oocyst inoculation, infection of macrophages spread from the submucosa of the duodenum to the liver, and after several generations in the internal organs, asexual multiplication, occured in the intestinal epithelium of the small intestinc.
Experimental transmission of Sarcocystis from icterid birds to sparrows and canaries by sporocysts from the opossum.
TLDR
Avian Sarcocystis was transmitted experimentally from 2 genera of 1 family (Icteridae) to 2 different families of passerine intermediate hosts by sporocysts from the definitive host, which is the broadest intermediate host spectrum known for a species of Sarcocrystis.
Sarcocystis OF PASSERINE BIRDS: SEXUAL STAGES IN THE OPOSSUM (Didelphis virginiana) 1
TLDR
Sexual stages of a Sarcocystis of passerine birds were demonstrated by feeding muscle cysts from cowbirds and grackles to opossums, and large numbers of macro- and microgamonts were present in the small intestine post-inoculation.
Pathogenesis of Sarcocystis falcatula in the budgerigar. I. Early pulmonary schizogony.
TLDR
The ultrastructure of pulmonary sporozoites, meronts and merozoites of this Sarcocystis species is described and early schizogony occurs progressively in pulmonary capillary and in venular and venous endothelial cells.
Pathogenesis of Sarcocystis falcatula (Apicomplexa: Sarcocystidae) in the budgerigar (Melopsittacus undulatus). IV. Ultrastructure of developing, mature and degenerating sarcocysts.
TLDR
Sarcocysts in cardiac and skeletal muscles of budgerigars were examined transmission electron microscopically 5 to 168 days after experimental infection with Sarcocystis falcatula and sufficient morphologic differences were found which seem to justify their semantic differentiation.
Pathogenesis of Sarcocystis falcatula (Apicomplexa: Sarcocystidae) in the budgerigar (Melopsittacus undulatus). III. Pathologic and quantitative parasitologic analysis of extrapulmonary disease.
TLDR
In addition to a previously reported and often fatal acute interstitial pneumonitis, S. falcatula-infected budgerigars also sustained a chronic active hepatitis, interstitial myocarditis, myositis, nephritis, splenitis, and encephalitis.
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