The Opossum ( Didelphis virginiana ) as a Host for Sarcocystis debonei from Cowbirds ( Molothrus ater ) and Grackles ( Cassidix mexicanus , Quiscalus quiscula )
Sarcocystis-infected muscles from ducks, cowbirds, and grackles were fed to cats, opossums, rats, and a dog. Only the opossum (Didelphis virginiana) was a suitable definitive host. All opossums that were fed Sarcocystis-infected cowbirds (Molothrus ater) and grackles (Cassidix mexicanus and Quiscalu...
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DigitalCommons@University of Nebraska - Lincoln
1978
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Online Access: | https://digitalcommons.unl.edu/parasitologyfacpubs/129 https://digitalcommons.unl.edu/context/parasitologyfacpubs/article/1137/viewcontent/Duszynski_1978_JP_The_Oppossum_Didelphis_virginiana_as_a_Host_for_Sarcocystis_debonei_from_Cowbirds_Molothrus_ater_and_Grackles_Cassidix_mexicanus_Quiscalus_quiscula.pdf |
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ftunivnebraskali:oai:digitalcommons.unl.edu:parasitologyfacpubs-1137 2023-11-12T04:01:00+01:00 The Opossum ( Didelphis virginiana ) as a Host for Sarcocystis debonei from Cowbirds ( Molothrus ater ) and Grackles ( Cassidix mexicanus , Quiscalus quiscula ) Duszynski, Donald Box, Edith D. 1978-04-01T08:00:00Z application/pdf https://digitalcommons.unl.edu/parasitologyfacpubs/129 https://digitalcommons.unl.edu/context/parasitologyfacpubs/article/1137/viewcontent/Duszynski_1978_JP_The_Oppossum_Didelphis_virginiana_as_a_Host_for_Sarcocystis_debonei_from_Cowbirds_Molothrus_ater_and_Grackles_Cassidix_mexicanus_Quiscalus_quiscula.pdf unknown DigitalCommons@University of Nebraska - Lincoln https://digitalcommons.unl.edu/parasitologyfacpubs/129 https://digitalcommons.unl.edu/context/parasitologyfacpubs/article/1137/viewcontent/Duszynski_1978_JP_The_Oppossum_Didelphis_virginiana_as_a_Host_for_Sarcocystis_debonei_from_Cowbirds_Molothrus_ater_and_Grackles_Cassidix_mexicanus_Quiscalus_quiscula.pdf Faculty Publications from the Harold W. Manter Laboratory of Parasitology Parasitology text 1978 ftunivnebraskali 2023-10-30T10:40:32Z Sarcocystis-infected muscles from ducks, cowbirds, and grackles were fed to cats, opossums, rats, and a dog. Only the opossum (Didelphis virginiana) was a suitable definitive host. All opossums that were fed Sarcocystis-infected cowbirds (Molothrus ater) and grackles (Cassidix mexicanus and Quiscalus quiscula) passed sporocysts in their feces. Opossums that ate the cowbirds had prepatent periods of 5 and 10 days and remained patent for at least 105 days. Opossums that ate the grackles became patent on day 10 after the infective meal and remained patent for over 90 (Quiscalus) and 105 (Cassidix) days. A single opossum fed infected muscle from a pintail duck (Anas acuta) passed sporocysts in the feces from days 13 through 18 after infection. No sporocysts were passed by opossums fed infected muscle from the green-winged teal (Anas carolinensis) and shoveller (Spatula clypeata). Sporocysts of duck, cowbird, and grackle origin were structurally similar. Mean dimensions of sporocysts were: duck-origin, 11.2 by 8.2 μm; cowbird-origin, 11.4 by 7.8 μm; Cassidix-origin, 11.2 by 7.8 μm; and Quiscalus-origin, 11.6 by 7.7 μm. We designate the sporocysts of cowbird and grackle origin as Sarcocystis debonei Vogelsang, 1929 (Syn. Isospora boughtoni Volk, 1938). Text Anas acuta University of Nebraska-Lincoln: DigitalCommons@UNL Volk ENVELOPE(59.803,59.803,70.126,70.126) |
institution |
Open Polar |
collection |
University of Nebraska-Lincoln: DigitalCommons@UNL |
op_collection_id |
ftunivnebraskali |
language |
unknown |
topic |
Parasitology |
spellingShingle |
Parasitology Duszynski, Donald Box, Edith D. The Opossum ( Didelphis virginiana ) as a Host for Sarcocystis debonei from Cowbirds ( Molothrus ater ) and Grackles ( Cassidix mexicanus , Quiscalus quiscula ) |
topic_facet |
Parasitology |
description |
Sarcocystis-infected muscles from ducks, cowbirds, and grackles were fed to cats, opossums, rats, and a dog. Only the opossum (Didelphis virginiana) was a suitable definitive host. All opossums that were fed Sarcocystis-infected cowbirds (Molothrus ater) and grackles (Cassidix mexicanus and Quiscalus quiscula) passed sporocysts in their feces. Opossums that ate the cowbirds had prepatent periods of 5 and 10 days and remained patent for at least 105 days. Opossums that ate the grackles became patent on day 10 after the infective meal and remained patent for over 90 (Quiscalus) and 105 (Cassidix) days. A single opossum fed infected muscle from a pintail duck (Anas acuta) passed sporocysts in the feces from days 13 through 18 after infection. No sporocysts were passed by opossums fed infected muscle from the green-winged teal (Anas carolinensis) and shoveller (Spatula clypeata). Sporocysts of duck, cowbird, and grackle origin were structurally similar. Mean dimensions of sporocysts were: duck-origin, 11.2 by 8.2 μm; cowbird-origin, 11.4 by 7.8 μm; Cassidix-origin, 11.2 by 7.8 μm; and Quiscalus-origin, 11.6 by 7.7 μm. We designate the sporocysts of cowbird and grackle origin as Sarcocystis debonei Vogelsang, 1929 (Syn. Isospora boughtoni Volk, 1938). |
format |
Text |
author |
Duszynski, Donald Box, Edith D. |
author_facet |
Duszynski, Donald Box, Edith D. |
author_sort |
Duszynski, Donald |
title |
The Opossum ( Didelphis virginiana ) as a Host for Sarcocystis debonei from Cowbirds ( Molothrus ater ) and Grackles ( Cassidix mexicanus , Quiscalus quiscula ) |
title_short |
The Opossum ( Didelphis virginiana ) as a Host for Sarcocystis debonei from Cowbirds ( Molothrus ater ) and Grackles ( Cassidix mexicanus , Quiscalus quiscula ) |
title_full |
The Opossum ( Didelphis virginiana ) as a Host for Sarcocystis debonei from Cowbirds ( Molothrus ater ) and Grackles ( Cassidix mexicanus , Quiscalus quiscula ) |
title_fullStr |
The Opossum ( Didelphis virginiana ) as a Host for Sarcocystis debonei from Cowbirds ( Molothrus ater ) and Grackles ( Cassidix mexicanus , Quiscalus quiscula ) |
title_full_unstemmed |
The Opossum ( Didelphis virginiana ) as a Host for Sarcocystis debonei from Cowbirds ( Molothrus ater ) and Grackles ( Cassidix mexicanus , Quiscalus quiscula ) |
title_sort |
opossum ( didelphis virginiana ) as a host for sarcocystis debonei from cowbirds ( molothrus ater ) and grackles ( cassidix mexicanus , quiscalus quiscula ) |
publisher |
DigitalCommons@University of Nebraska - Lincoln |
publishDate |
1978 |
url |
https://digitalcommons.unl.edu/parasitologyfacpubs/129 https://digitalcommons.unl.edu/context/parasitologyfacpubs/article/1137/viewcontent/Duszynski_1978_JP_The_Oppossum_Didelphis_virginiana_as_a_Host_for_Sarcocystis_debonei_from_Cowbirds_Molothrus_ater_and_Grackles_Cassidix_mexicanus_Quiscalus_quiscula.pdf |
long_lat |
ENVELOPE(59.803,59.803,70.126,70.126) |
geographic |
Volk |
geographic_facet |
Volk |
genre |
Anas acuta |
genre_facet |
Anas acuta |
op_source |
Faculty Publications from the Harold W. Manter Laboratory of Parasitology |
op_relation |
https://digitalcommons.unl.edu/parasitologyfacpubs/129 https://digitalcommons.unl.edu/context/parasitologyfacpubs/article/1137/viewcontent/Duszynski_1978_JP_The_Oppossum_Didelphis_virginiana_as_a_Host_for_Sarcocystis_debonei_from_Cowbirds_Molothrus_ater_and_Grackles_Cassidix_mexicanus_Quiscalus_quiscula.pdf |
_version_ |
1782329221702483968 |