Observations on Parasite-Host Relationships of Echinococcus multilocularis Leuckart, 1863, in North Dakota
Red foxes, Vulpes vulpes (Linnaeus), and small mammals were collected and examined during 1965-1969, to investigate parasite-host relationships of Echinococcus multilocularis Leuckart, 1863, in North Dakota. Comparative studies of this cestode were carried on concurrently through experimental infect...
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DigitalCommons@University of Nebraska - Lincoln
1971
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ftunivnebraskali:oai:digitalcommons.unl.edu:parasitologyfacpubs-1620 2023-11-12T04:26:52+01:00 Observations on Parasite-Host Relationships of Echinococcus multilocularis Leuckart, 1863, in North Dakota Rausch, Robert L. Richards, S. H. 1971-01-01T08:00:00Z application/pdf https://digitalcommons.unl.edu/parasitologyfacpubs/610 https://digitalcommons.unl.edu/context/parasitologyfacpubs/article/1620/viewcontent/Rausch_1971_CJZ_Observations_on_Parasite_Host_Relationships_of_Echinococcus_multilocularis.pdf unknown DigitalCommons@University of Nebraska - Lincoln https://digitalcommons.unl.edu/parasitologyfacpubs/610 https://digitalcommons.unl.edu/context/parasitologyfacpubs/article/1620/viewcontent/Rausch_1971_CJZ_Observations_on_Parasite_Host_Relationships_of_Echinococcus_multilocularis.pdf Faculty Publications from the Harold W. Manter Laboratory of Parasitology Parasitology text 1971 ftunivnebraskali 2023-10-30T10:44:33Z Red foxes, Vulpes vulpes (Linnaeus), and small mammals were collected and examined during 1965-1969, to investigate parasite-host relationships of Echinococcus multilocularis Leuckart, 1863, in North Dakota. Comparative studies of this cestode were carried on concurrently through experimental infection of carnivores and rodents. In winter, red foxes in North Dakota exhibited high rates of infection of comparatively low intensity. Deer mice, Peromyscus maniculatus (Wagner), and voles, Microtus pennsylvanicus (Ord), were important intermediate hosts, but the larvae in deer mice produced fewer protoscolices. The strains of E. multilocularis from North Dakota and from St. Lawrence Island, Alaska, differ biologically, as indicated by findings in experimentally infected rodents, but they could not be distinguished morphologically at the infraspecific level. Helminths recorded from red foxes in North Dakota are listed, and some ecological data are presented and discussed. French abstract: Des renards Vulpes vulpes (Linnée) et d'autres petits mammifères du Dakota du Nord ont été capturés et examines au cours des annees 1965 à 1969 en vue d'établir les relations parasites-hôtes avec Echinococcus multilocularis Leuckart, 1863. Des expériences d'infestation de carnivores et de rongeurs ont été menées simuitanément pour faire des études comparées sur ce cestode. En hiver, les renards du Dakota du Nord présentent un haut degré d'infestation. La souris Peromyscus maniculatus (Wagner) et Ie mulot Microtus pennsylvanicus (Ord) sont d'importants hôtes intermédiaires, mais chez la souris, les larves produisent peu de protoscolex. La lignée d'E. multilocularis du Dakota du Nord diffère biologiquement de celIe de St. Lawrence Island (Alaska) d'après les résultats obtenus avec I'infestation expérimentale des rongeurs, mais ces deux lignées ne présentent pas de différences morphologiques justifiant la création de sous-espèces. On donne aussi une liste des helminthes trouvés chez les renards du Dakota du Nord, ainsi que des données ... Text St Lawrence Island Alaska University of Nebraska-Lincoln: DigitalCommons@UNL Lawrence Island ENVELOPE(-103.718,-103.718,56.967,56.967) |
institution |
Open Polar |
collection |
University of Nebraska-Lincoln: DigitalCommons@UNL |
op_collection_id |
ftunivnebraskali |
language |
unknown |
topic |
Parasitology |
spellingShingle |
Parasitology Rausch, Robert L. Richards, S. H. Observations on Parasite-Host Relationships of Echinococcus multilocularis Leuckart, 1863, in North Dakota |
topic_facet |
Parasitology |
description |
Red foxes, Vulpes vulpes (Linnaeus), and small mammals were collected and examined during 1965-1969, to investigate parasite-host relationships of Echinococcus multilocularis Leuckart, 1863, in North Dakota. Comparative studies of this cestode were carried on concurrently through experimental infection of carnivores and rodents. In winter, red foxes in North Dakota exhibited high rates of infection of comparatively low intensity. Deer mice, Peromyscus maniculatus (Wagner), and voles, Microtus pennsylvanicus (Ord), were important intermediate hosts, but the larvae in deer mice produced fewer protoscolices. The strains of E. multilocularis from North Dakota and from St. Lawrence Island, Alaska, differ biologically, as indicated by findings in experimentally infected rodents, but they could not be distinguished morphologically at the infraspecific level. Helminths recorded from red foxes in North Dakota are listed, and some ecological data are presented and discussed. French abstract: Des renards Vulpes vulpes (Linnée) et d'autres petits mammifères du Dakota du Nord ont été capturés et examines au cours des annees 1965 à 1969 en vue d'établir les relations parasites-hôtes avec Echinococcus multilocularis Leuckart, 1863. Des expériences d'infestation de carnivores et de rongeurs ont été menées simuitanément pour faire des études comparées sur ce cestode. En hiver, les renards du Dakota du Nord présentent un haut degré d'infestation. La souris Peromyscus maniculatus (Wagner) et Ie mulot Microtus pennsylvanicus (Ord) sont d'importants hôtes intermédiaires, mais chez la souris, les larves produisent peu de protoscolex. La lignée d'E. multilocularis du Dakota du Nord diffère biologiquement de celIe de St. Lawrence Island (Alaska) d'après les résultats obtenus avec I'infestation expérimentale des rongeurs, mais ces deux lignées ne présentent pas de différences morphologiques justifiant la création de sous-espèces. On donne aussi une liste des helminthes trouvés chez les renards du Dakota du Nord, ainsi que des données ... |
format |
Text |
author |
Rausch, Robert L. Richards, S. H. |
author_facet |
Rausch, Robert L. Richards, S. H. |
author_sort |
Rausch, Robert L. |
title |
Observations on Parasite-Host Relationships of Echinococcus multilocularis Leuckart, 1863, in North Dakota |
title_short |
Observations on Parasite-Host Relationships of Echinococcus multilocularis Leuckart, 1863, in North Dakota |
title_full |
Observations on Parasite-Host Relationships of Echinococcus multilocularis Leuckart, 1863, in North Dakota |
title_fullStr |
Observations on Parasite-Host Relationships of Echinococcus multilocularis Leuckart, 1863, in North Dakota |
title_full_unstemmed |
Observations on Parasite-Host Relationships of Echinococcus multilocularis Leuckart, 1863, in North Dakota |
title_sort |
observations on parasite-host relationships of echinococcus multilocularis leuckart, 1863, in north dakota |
publisher |
DigitalCommons@University of Nebraska - Lincoln |
publishDate |
1971 |
url |
https://digitalcommons.unl.edu/parasitologyfacpubs/610 https://digitalcommons.unl.edu/context/parasitologyfacpubs/article/1620/viewcontent/Rausch_1971_CJZ_Observations_on_Parasite_Host_Relationships_of_Echinococcus_multilocularis.pdf |
long_lat |
ENVELOPE(-103.718,-103.718,56.967,56.967) |
geographic |
Lawrence Island |
geographic_facet |
Lawrence Island |
genre |
St Lawrence Island Alaska |
genre_facet |
St Lawrence Island Alaska |
op_source |
Faculty Publications from the Harold W. Manter Laboratory of Parasitology |
op_relation |
https://digitalcommons.unl.edu/parasitologyfacpubs/610 https://digitalcommons.unl.edu/context/parasitologyfacpubs/article/1620/viewcontent/Rausch_1971_CJZ_Observations_on_Parasite_Host_Relationships_of_Echinococcus_multilocularis.pdf |
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1782340692929937408 |