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Title
The influence of age and access to females on dominance in captive male brown-headed cowbirds (Molothrus ater)
Source
Canadian Journal of Zoology
Date
1995
Author
Teather, Kevin L.; Weatherhead, Patrick J.
Genre
Journal Article
Volume
73
Issue
6
Start Page
1012
DOI
10.1139/z95-121
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Title
In vitro cultivation of the vascular phase of Sarcocystis hirsuta (Apicomplexa)
Source
Canadian Journal of Zoology
Date
1990
Author
Cawthorn, Richard J.; Markham, R. J. Frederick; Hitt, N. D.; Despres, D.
Genre
Journal Article
Abstract
Sporozoites of S. hirsuta, although they also penetrated into bovine monocytes, developed to the schizogonous phase only in bovine pulmonary artery...
Volume
68
Issue
5
Start Page
1068
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Title
Relationships among egg size, energy reserves, growth rate, and fasting resistance of Canada Goose goslings from southern Ontario
Source
Canadian Journal of Zoology
Date
1988
Author
Thomas, V. G.; Peach Brown, H. C.
Genre
Journal Article
Abstract
Eggs of wild giant Canada Geese (Branta canadensis maxima) breeding in southern Ontario were collected and incubated. Total nutrient reserve of...
Volume
66
Issue
4
Start Page
957
DOI
10.1139/z88-142
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Title
The rate of thermal exchange in a teleost, Tilapia mossambica
Source
Canadian Journal of Zoology
Date
1970
Author
Stevens, E. D.; Fry, F. E.
Genre
Journal Article
Volume
48
Issue
2
Start Page
221
DOI
10.1139/z70-036
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Title
Abundance, diversity, and community structure of small mammals in forest fragments in Prince Edward Island National Park, Canada
Source
Canadian Journal of Zoology
Date
2001
Author
Silva, Marina
Genre
Journal Article
Abstract
Anthropogenic activities in Prince Edward Island (Canada) have created a mosaic of fragmented uneven-aged forests and agricultural and pasture...
Volume
79
Issue
11
Start Page
2063
DOI
10.1139/cjz-79-11-2063
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Title
The effects of habitat fragmentation on amphibian species richness of Prince Edward Island
Source
Canadian Journal of Zoology
Date
2003
Author
Silva, Marina; Hartling, L. A.; Field, S. A.; Teather, Kevin L.
Genre
Journal Article
Abstract
We surveyed 11 forest remnants and their adjacent ponds to assess the species richness of amphibians on Prince Edward Island, Canada. By combining...
Volume
81
Issue
4
Start Page
563
DOI
10.1139/z03-038
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Title
Effects of age, temperature, and previous infection on the development of Physaloptera maxillaris (Nematoda
Subtitle
Physalopteroidea) in field crickets (Acheta pennsylvanicus)
Source
Canadian Journal of Zoology
Date
1976
Author
Cawthorn, Richard J.; Anderson, R. C.
Genre
Journal Article
Volume
54
Issue
4
Start Page
442
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Title
Cystidicoloides ephemeridarum (Linstow, 1872) (Nematoda) in speckled trout, Salvelinus fontinalis, from southern Ontario
Source
Canadian Journal of Zoology
Date
1987
Author
Greenwood, Spencer J.; Baker, M. R.
Genre
Journal Article
Abstract
The seasonality of infection and histopathology of C. ephemeridarum were studied in S. fontinalis, from the Rocky Saugeen River, Ontario, Canada....
Volume
65
Issue
11
Start Page
2589
DOI
10.1139/z87-392
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Title
Description of Sarcocystis campestris sp.n. (Protozoa
Subtitle
Sarcocystidae): a parasite of the badger Taxidea taxus with experimental transmission to the Richardson's ground squirrel, Spermophilus richardsonii.
Source
Canadian Journal of Zoology
Date
1983
Author
Cawthorn, Richard J.; Wobeser, G. A.; Gajadhar, A. A.
Genre
Journal Article
Abstract
Sporulated oocysts (10.1 X 15.3 mu m) and free sporocysts (8.0 X 10.2 mu m, with a large, round sporocyst residuum consisting of a single...
Volume
61
Issue
2
Start Page
370
DOI
10.1139/z83-049
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Title
Ooocyst production, late-stage merogony, gametogony, and cross-transmission studies of Eimeria bubonis (Protozoa
Subtitle
Eimeriidae) of the great horned owl, Bubo virginianus
Source
Canadian Journal of Zoology
Date
1982
Author
Cawthorn, Richard J.; Stockdale, P. H. G.
Genre
Journal Article
Abstract
Three B. virginianus were each inoculated orally with 1.0 X 104 sporulated oocysts of E. bubonis and 3 were each fed 2 mice which had been...
Volume
60
Issue
10
Start Page
2279
DOI
10.1139/z82-294
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Title
Observations on the occurrence and collection of mermithid nematodes from blackflies (Diptera
Subtitle
Simuliidae)
Source
Canadian Journal of Zoology
Date
1977
Author
Bailey, C. H.; Gordon, R.
Genre
Journal Article
Abstract
In 1973-75, larval blackflies were sampled for mermithid nematodes in 83 streams in Newfoundland, Canada. Prosimulium mixtum/fuscum and Simulium...
Volume
55
Issue
1
Start Page
148
DOI
10.1139/z77-018
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Title
Laboratory culture of the free-living stages of Neomesomermis flumenalis, a mermithid nematode parasite of Newfoundland blackflies (Diptera
Subtitle
Simuliidae)
Source
Canadian Journal of Zoology
Date
1977
Author
Bailey, C. H.; Gordon, R.; Mills, C.
Genre
Journal Article
Abstract
Laboratory methods were developed for culturing the free-living stages of Neomesomermis flumenalis, a mermithid parasite of simuliids, especially...
Volume
55
Issue
2
Start Page
391
DOI
10.1139/z77-053
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Title
Procedure for mass collection of mermithid postparasites (Nematoda
Subtitle
Mermithidae) from larval blackflies (Diptera: Simuliidae)
Source
Canadian Journal of Zoology
Date
1974
Author
Bailey, C. H.; Gordon, R.; Mokry, J.
Genre
Journal Article
Abstract
A method of collecting postparasitic Neomesomermis flumenalis from larval Prosimulium mixtum/fuscum and Simulium venustum is described. The larval...
Volume
52
Issue
5
Start Page
660
DOI
10.1139/z74-086
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Title
Description of a species of Sarcocystis (Apicomplexa Sarcocystidae), a parasite of the northern saw-whet owl, Aegolius acadicus, and experimental transmission to deer mice Peromyscus maniculatus
Source
Canadian Journal of Zoology
Date
1988
Author
Espinosa, R. H.; Sterner, M. C.; Blixt, J. A.; Cawthorn, Richard J.
Genre
Journal Article
Abstract
Sporocysts of Sarcocystis were recovered from the intestinal mucosa of A. acadicus from Yellowstone National Park, Wyoming, USA. Sporocysts...
Volume
66
Issue
10
Start Page
2118
DOI
10.1139/z88-314
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Title
Exogenous and endogenous stages of Isospora brachyrhynchi sp.n. (Protozoa
Subtitle
Eimeriidae) from the American crow Corvus brachyrhynchos Brehm
Source
Canadian Journal of Zoology
Date
1985
Author
Cawthorn, Richard J.; Wobeser, G. A.
Genre
Journal Article
Abstract
Crows were intubated with varying doses of sporulated oocysts of I. brachyrhynchi n.sp. from a naturally infected crow, and killed for necropsy at...
Volume
63
Issue
11
Start Page
2639
DOI
10.1139/z85-394
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Title
Light microscopical observations on sporogony of Sarcocystis rauschorum (Protozoa
Subtitle
Sarcocystidae) in snowy owls (Nyctea scandiaca)
Source
Canadian Journal of Zoology
Date
1985
Author
Cawthorn, Richard J.; Brooks, R. J.
Genre
Journal Article
Abstract
Two coccidia-free N. scandiaca were fed bradyzoites of S. rauschorum from varying lemmings (Dicrostonyx richardsoni). At necropsy 7 days later...
Volume
63
Issue
6
Start Page
1455
DOI
10.1139/z85-217
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Title
Excystation of Isospora brachyrhynchi Cawthorn and Wobeser, 1985, in vitro
Source
Canadian Journal of Zoology
Date
1985
Author
Stockdale, P. H. G.; Sheard, A.; Cawthorn, Richard J.
Genre
Journal Article
Abstract
I. brachyrhynchi were recovered from faeces of experimentally infected juvenile crows (Corvus brachyrhynchos) and stored for up to 12 months in a 2...
Volume
63
Issue
11
Start Page
2646
DOI
10.1139/z85-395
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Title
The occurrence of coccidia (Eimeriidae) in epididymal semen of a wapiti (Cervus canadensis nelsoni)
Source
Canadian Journal of Zoology
Date
1983
Author
Hrudka, F.; Cawthorn, Richard J.; Haigh, J. C.
Genre
Journal Article
Abstract
Meronts, merozoites, oocysts and unidentified stages of a new species of Eimeriidae were found in the reproductive tract of one of 4 C. canadensis...
Volume
61
Issue
7
Start Page
1693
DOI
10.1139/z83-220
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Title
Prevalence of renal coccidia in wild waterfowl in Saskatchewan
Source
Canadian Journal of Zoology
Date
1983
Author
Gajadhar, A. A.; Cawthorn, Richard J.; Wobeser, G. A.; Stockdale, P. H. G.
Genre
Journal Article
Abstract
Between 1980 and 1982 the kidneys of 627 waterfowl from Saskatchewan, Canada, were examined for oocysts by a modified flotation technique. Eimeria...
Volume
61
Issue
11
Start Page
2631
DOI
10.1139/z83-345
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Title
Methylmercury induced visual defects in rainbow trout
Source
Canadian Journal of Zoology
Date
1982
Author
Hawryshyn, C.; MacKay, W. C.; Nilsson, Thomy H.
Genre
Journal Article
Volume
60
Start Page
127
DOI
10.1139/z82-397

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