"Tumors of wild animals under natural conditions"
نویسندگان
چکیده
منابع مشابه
Housing of Dairy Animals under Indian Conditions
India is a subtropical country, wherein the climate is of variable type. A shelter is required both in summer as well as in winter to counter the various vagaries of adverse climate and to provide a comfortable environment to the animals. The principle functions of any system of housing for dairy cattle are: (1) Provision of health sustaining and comfortable environment to different categories ...
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The naturally occurring virus papillomas of western cottontail rabbits become malignant occasionally. The cancers derive from the papilloma cells, that is to say from elements already rendered neoplastic by the virus and still infected therewith. Papillomas produced with the virus in jack rabbits and snowshoe rabbits become cancerous in the same way but much more frequently, as is the case in d...
متن کاملNatural infection by endoparasites among free-living wild animals.
The objective of this study was to investigate the frequency of occurrence and variety of intestinal parasites among free-living wild animals. Fecal samples from wild mammals and birds at rehabilitation centers in the states of Mato Grosso do Sul and São Paulo were analyzed by sedimentation and flotation-centrifugation methods. Parasite eggs, oocysts, cysts and/or trophozoites were found in 71%...
متن کاملVergence eye movements under natural viewing conditions.
PURPOSE To determine whether there are any fundamental differences in vergence dynamics under different viewing conditions, both in instrument space and free space. METHODS Symmetric vergence responses were measured for a variety of conditions under the traditional instrument space as well as the more natural free space viewing environment. Vergence eye movements were recorded objectively in ...
متن کاملReliable identification by color under natural conditions.
In order to recognize objects on the basis of the way in which they reflect different wavelengths of light, the visual system must deal with the different illuminant and background conditions under which the objects are seen. To test this ability under natural conditions, subjects were asked to name 6 uniformly colored papers. The experiment started by showing subjects six papers simultaneously...
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ژورنال
عنوان ژورنال: Experimental Biology and Medicine
سال: 1904
ISSN: 1535-3702,1535-3699
DOI: 10.3181/00379727-3-18