On Capturing Bighorn Sheep
نویسندگان
چکیده
منابع مشابه
Elaeophorosis in bighorn sheep in New Mexico.
Two bighorn sheep (Ovis canadensis) in New Mexico (USA) were found to be naturally infected with Elaeophora schneideri. An adult ram examined in 1997 in the Fra Cristobal Mountains had 26 nematodes in the carotid and iliac arteries, and microfilariae were present in the skin, nasal mucosa, brain, and lungs. This ram was markedly debilitated prior to euthanasia and extensive crusty, scabby lesio...
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Bighorn sheep currently occupy just 30% of their historic distribution, and persist in populations less than 5% as abundant overall as their early 19th century counterparts. Present-day recovery of bighorn sheep populations is in large part limited by periodic outbreaks of respiratory disease, which can be transmitted to bighorn sheep via contact with domestic sheep grazing in their vicinity. I...
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March 2000 " Wildlife Bulletins frequently contain preliminary data, so conclusions based on these may be subject to change. Bulletins receive some review and may be cited in publications. Copies may be obtained, depending upon supply, from the Ministry of Environment, Lands and Parks,
متن کاملStochastic predation events and population persistence in bighorn sheep.
Many studies have reported temporal changes in the relative importance of density-dependence and environmental stochasticity in affecting population growth rates, but they typically assume that the predominant factor limiting growth remains constant over long periods of time. Stochastic switches in limiting factors that persist for multiple time-steps have received little attention, but most wi...
متن کاملCoccidia of Rocky Mountain bighorn sheep in Western Canada.
A survey of coccidia in the Rocky Mountain bighorn sheep (Ovis. c. canademis) in Alberta and Kootenay NationaI Park, British Columbia, was conducted from the winter of 1967 to the spring of 1969. Ninety percent of 530 fecal samples cxaniined were positive for coccidia. The species recovered, in order of prevalence, were Eimeria ovina ( syn., E. arloingi) (S6%), E. parva (3579, E. crandallis (34...
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ژورنال
عنوان ژورنال: Journal of Wildlife Diseases
سال: 1992
ISSN: 0090-3558
DOI: 10.7589/0090-3558-28.3.512