Results 211 to 220 of about 7,579 (247)

MYASTHENIA GRAVIS IN A POLAR BEAR (URSUS MARITIMUS)

Journal of Zoo and Wildlife Medicine, 2004
A 14.6-yr-old, female, multiparous polar bear (Ursus maritimus) acutely developed an apparent hind limb weakness. Physical examination and diagnostic tests including a hemogram, serum biochemistry, electrolytes, radiographs, and myelogram did not provide a definitive diagnosis. No improvement in condition was noted during 4 days of supportive care, and
David E, Kenny, Jeffery, Baier, Felicia, Knightly, Daniel, Steinheimer, David M, Getzy, G Diane, Shelton   +5 more
openaire   +2 more sources

Ursus maritimus

2009
Published as part of Don E. Wilson & Russell A. Mittermeier, 2009, Ursidae, pp. 448-497 in Handbook of the Mammals of the World – Volume 1 Carnivores, Barcelona :Lynx Edicions on pages 496-497, DOI: 10.5281/zenodo ...
Don E. Wilson, Russell A. Mittermeier
openaire   +1 more source

Organochlorines in polar bears (Ursus maritimus) at Svalbard

Environmental Pollution, 1997
A comprehensive survey on organochlorine (OC) contaminants in polar bears at Svalbard has been undertaken. Subcutaneous tissue, blood and milk have been sampled from anesthetized free-ranging bears of both sexes and different ages in the period from 1990 to 1994.
A, Bernhoft, Ø, Wiig, J U, Skaare
openaire   +2 more sources

Ursus maritimus Phipps 1774

2005
Published as part of Wilson, Don E. & Reeder, DeeAnn, 2005, Order Carnivora, pp. 532-628 in Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore :The Johns Hopkins University Press on page 589, DOI: 10.5281/zenodo ...
Wilson, Don E., Reeder, DeeAnn
openaire   +1 more source

Morbillivirus ecology in polar bears ( Ursus maritimus )

Polar Biology, 2000
Polar bear (Ursus maritimus) morbillivirus infection was initially reported by Follmann and co-workers in 1996, based upon serologic results using canine distemper virus (CDV). The impetus for the evaluation of polar bear populations for morbillivirus infections was prompted by epidemics of canine distemper-like disease in seal populations in the north
G. W. Garner, J. F. Evermann, J. T. Saliki, E. H. Follmann, A. J. McKeirnan   +4 more
openaire   +1 more source

Adoption in Polar Bears (Ursus maritimus)

1999
We observed a case of adoption of a single four-month-old polar bear cub (Ursus maritimus) into an existing litter of two cubs on Hopen Island, Svalbard. We believe the high density of maternity dens in the study area may increase the likelihood of natural adoption.
Derocher, A.E., Wiig, Ø.
openaire   +2 more sources

Fatal Hepatic Sarcocystosis in Two Polar Bears (Ursus maritimus)

The Journal of Parasitology, 1997
Fatal hepatic sarcocystosis was diagnosed in 2 polar bears from a zoo in Anchorage, Alaska. Gross lesions were icterus and systemic petechiae. Marked microscopic lesions were detected only in the liver and included severe random necrotizing hepatitis with hemorrhage.
H M, Garner, B C, Barr, A E, Packham, A E, Marsh, K A, Burek Huntington, R K, Wilson, J P, Dubney   +6 more
openaire   +2 more sources

Acquired Umbilical Hernias in Four Captive Polar Bears (Ursus maritimus)

Journal of Zoo and Wildlife Medicine, 2009
Umbilical hernias are a common occurrence in domestic animals and humans but have not been well documented in polar bears. Surgical reduction and herniorrhaphies were performed to correct acquired hernias in the region of the umbilicus in four adult captive polar bears (Ursus maritimus) housed in North American zoos.
Karen E, Velguth, Mark C, Rochat, Jennifer N, Langan, Kay, Backues   +3 more
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Antebrachial Fractures in Four Captive Polar Bears (Ursus maritimus)

Veterinary Surgery, 2005
Objective—To identify common risk factors for antebrachial fractures of captive polar bears and to evaluate outcome after fracture repair.Study Design—Retrospective study.Animals—Four captive polar bears.Methods—United States zoological collections were surveyed to determine the prevalence of fractures in captive polar bears. Medical records of captive
Rebecca C, Lin, Emmanuel, Engeli, Allan W, Prowten, Hollis N, Erb, Norm G, Ducharme, Laurie R, Goodrich   +5 more
openaire   +2 more sources

Geographic variation in growth of polar bears (Ursus maritimus)

Journal of Zoology, 1998
AbstractThe growth patterns of body length and head size in female and male polar bears (Ursus maritimus) in western Hudson Bay were compared with those of five other populations using the von Bertalanffy equation. Our objective was to determine if differences in growth patterns could account for higher reproductive rates reported in female polar bears
A. E. Derocher, I. Stirling
openaire   +1 more source