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antibodies to toxoplasma gondii in moose (alces alces l.) from alaska. 19863735595
serologic and experimental investigations of contagious ecthyma in alaska.serologic evidence of contagious ecthyma (ce) was found in domestic sheep (ovis aries), domestic goats (capra hircus), dall sheep (ovis dalli), and musk-ox (ovibos moschatus) in alaska. a moose (alces alces) calf and a caribou (rangifer tarandus) fawn were susceptible to experimental infection and both developed antibody titers as a result. ce virus was isolated from lesions of dall sheep which were involved in a natural outbreak of the disease.19836644914
serologic evidence of arbovirus infections in humans and wild animals in alaska.blood samples were collected from humans and several species of free-ranging wild animals in alaska. sera were tested for antibody to jamestown canyon (jc), snowshoe hare (ssh), northway (nor), klamath (kla), sakhalin (sak), great island (gi), and silverwater (sil) virus. jc antibody was found in 54% of 121 human, 89% of 97 bison (bison bison), 51% of 84 dall sheep (ovis dalli), 43% of 68 snowshoe hare (lepus americanus), and 3% of 33 arctic fox (alopex lagopus) sera. ssh antibody was found in 4 ...19836644915
moose soup shigellosis in alaska.following a community gathering held in early september 1991, an outbreak of gastroenteritis occurred in galena, alaska. we conducted an epidemiologic investigation to determine the cause of the outbreak. a case of gastroenteritis was defined as diarrhea or at least 2 other symptoms of gastrointestinal illness occurring in a galena resident within a week of the gathering. control subjects included asymptomatic residents who either resided with an affected person or were contacted by us during a ...19948048226
urban encroachment on the wilderness: moose-vehicle collisions in anchorage, alaska, 1991-1995.moose have successfully adapted to urban sprawl in anchorage, alaska, using greenbelt areas for shelter, forage, and protection. however, the proximity of moose to people poses unique hazards: a collision with a moose may cause significant injury and vehicle damage.199810093336
use of western immunoblot analysis for testing moose serum for brucella suis biovar 4 specific antibodies.to determine if 12 moose (alces alces) from northern alaska with agglutinating antibodies specific for brucella spp. had been exposed to either b. suis biovar 4 or b. abortus biovar 1, western immnnoblot serologic analysis was performed. differential serologic responses to strain specific a and m antigenic variances of the lipopolysaccharide o-polysaccharide sugar allowed strain identification. prior to examination, test sera were absorbed with killed whole cells from either b. abortus biovar 1, ...199910479098
serologic survey for toxoplasma gondii in selected wildlife species from alaska.blood was collected from selected wildlife species in specific areas of alaska (usa) during 1976-96. a modified agglutination test was used to test sera for evidence of exposure to toxoplasma gondii. serum antibody prevalence was 43% (62 positive of 143 tested) for black bears (ursus americanus), 9% (11/125) for wolves (canis lupus), 7% (22/319) for dall sheep (ovis dalli), 6% (14/241) for caribou (rangifer tarandus), 1% (3/240) for moose (alces alces), and 1% (2/241) for bison (bison bison). a ...200010813602
mineral and heavy metal status as related to a mortality event and poor recruitment in a moose population in alaska.moose (alces alces) found dead (fd) and hunter-killed (hk) in 1995 on the north slope of alaska (usa) in the colville river drainage were evaluated for heavy metal and mineral status. compared to previous reports for moose and domestic cattle, and data presented here from alaska moose outside the colville river area, levels of cu were determined to be low in hoof, hair, liver, kidney, rumen contents, and muscle for these north slope moose. iron (fe) was low in muscle as well. these findings, in ...200111504224
molecular characterization of cryptosporidium sp. isolated from northern alaskan caribou (rangifer tarandus).cryptosporidium sp. was found in 3 out of 49 caribou (rangifer tarandus) from northern alaska. segments of both the 18s ribosomal rna and the heat shock protein genes were amplified from the caribou isolate and compared with that obtained from an isolate from a wild white-tailed deer (odocoileus virginianus) in virginia as well as other species and isolates available from genbank. analyses showed the white-tailed deer isolate to be identical with the c. parvum cattle genotype; however, the carib ...200212053974
serum antibody prevalence of malignant catarrhal fever viruses in seven wildlife species from alaska.blood samples were collected from seven species of free-ranging ungulates in alaska. sera were tested for evidence of exposure to malignant catarrhal fever viruses (mcfv) by means of a competitive enzyme-linked immunosorbent assay. antibody prevalences were as follows: muskox (ovibos moschatus) 100 positive samples of 104 tested (96%); dall sheep (ovis dalli) 212 of 222 (95%); elk (cervus elaphus) 14 of 51 (27%); bison (bison bison) 34 of 197 (17%); caribou (rangifer tarandus) nine of 232 (4%); ...200212238366
trace elements in moose (alces alces) found dead in northwestern minnesota, usa.the moose (alces alces) population in bog and forest areas of northwestern minnesota has declined for more than 25 years, and more recently the decline is throughout northwestern minnesota. both deficiencies and elevations in trace elements have been linked to the health of moose worldwide. the objective of this study was to evaluate whether trace element toxicity or deficiency may have contributed to the decline of moose in northwestern minnesota. livers of 81 moose found dead in northwestern m ...200415325160
public health evaluation of cadmium concentrations in liver and kidney of moose (alces alces) from four areas of alaska.liver and/or kidney samples were collected from 139 hunter-killed moose from four areas of alaska during 1986. the concentration of cadmium in organ tissue was determined by direct-current plasma atomic emission spectrometry. all results are reported as mug/g wet weight. concentrations of cadmium in liver ranged from 0.06 microg/g to 9.0 microg/g; in the kidney cortex they ranged from 0.10 microg/g to 65.7 microg/g. cadmium levels were significantly associated with location and age. the highest ...200615890387
injuries from motor-vehicle collisions with moose--maine, 2000-2004.moose are among the largest mammals in north america. standing up to 7.5 feet at the shoulder and weighing up to 1,600 lbs, they are the largest members of the deer family. maine's moose population (approximately 29,000) is the biggest in the united states outside of alaska. during a collision with a motor vehicle, a moose usually is struck in the legs, causing its body to roll onto the hood of the vehicle, often collapsing the windshield and roof. as a result, motor-vehicle collisions involving ...200617136021
dermoid cysts in caribou.subcutaneous dermoid cysts were identified in eight wild caribou (rangifer tarandus) from widely dispersed locations in northern canada and in one wild caribou from alaska. the dermoid cysts from canadian caribou were found among 557 diagnostic specimens that had been detected by hunters and submitted by resource officers and biologists between 1 january 1966 and 15 may 2007. all of the cysts were located in the cervical region, and five of nine cysts were found in the throat area. all of the an ...200919395761
summer dietary nitrogen availability as a potential bottom-up constraint on moose in south-central alaska.recent studies suggest that the growth and fecundity of northern ungulates may be coupled to their summer nutrition. here, we compare summer dietary nitrogen availability of the five major browse plants (comprising approximately 79% of the diet) of moose (alces alces) in denali national park and nelchina basin, alaska, usa. in recent years the productivity of denali moose has been significantly higher than that of nelchina moose, prompting this comparison. we examined the phenological progressio ...200919537559
neospora caninum and toxoplasma gondii antibody prevalence in alaska wildlife.free-ranging caribou and moose populations in some regions of alaska undergo periodic declines in numbers. caribou and moose are managed by the state as valuable resources for not only sustenance and subsistence, but also for cultural heritage. incidence and prevalence of diseases that may impact herd health and recruitment from year to year are relevant to management decisions aimed to protect the long-term viability of these herds. neospora caninum and toxoplasma gondii are two apicomplexan pa ...201020688628
molecular identification of taenia spp. in wolves (canis lupus), brown bears (ursus arctos) and cervids from north europe and alaska.taenia tapeworms of finnish and swedish wolves (canis lupus) and finnish brown bears (ursus arctos), and muscle cysticerci of svalbard reindeer (rangifer tarandus platyrhynchus), alaskan grant's caribou (rangifer tarandus granti) and alaskan moose (alces americanus) were identified on the basis of the nucleotide sequence of a 396bp region of the mitochondrial cytochrome c oxidase subunit 1 gene. two species were found from wolves: taenia hydatigena and taenia krabbei. the cysticerci of reindeer, ...201121571090
taenia arctos n. sp. (cestoda: cyclophyllidea: taeniidae) from its definitive (brown bear ursus arctos linnaeus) and intermediate (moose/elk alces spp.) hosts.taenia arctos n. sp. (cestoda: cyclophyllidea: taeniidae) is described from the brown bear ursus arctos linnaeus (definitive host) and moose/elk alces spp. (intermediate hosts) from finland (type-locality) and alaska, usa. the independent status of the new species and the conspecificity of its adults and metacestodes have been recently confirmed by the mtdna sequence data of lavikainen et al. (2011; parasitology international, 60, 289-295). special reference is given to morphological differences ...201122002024
anti-brucella antibodies in moose (alces alces gigas), muskoxen (ovibos moschatus), and plains bison (bison bison bison) in alaska, usa.we used an indirect enzyme-linked immunosorbent assay (ielisa) and the rose bengal test (rbt) to test for anti-brucella antibodies in moose (alces alces gigas), muskoxen (ovibos moschatus), and plains bison (bison bison bison) from various game management units (gmus) in alaska, us, sampled from 1982 to 2010. a portion of the sera had previously been tested with the standard plate test (spt), the buffered brucella antigen (bba) card test, and the card test (card). no antibody-positive plains bis ...201626540335
design and validation of four new primers for next-generation sequencing to target the 18s rrna genes of gastrointestinal ciliate protozoa.four new primers and one published primer were used to pcr amplify hypervariable regions within the protozoal 18s rrna gene to determine which primer pair provided the best identification and statistical analysis. pcr amplicons of 394 to 498 bases were generated from three primer sets, sequenced using roche 454 pyrosequencing with titanium, and analyzed using the blast database (ncbi) and mothur version 1.29. the protozoal diversity of rumen contents from moose in alaska was assessed. in the pre ...201424973070
range expansion of moose in arctic alaska linked to warming and increased shrub habitat.twentieth century warming has increased vegetation productivity and shrub cover across northern tundra and treeline regions, but effects on terrestrial wildlife have not been demonstrated on a comparable scale. during this period, alaskan moose (alces alces gigas) extended their range from the boreal forest into tundra riparian shrub habitat; similar extensions have been observed in canada (a. a. andersoni) and eurasia (a. a. alces). northern moose distribution is thought to be limited by forage ...201627074023
herbivores influence the growth, reproduction, and morphology of a widespread arctic willow.shrubs have expanded in arctic ecosystems over the past century, resulting in significant changes to albedo, ecosystem function, and plant community composition. willow and rock ptarmigan (lagopus lagopus, l. muta) and moose (alces alces) extensively browse arctic shrubs, and may influence their architecture, growth, and reproduction. furthermore, these herbivores may alter forage plants in such a way as to increase the quantity and accessibility of their own food source. we estimated the effect ...201425047582
high-throughput dna sequencing of the ruminal bacteria from moose (alces alces) in vermont, alaska, and norway.in the present study, the rumen bacteria of moose (alces alces) from three distinct geographic locations were investigated. moose are large, browsing ruminants in the deer family, which subsist on fibrous, woody browse, and aquatic plants. subspecies exist which are distinguished by differing body and antler size, and these are somewhat geographically isolated. seventeen rumen samples were collected from moose in vermont, alaska, and norway, and bacterial 16s ribosomal rna genes were sequenced u ...201424595908
population structure and genetic diversity of moose in alaska.moose (alces alces) are highly mobile mammals that occur across arboreal regions of north america, europe, and asia. alaskan moose (alces alces gigas) range across much of alaska and are primary herbivore consumers, exerting a prominent influence on ecosystem structure and functioning. increased knowledge gained from population genetics provides insights into their population dynamics, history, and dispersal of these unique large herbivores and can aid in conservation efforts. we examined the ge ...200918836148
serologic studies of select infectious diseases of moose (alces alces l.) from alaska. 19863735591
baseline body temperatures, heart rates, and respiratory rates of moose in alaska.baseline body temperatures (bt), heart rates (hr) and respiratory rates (rr) were obtained from alaskan moose (alces alces gigas miller) at the moose research center (mrc), alaska. excitability, seasons and drugs influenced the values to varying degrees. excitability was the most influential factor. safe expected ranges were: bt 38.4 to 38.9 c, hr 70 to 91 beats/min (b/min), and rr 13 to 40 respirations/min (r/min). these ranges incorporated all seasons, a central nervous system depressant drug ...19846530720
novel wildlife in the arctic: the influence of changing riparian ecosystems and shrub habitat expansion on snowshoe hares.warming during the 20th century has changed the arctic landscape, including aspects of the hydrology, vegetation, permafrost, and glaciers, but effects on wildlife have been difficult to detect. the primary aim of this study is to examine the physical and biological processes contributing to the expanded riparian habitat and range of snowshoe hares (lepus americanus) in northern alaska. we explore linkages between components of the riparian ecosystem in arctic alaska since the 1960s, including s ...201626527375
using exploratory factor analysis of ffq data to identify dietary patterns among yup'ik people.an ffq developed by the center for alaska native health research for studies in yup'ik people includes market foods and subsistence foods such as moose, seal, waterfowl and salmon that may be related to disease risk. because the ffq contains >100 food items, we sought to characterize dietary patterns more simply for use in ongoing pharmacogenomics studies.201423290469
traditional foods and physical activity patterns and associations with cultural factors in a diverse alaska native population.to determine the prevalence of traditional food and physical activity use and associations with cultural factors among 3,830 alaska native and american indian (an/ai) people enrolled in the education and research towards health (earth) study in 3 regions of alaska.200819024803
preliminary study on total mercury in the common prepared subsistence foods of a rural alaskan village.total mercury (thg), which includes neurotoxic methylmercury (mehg), poses a health risk to subsistence food users in the circumpolar north. low levels of thg, usually below 200 ng/g, have been reported in fish muscle from both returning salmon and freshwater species samples on the kuskokwim river in southwest alaska. alaska subsistence users use fish all year long, with both salmon and freshwater species stored for winter usage. a recent study showed low mercury levels in the hair of villagers ...201312650086
abdominal hernia in a moose from alaska. 19836842739
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