Toshio Tsubota

Toshio Tsubota

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Toshio Tsubota

Publications by authors named "Toshio Tsubota"

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High genetic diversity and distinct ancient lineage of Asiatic black bears revealed by non-invasive surveys in the Annapurna Conservation Area, Nepal.

PLoS One 2018 5;13(12):e0207662. Epub 2018 Dec 5.

Laboratory of Wildlife Biology and Medicine, Department of Environmental Veterinary Science, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan.

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0207662PLOS
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6281213PMC
May 2019

Incidence of Multiple Paternity and Inbreeding in High-Density Brown Bear Populations on the Shiretoko Peninsula, Hokkaido, Japan.

J Hered 2019 May;110(3):321-331

The Laboratory of Wildlife Biology and Medicine, Department of Environmental Veterinary Science, Graduate School of Veterinary Medicine, Hokkaido University, Hokkaido, Japan.

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http://dx.doi.org/10.1093/jhered/esz002DOI Listing
May 2019

Skeletal muscles of hibernating black bears show minimal atrophy and phenotype shifting despite prolonged physical inactivity and starvation.

PLoS One 2019 18;14(4):e0215489. Epub 2019 Apr 18.

Laboratory of Wildlife Biology and Medicine, Graduate School of Veterinary Medicine, Hokkaido University, Hokkaido, Japan.

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0215489PLOS
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6472773PMC
April 2019

Tuberculosis threat in Asian elephants.

Science 2019 Jan;363(6425):356

Laboratory of Wildlife Biology and Medicine, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan.

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http://dx.doi.org/10.1126/science.aaw2342DOI Listing
January 2019

Heart rate during hyperphagia differs between two bear species.

Biol Lett 2019 Jan;15(1):20180681

1 Department of Forestry and Wildlife Management, Faculty of Applied Ecology and Agricultural Sciences, Inland Norway University of Applied Sciences , Campus Evenstad, 2418 Elverum , Norway.

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http://dx.doi.org/10.1098/rsbl.2018.0681DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6371904PMC
January 2019

First molecular detection and characterization of Hepatozoon and Sarcocystis spp. in field mice and voles from Japan.

Parasitol Res 2017 Aug 19;116(8):2321-2325. Epub 2017 May 19.

Laboratory of Wildlife Biology and Medicine, Department of Environmental Veterinary Sciences, Graduate School of Veterinary Medicine, Hokkaido University, North 18 West 9, Sapporo, Hokkaido, 060-0818, Japan.

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http://link.springer.com/10.1007/s00436-017-5505-z
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http://dx.doi.org/10.1007/s00436-017-5505-zDOI Listing
August 2017

Molecular identification and characterization of piroplasm species in Hokkaido sika deer (Cervus nippon yesoensis), Japan.

Ticks Tick Borne Dis 2017 08 17;8(5):802-807. Epub 2017 Jun 17.

Laboratory of Wildlife Biology and Medicine, Department of Environmental Veterinary Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan. Electronic address:

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http://dx.doi.org/10.1016/j.ttbdis.2017.06.007DOI Listing
August 2017

Seasonal changes in the expression of energy metabolism-related genes in white adipose tissue and skeletal muscle in female Japanese black bears.

Comp Biochem Physiol B Biochem Mol Biol 2016 Jun-Jul;196-197:38-47. Epub 2016 Feb 12.

Laboratory of Wildlife Biology and Medicine, Department of Environmental Veterinary Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan.

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http://dx.doi.org/10.1016/j.cbpb.2016.02.001DOI Listing
February 2017

Comparison of cortisol and thyroid hormones between tuberculosis-suspect and healthy elephants of Nepal.

J Vet Med Sci 2016 Dec 23;78(11):1713-1716. Epub 2016 Jul 23.

Laboratory of Wildlife Biology and Medicine, Graduate School of Veterinary Medicine, Hokkaido University, Kita 18, Nishi 9, Kita-ku, Sapporo, Hokkaido 060-0818, Japan.

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http://dx.doi.org/10.1292/jvms.16-0212DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5138427PMC
December 2016

Development and evaluation of an interferon-γ release assay in Asian elephants (Elephas maximus).

J Vet Med Sci 2016 Aug 17;78(7):1117-21. Epub 2016 Mar 17.

Laboratory of Wildlife Biology and Medicine, Graduate School of Veterinary Medicine, Hokkaido University, Kita 18, Nishi 9, Kita-ku, Sapporo, Hokkaido 060-0818, Japan.

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http://dx.doi.org/10.1292/jvms.15-0701DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4976266PMC
August 2016

Dynamics, co-infections and characteristics of zoonotic tick-borne pathogens in Hokkaido small mammals, Japan.

Ticks Tick Borne Dis 2016 07 26;7(5):922-928. Epub 2016 Apr 26.

Laboratory of Wildlife Biology and Medicine, Department of Environmental Veterinary Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan. Electronic address:

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http://dx.doi.org/10.1016/j.ttbdis.2016.04.014DOI Listing
July 2016

AN EPIZOOTIC OF EMERGING NOVEL AVIAN POX IN CARRION CROWS (CORVUS CORONE) AND LARGE-BILLED CROWS (CORVUS MACRORHYNCHOS) IN JAPAN.

J Wildl Dis 2016 04 11;52(2):230-41. Epub 2016 Mar 11.

8   Graduate School of Veterinary Medicine, Hokkaido University, Kita 18, Nishi 9, Kita-ku, Sapporo, Hokkaido 060-0818, Japan.

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http://dx.doi.org/10.7589/2015-07-172DOI Listing
April 2016

Molecular characterization and specific detection of Anaplasma species (AP-sd) in sika deer and its first detection in wild brown bears and rodents in Hokkaido, Japan.

Infect Genet Evol 2015 Dec 9;36:268-274. Epub 2015 Oct 9.

Laboratory of Wildlife Biology and Medicine, Department of Environmental Veterinary Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan. Electronic address:

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http://dx.doi.org/10.1016/j.meegid.2015.09.027DOI Listing
December 2015

A relapsing fever group Borrelia sp. similar to Borrelia lonestari found among wild sika deer (Cervus nippon yesoensis) and Haemaphysalis spp. ticks in Hokkaido, Japan.

Ticks Tick Borne Dis 2014 Oct 6;5(6):841-7. Epub 2014 Aug 6.

Laboratory of Wildlife Biology and Medicine, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan. Electronic address:

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http://dx.doi.org/10.1016/j.ttbdis.2014.06.006DOI Listing
October 2014

Identification of interspecific differences in phase II reactions: determination of metabolites in the urine of 16 mammalian species exposed to environmental pyrene.

Environ Toxicol Chem 2014 Sep 30;33(9):2062-9. Epub 2014 Jul 30.

Laboratory of Toxicology, Department of Environmental Veterinary Science, Graduate, School of Veterinary Medicine, Hokkaido University, Sapporo, Japan; Department of Pharmacology, Faculty of Veterinary Medicine, Kasetsart University, Bangkok, Thailand.

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http://dx.doi.org/10.1002/etc.2656DOI Listing
September 2014

A genetic method for sex identification of raccoons (Procyon lotor) with using the ZFX and ZFY genes.

J Vet Med Sci 2014 May 23;76(5):773-5. Epub 2014 Jan 23.

Laboratory of Wildlife Biology and Medicine, Graduate School of Veterinary Medicine, Hokkaido University, Kita18, Nichi9, Kita-ku, Sapporo, Hokkaido 060-0818, Japan.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4073351PMC
May 2014

Molecular characterization of Mycobacterium tuberculosis isolates from elephants of Nepal.

Tuberculosis (Edinb) 2014 May 8;94(3):287-92. Epub 2014 Jan 8.

Laboratory of Wildlife Biology and Medicine, Graduate School of Veterinary Medicine, Hokkaido University, Kita 18, Nishi 9, Kita-ku, Sapporo 060-0818, Japan. Electronic address:

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http://dx.doi.org/10.1016/j.tube.2013.12.008DOI Listing
May 2014

Changes in the immunolocalization of steroidogenic enzymes and the androgen receptor in raccoon (Procyon lotor) testes in association with the seasons and spermatogenesis.

J Reprod Dev 2014 Apr 15;60(2):155-61. Epub 2014 Feb 15.

Laboratory of Wildlife Biology and Medicine, Graduate School of Veterinary Medicine, Hokkaido University, Hokkaido 060-0818, Japan.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3999395PMC
April 2014

Areolae of the placenta in the Antarctic minke whale (Balaenoptera bonaerensis).

J Reprod Dev 2014 Mar 19;60(1):62-7. Epub 2013 Dec 19.

Laboratory of Veterinary Anatomy, Department of Basic Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido 080-8555, Japan.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3963298PMC
March 2014

Differential tick burdens may explain differential Borrelia afzelii and Borrelia garinii infection rates among four, wild, rodent species in Hokkaido, Japan.

J Vet Med Sci 2013 8;75(6):785-90. Epub 2013 Feb 8.

Laboratory of Wildlife Biology and Medicine, Graduate School of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Sapporo, Hokkaido 060-0818, Japan.

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January 2014

Structure and steroidogenesis of the placenta in the Antarctic minke whale (Balaenoptera bonaerensis).

J Reprod Dev 2013 27;59(2):159-67. Epub 2012 Dec 27.

Laboratory of Veterinary Anatomy, Department of Basic Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Hokkaido 080-8555, Japan.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3934202PMC
November 2013

Prevalence of Lyme borrelia in Ixodes persulcatus ticks from an area with a confirmed case of Lyme disease.

J Vet Med Sci 2013 Feb 5;75(2):215-8. Epub 2012 Oct 5.

Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Hokkaido, Japan.

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February 2013

Borrelia miyamotoi infections among wild rodents show age and month independence and correlation with Ixodes persulcatus larval attachment in Hokkaido, Japan.

Vector Borne Zoonotic Dis 2013 Feb 4;13(2):92-7. Epub 2012 Dec 4.

Laboratory of Wildlife Biology and Medicine, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan.

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http://dx.doi.org/10.1089/vbz.2012.1027DOI Listing
February 2013

Parasitology of five primates in Mahale Mountains National Park, Tanzania.

Primates 2012 Oct 4;53(4):365-75. Epub 2012 Jun 4.

Laboratory of Wildlife Biology and Medicine, Graduate School of Veterinary Medicine, Hokkaido University, Kita-ku, Sapporo, Japan.

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http://dx.doi.org/10.1007/s10329-012-0311-9DOI Listing
October 2012

Changes in expression of hepatic genes involved in energy metabolism during hibernation in captive, adult, female Japanese black bears (Ursus thibetanus japonicus).

Comp Biochem Physiol B Biochem Mol Biol 2012 Oct 5;163(2):254-61. Epub 2012 Jul 5.

Laboratory of Wildlife Biology and Medicine, Department of Environmental Veterinary Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan.

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https://linkinghub.elsevier.com/retrieve/pii/S10964959120012
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http://dx.doi.org/10.1016/j.cbpb.2012.06.007DOI Listing
October 2012

A novel relapsing fever Borrelia sp. infects the salivary glands of the molted hard tick, Amblyomma geoemydae.

Ticks Tick Borne Dis 2012 Sep 27;3(4):259-61. Epub 2012 Jul 27.

Department of Bacteriology-I, National Institute of Infectious Diseases, Tokyo, Japan.

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http://dx.doi.org/10.1016/j.ttbdis.2012.06.003DOI Listing
September 2012

Immunolocalization of steroidogenic enzymes and their expression during the breeding season in the testes of wild raccoon dogs (Nyctereutes procyonoides).

Anim Sci J 2012 Jul 4;83(7):535-42. Epub 2012 Jan 4.

College of Biological Science and Technology, Beijing Forestry University School of Basic Medical Sciences, Peking University, Beijing, China.

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http://dx.doi.org/10.1111/j.1740-0929.2011.00990.xDOI Listing
July 2012

Seasonal changes in spermatogenesis and peripheral testosterone concentration in raccoons (Procyon lotor) in Hokkaido.

J Vet Med Sci 2012 Jun 10;74(6):727-32. Epub 2012 Jan 10.

Laboratory of Wildlife Biology and Medicine, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Hokkaido 060-0818, Japan.

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June 2012

Changes in blood glucose and insulin responses to intravenous glucose tolerance tests and blood biochemical values in adult female Japanese black bears (Ursus thibetanus japonicus).

Jpn J Vet Res 2012 Feb;60(1):5-13

Laboratory of Wildlife Biology and Medicine, Department of Environmental Veterinary Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan.

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February 2012

Genetic characteristics and antimicrobial resistance of Escherichia coli from Japanese macaques (Macaca fuscata) in rural Japan.

J Wildl Dis 2011 Apr;47(2):261-70

School of Veterinary Medicine, Hokkaido University, Kita 18, Nishi 9, Kita-ku, Sapporo, Hokkaido 060-0818, Japan.

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http://dx.doi.org/10.7589/0090-3558-47.2.261DOI Listing
April 2011

Evaluation of stored body fat in nuisance-killed Japanese black bears (Ursus thibetanus japonicus).

Zoolog Sci 2011 Feb;28(2):105-11

Laboratory of Wildlife Biology and Medicine, Graduate School of Veterinary Medicine, Hokkaido University, Kita-18 Nishi-9, Kita-ku, Sapporo 060-0818, Japan.

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http://dx.doi.org/10.2108/ZSJ.28.105DOI Listing
February 2011

Estimating the success rate of ovulation and early litter loss rate in the Japanese black bear (Ursus thibetanus japonicus) by examining the ovaries and uteri.

Jpn J Vet Res 2011 Feb;59(1):31-9

Laboratory of Wildlife Biology and Medicine, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan.

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February 2011

Localization of five steroidogenic enzyme mRNAs in Japanese black bear (Ursus thibetanus japonicus) testes during the mating season by in situ hybridization.

J Reprod Dev 2010 Apr 25;56(2):236-42. Epub 2009 Dec 25.

Laboratory of Wildlife Biology, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan.

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April 2010

Genetic variation in the harbor seal (Phoca vitulina) and spotted seal (Phoca largha) around Hokkaido, Japan, based on mitochondrial cytochrome b sequences.

Zoolog Sci 2010 Mar;27(3):263-8

Laboratory of Wildlife Biology, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan.

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http://dx.doi.org/10.2108/zsj.27.263DOI Listing
March 2010

Immunohistochemical localization of steroidogenic enzymes in the testis of the sika deer (Cervus nippon) during developmental and seasonal changes.

J Reprod Dev 2010 Feb 19;56(1):117-23. Epub 2009 Nov 19.

Laboratory of Veterinary Anatomy, Department of Basic Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Japan.

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February 2010

Changes in plasma gonadotropins, inhibin and testosterone concentrations and testicular gonadotropin receptor mRNA expression during testicular active, regressive and recrudescent phase in the captive Japanese black bear (Ursus thibetanus japonicus).

Jpn J Vet Res 2010 Feb;57(4):185-96

Laboratory of Wildlife Biology, Department of Environmental Veterinary Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan.

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February 2010

Muscular sarcocystosis in wild carnivores in Honshu, Japan.

Parasitol Res 2009 Dec 20;106(1):213-9. Epub 2009 Oct 20.

Laboratory of Veterinary Pathology, Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, Gifu, 501-1193, Japan.

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http://link.springer.com/10.1007/s00436-009-1653-0
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http://dx.doi.org/10.1007/s00436-009-1653-0DOI Listing
December 2009

Growth variation in skull morphology of Kuril harbor seals (Phoca vitulina stejnegeri) and spotted seals (Phoca largha) in Hokkaido, Japan.

Jpn J Vet Res 2009 Nov;57(3):147-62

Laboratory of Wildlife Biology, Department of Environmental Veterinary Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan.

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November 2009

Change in body weight of mothers and neonates and in milk composition during denning period in captive Japanese black bears (Ursus thibetanus japonicus).

Jpn J Vet Res 2009 May;57(1):13-22

Laboratory of Wildlife Biology, Department of Environmental Veterinary Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan.

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May 2009

Fetal age estimation of Hokkaido sika deer (Cervus nippon yesoensis) using ultrasonography during early pregnancy.

J Reprod Dev 2009 Apr 24;55(2):143-8. Epub 2008 Dec 24.

Laboratory of Wildlife Biology, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan.

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April 2009

Leptin Receptor (Ob-R) expression in the ovary and uterus of the wild japanese black bear (Ursus thibetanus japonicus).

J Reprod Dev 2009 Apr 24;55(2):110-5. Epub 2008 Dec 24.

Laboratory of Zoo and Wildlife Medicine, United Graduate School of Veterinary Sciences, Gifu University, Gifu, Japan.

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April 2009

Annual changes in serum leptin concentration in the adult female Japanese black bear (Ursus thibetanus japonicus).

J Vet Med Sci 2008 Dec;70(12):1399-403

Laboratory of Wildlife Biology, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan.

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December 2008

Immunohistochemical localization of the estrogen receptor alpha (ERalpha) and progesterone receptor (PR) in the uterus of sika deer (Cervus nippon) during pregnancy.

Jpn J Vet Res 2008 Nov;56(3):139-49

Laboratory of Wildlife Biology, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan.

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November 2008

Regional trend and tissue distribution of brominated flame retardants and persistent organochlorines in raccoon dogs (Nyctereutes procyonoides) from Japan.

Environ Sci Technol 2008 Feb;42(3):685-91

Center for Marine Environmental Studies (CMES), Ehime University, Bunkyo-cho 2-5, Matsuyama 790-8577, Japan,

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February 2008

A case of chondrosarcoma in a free-flying Great Egret.

J Wildl Dis 2007 Jul;43(3):542-4

United Graduate School of Veterinary Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.

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http://www.jwildlifedis.org/doi/10.7589/0090-3558-43.3.542
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http://dx.doi.org/10.7589/0090-3558-43.3.542DOI Listing
July 2007

Immobilization of Japanese black bears (Ursus thibetanus japonicus) with tiletamine hydrochloride and zolazepam hydrochloride.

J Vet Med Sci 2007 Apr;69(4):433-5

United Graduate School of Veterinary Sciences, Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, Japan.

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April 2007

Persistent organochlorines in raccoon dogs (Nyctereutes procyonoides) from Japan: Hepatic sequestration of oxychlordane.

Chemosphere 2007 Jan 12;66(2):203-11. Epub 2006 Jul 12.

Center for Marine Environmental Studies (CMES), Ehime University, Bunkyo-cho 2-5, Matsuyama 790-8577, Japan.

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http://dx.doi.org/10.1016/j.chemosphere.2006.06.001DOI Listing
January 2007

Immunolocalization of steroidogenic enzymes P450scc, 3betaHSD, and P450c17 in the ovaries of wild raccoon dogs (Nyctereutes procyonoides).

J Vet Med Sci 2006 Sep;68(9):999-1002

College of Biological Science and Technology, Beijing Forestry University, Beijing, China .

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September 2006

Seasonal changes in immunolocalization of inhibin/activin subunits and testicular activity in wild male raccoon dogs (Nyctereutes procyonoides).

J Reprod Dev 2006 Aug 12;52(4):503-10. Epub 2006 May 12.

Faculty of Biological Science and Technology, Beijing Forestry University, China.

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August 2006

PCDDs, PCDFs, and coplanar PCBs in wild terrestrial mammals from Japan: congener specific accumulation and hepatic sequestration.

Environ Pollut 2006 Apr 12;140(3):525-35. Epub 2005 Sep 12.

Center for Marine Environmental Studies, Ehime University, Bunkyo-cho 2-5, Matsuyama 790-8577, Japan.

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http://dx.doi.org/10.1016/j.envpol.2005.07.020DOI Listing
April 2006

Immunolocalization of steroidogenic enzymes in the fetal, neonatal and adult testis of the Shiba goat.

Exp Anim 2005 Oct;54(5):451-4

Faculty of Biological Science and Technology, Beijing Forestry University, Beijing, China.

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October 2005

Immunolocalization of steroidogenic enzymes P450scc, 3betaHSD, P450c17, and P450arom in Göttingen miniature pig testes.

J Reprod Dev 2005 Jun 22;51(3):299-304. Epub 2005 Feb 22.

Faculty of Biological Science and Technology, Beijing Forestry University, China.

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June 2005

Male Pseudohermaphroditism in a raccoon dog (Nyctereutes procynoides).

J Vet Med Sci 2005 Jun;67(6):603-5

United Graduate School of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, Japan.

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June 2005

Immunolocalization of steroidogenic enzymes in the corpus luteum and placenta of the Japanese Shiba goat.

J Reprod Dev 2005 Apr 7;51(2):247-52. Epub 2005 Feb 7.

Faculty of Biological Science and Technology, BeiJing Forestry University, China.

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April 2005

Adaptation of the hindlimbs for climbing in bears.

Ann Anat 2005 Apr;187(2):153-60

Laboratory of Anatomy, Department of Basic Veterinary Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan.

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http://dx.doi.org/10.1016/j.aanat.2004.10.001DOI Listing
April 2005

Chemical characterization of sialyl oligosaccharides in milk of the Japanese black bear, Ursus thibetanus japonicus.

Comp Biochem Physiol B Biochem Mol Biol 2004 Dec;139(4):587-95

Department of Animal Science, Obihiro University of Agriculture and Veterinary Medicine, Inada cho, Obihiro, Hokkaido, 080-8555, Japan.

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http://dx.doi.org/10.1016/j.cbpc.2004.07.012DOI Listing
December 2004

Ceramide enhances acrosomal exocytosis triggered by calcium and the calcium ionophore A23187 in boar spermatozoa.

J Reprod Dev 2004 Dec;50(6):667-74

Laborartoty of Veterinary Theriogenology, Division of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, Japan.

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December 2004

Effects of final dilution rate, sperm concentration and times for cooling and glycerol equilibration on post-thaw characteristics of canine spermatozoa.

J Vet Med Sci 2004 Nov;66(11):1359-64

The United Graduate School of Veterinary Sciences, Gifu University, Japan.

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November 2004

Electroejaculation and semen cryopreservation of free-ranging Japanese black bears (Ursus thibetanus japonicus).

J Vet Med Sci 2004 Nov;66(11):1371-6

The United Graduate School of Veterinary Science, Gifu University, Japan.

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November 2004

Immunohistochemical localization of steroidogenic enzymes in the testis of Hokkaido Sika deer (Cervus nippon yesoensis).

J Vet Med Sci 2004 Nov;66(11):1463-6

Laboratory of Anatomy, Department of Basic Veterinary Sciences, Obihiro University of Agriculture and Veterinary Medicine, Japan.

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November 2004

Evidence that bears are induced ovulators.

Theriogenology 2004 Apr;61(6):1163-9

Reproductive Endocrinology & Infertility, Greenville Hospital System, 890 W Faris Road, Suite 470, Greenville, SC 29605, USA.

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http://dx.doi.org/10.1016/j.theriogenology.2003.07.016DOI Listing
April 2004

Immunohistochemical localization of steroidogenic enzymes in corpus luteum of wild sika deer during early mating season.

Jpn J Vet Res 2004 Feb;51(3-4):167-72

Laboratory of Wildlife Biology, Department of Environmental Veterinary Science, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan.

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February 2004

Seasonal changes in spermatogenesis and testicular steroidogenesis in wild male raccoon dogs (Nyctereutes procynoides).

J Vet Med Sci 2003 Oct;65(10):1087-92

United Graduate School of Veterinary Medicine, Gifu University, Gifu, Japan.

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October 2003

Spermatogenesis, serum testosterone levels and immunolocalization of steroidogenic enzymes in the wild male Japanese black bear (Ursus thibetanus japonicus).

J Vet Med Sci 2003 Oct;65(10):1093-9

United Graduate School of Veterinary Medicine, Gifu University.

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October 2003

Sex identification by alternative polymerase chain reaction methods in falconiformes.

Zoolog Sci 2003 Mar;20(3):339-44

Laboratory of Theriogenology, Faculty of Agriculture, Gifu University, Gifu, Japan.

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http://dx.doi.org/10.2108/zsj.20.339DOI Listing
March 2003

Sex identification of Japanese black bear, Ursus thibetanus japonicus, by PCR based on amelogenin gene.

J Vet Med Sci 2002 Jun;64(6):505-8

United Graduate School of Veterinary Science, Faculty of Agriculture, Gifu University, Japan.

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June 2002