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Author |
Wildt, D.; Pukazhenthi, B.; Brown, J.; Monfort, S.; Howard, J.; Roth, T. |
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Title |
Spermatology for understanding, managing and conserving rare species |
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Journal Article |
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Year |
1995 |
Publication |
Reproduction Fertility and Development |
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7 |
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4 |
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811-824 |
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Assisted-Reproduction; Cryopreservation; reproduction; zoo; medical; veterinary; spermatology; genetics; browse; assisted; 1380 |
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Most conventional spermatology research involves common mammalian species including livestock, laboratory animals and humans. Yet, there are more than 4500 mammalian species inhabiting the planet for which little is known about basic reproductive biology, including sperm characteristics and function. This information is important, not just as adjunct knowledge, but because the majority of these species are threatened with extinction, largely due to human-induced pressures. The field of conservation is changing rapidly, and global cooperation is emerging among a variety of wildlife enthusiasts, ranging from management authorities of nature reserves to curators of rare zoological collections. Conservation progress depends on systematic, multidisciplinary research first to answer basic questions, with new data then applied to endangered species management plans. The reproductive physiologist is a crucial component of this scheme. Reproduction is the essence of species survival, and enormous effort needs to be directed at these 'untraditional' research species, subspecies and populations. Spermatology research combined with simultaneous efforts in endocrinology, embryology and cryopreservation (among others) can lead to the successful application of assisted reproduction. Examples from this laboratory include an array of wild felid species and a rare cervid and mustelid. Obstacles to success are formidable, including unique species-specificities, diminished genetic diversity and a general lack of resources. Nonetheless, the field offers tremendous opportunities for generating unique knowledge of comparative interest and with conservation utility. |
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Document Type: English |
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SLN @ rana @ 278 |
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1024 |
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Author |
Chandra, S.; Laughlin, D.C. |
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Title |
Virus-like particles in cystic mammary adenoma of a snow leopard |
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Journal Article |
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Year |
1975 |
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Cancer Res |
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35 |
Issue |
11 Pt 1 |
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3069-3074 |
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Adenoma pathology veterinary; Animal; Animals; zoo; Carnivora; Cytoplasmic Granules; Endoplasmic Reticulum: ultrastructure; Inclusion Bodies; Mammae: pathology; Neoplasms: pathology: veterinary; neoplasms; pathology; mammae; inclusion; bodies; ultrastructure; reticulum; endoplasmic; granules; cytoplasmic; adenoma; veterinary; browse; 380 |
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Virus-like particles were observed in the giant cells of a mammary adenoma of a snow leopard kept in captivity. Particles that measured 115 to 125 nm in diameter budded from the lamella of endoplasmic reticulum and were studded on their inner surfaces with dense granules (approximately 12 nm) that gave them their unique ultrastructural morphology. Such particles were not observed extracellularly. Type B or type C particles were not seen in the tumor tissue. |
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0008-5472 |
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Document Type: eng |
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SLN @ rana @ 27 |
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212 |
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Xuedong, X.; Jackson, R.; Zongyi, W. |
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Title |
Herd characteristics and habitat use of a blue sheep population in the Qomolangma Nature Preserve |
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Conference Article |
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1994 |
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97-104 |
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Nepal; prey; Qomolangma; protected-area; parks; reserves; refuge; blue-sheep; habitat; Pseudois-nayaur; blue; sheep; browse; protected; area; protected area; 3480 |
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Islt |
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Usa |
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J.L.Fox; D.Jizeng |
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Full text at URLTitle, Monographic: Seventh International Snow Leopard SymposiumPlace of Meeting: ChinaDate of Copyright: 1994 |
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SLN @ rana @ 263 |
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1041 |
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Johnston, L.A.; Armstrong, D.L.; Brown, J.L. |
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Title |
Seasonal effects on seminal and endocrine traits in the captive snow leopard (Panthera uncia) |
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Journal Article |
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Year |
1994 |
Publication |
J Reprod Fertil |
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102 |
Issue |
1 |
Pages |
229-236 |
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Animal; Carnivora; physiology; Comparative; study; Fsh; Blood; Gonadotropins; Pituitary; Lh; Male; Seasons; Semen; Sperm; Motility; Spermatozoa; cytology; Testosterone; browse; 180 |
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Abstract |
The annual reproductive cycle of the male snow leopard (Panthera uncia) was characterized by evaluating seminal and endocrine traits monthly. Testicular volume was greatest (P < 0.05) during the winter months when the quality of ejaculate was optimal. Ejaculate volume, total sperm concentration ml-1, motile sperm concentration per ejaculate, sperm morphology and sperm motility index were lowest during the summer and autumn months compared with the winter and spring. Peripheral LH, FSH and testosterone concentrations were also lowest during the summer months, increasing during the autumn just before the increase in semen quality, and were maximal during the winter months. There was a direct relationship (P < 0.01) between: (1) testosterone and testicular volume, total sperm concentration ml-1, motile sperm concentration per ejaculate and ejaculate volume, and (2) LH and testicular volume and motile sperm concentration per ejaculate. In summary, although spermatozoa were recovered throughout the year, optimal gamete quality was observed during the winter and spring. Although previous studies in felids have demonstrated seasonal effects on either seminal or endocrine traits, this is the first study to demonstrate a distinct effect of season on both pituitary and testicular function. |
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0022-4251 |
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Document Type: eng |
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SLN @ rana @ 252 |
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504 |
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Author |
Ranjitsinh, M.K. |
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Title |
Parks, people and the snow leopard: the Indian Endeavor |
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Conference Article |
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Year |
1994 |
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289-296 |
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Keywords |
India; protected-areas; parks; reserves; refuge; people; livestock; herders; economics; conservation; Wwf; Jammu; Kashmir; browse; protected; areas; 3800 |
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Islt |
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Usa |
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J.L.Fox; D.Jizeng |
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Full Text at URLTitle, Monographic: Seventh International Snow Leopard SymposiumPlace of Meeting: ChinaDate of Copyright: 1994 |
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SLN @ rana @ 248 |
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805 |
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Miller, D.J.; Jackson, R. |
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Title |
Livestock and Snow Leopards:making room for competing users on the Tibetian Plateau |
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Conference Article |
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1994 |
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315-328 |
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livestock; Tibet; herder; herders; predator; prey; protected-areas; parks; reserves; refuge; Tibetian-Plateau; ungulates; wild-yak; blue-sheep; pika; marmots; gazelle; antelope; Qomolangma; Namcha-Barwa; Chang-Tang; habitat; grazing; wolves; pens; enclosures; bounties; bounty; pelts; skins; coats; furs; poisoning; medicine; bones; land-use; conservation; ecology; blue; sheep; browse; tibetian; plateau; wild; yak; namcha; barwa; change; tang; land use; land; 2800 |
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Islt |
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Usa |
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J.L.Fox; D.Jizeng |
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Full Text at URLTitle, Monographic: Seventh International Snow Leopard SymposiumPlace of Meeting: ChinaDate of Copyright: 1994 |
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SLN @ rana @ 244 |
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676 |
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Author |
Jizeng, D.; Ji-peng, J.; Chang-xin, Z.; Freeman, H. |
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Title |
Opening Remarks to Seventh International Snow Leopard Symposium |
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Conference Article |
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Year |
1994 |
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conservation; ecology; biology; habitat; protected-areas; parks; reserves; preserves; refuge; zoos; captivity; breeding; distribution; status; Russia; Soviet-Union; Ussr; Afghanistan; Mongolia; Pakistan; Nepal; India; China; Tajikistan; Kazakhstan; Qinghai; Tibet; kazakstan; browse; protected; area; soviet; union; 3780 |
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Islt |
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Usa |
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J.L.Fox; D.Jizeng |
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Full Text at URLTitle, Monographic: Seventh International Snow Leopard SymposiumPlace of Meeting: ChinaDate of Copyright: 1994 |
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SLN @ rana @ 234 |
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497 |
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Freeman, H.; Jackson, R.; Hillard, R.; Hunter, D.O. |
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Title |
Project Snow Leopard: a multinational program spearheaded by the International Snow Leopard Trust |
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Conference Article |
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1994 |
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241-245 |
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Project-snow-leopard; biodiversity; conservation; protected-areas; parks; park; refuge; reserve; habitat; status; predator; prey; livestock; herders; poaching; hunting; skins; pelts; coats; fur; bones; medicine; management; livestock-depredation; trade; corridors; trans-boundry; project; protected-area; protected; area; areas; livestock depredation; depredation; browse; 2780 |
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Islt |
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Usa |
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J.L.Fox; Jizeng, D. |
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Full Text at URLTitle, Monographic: Seventh International Snow Leopard SymposiumPlace of Meeting: ChinaDate of Copyright: 1994 |
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SLN @ rana @ 221 |
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324 |
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Oli, M.K. |
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A key for the identification of the hair of mammals of a snow leopard (Panthera uncia) habitat in Nepal |
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Journal Article |
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1993 |
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Journal of Zoology London |
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231 |
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1 |
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71-93 |
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Nepal; snow leopard; scats; Hair; diet; identification; Panthera-uncia; browse; panthera uncia; panthera; uncia; 780 |
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Analysis of prey remains in scats, particularly hairs, in widely used to study diet of mammalian predators, but identification of hair is often difficult because hair structures vary considerably both within and between species. Use of photographic reference of diagnostically important hair structures from mammals occurring in a predator's habitat has been found to be convenient for routine identification. A photographic reference key was developed for the identification of hairs of the mammals known to occur in a snow leopard (Panthera uncia) habitat in the Annapurna Conservation Area, Nepal. The key included a photographic reference of the diagnostic hair structures of nine species of wild and five species of domestic mammals. The cross-sectional appearance, shape and arrangement of medulla, the ratio of cortex to medulla, and the form and distribution of pigment in medulla and cortex were important diagnostic aids in the identification of hairs. |
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Document Type: English
Call Number: QL1 .J879 |
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SLN @ rana @ 207 |
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745 |
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Author |
Ale, S. |
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Conservation of the snow leopard in Nepal |
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Miscellaneous |
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Nepal; radio-collars; tracking; Annapurna-Conservation-Area; protected-areas; parks; reserves; refuge; conservation; livestock; religion; folklore; blue-sheep; blue; sheep; browse; radio collars; radio; collar; collars; annapurna conservation area; annapurna; area; protected; areas; 4080 |
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Full text available at URL |
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SLN @ rana @ 2 |
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51 |
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