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Author |
Brown, J.L.; Wasser, S.K.; Wildt, D.E.; Graham, L.H. |
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Title |
Comparative Aspects of Steroid Hormone Metabolism and Ovarian Activity in Felids, Measured Noninvasively in Feces |
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Journal Article |
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Year |
1994 |
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Biol Reprod |
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51 |
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4 |
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776-786 |
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Animal; Carbon; Radioisotopes; Carnivora; Cats; Chromatography; High; Pressure; Liquid; Comparative Study; Estradiol; metabolism; Estrone; feces; chemistry; Female; Ovary; physiology; Pregnancy; Progesterone; Pseudopregnancy; Support; Non-U.S.Gov't; browse; non; government; gov't; us; 170 |
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Abstract |
Noninvasive fecal assays were used to study steroid metabolism and ovarian activity in several felid species. Using the domestic cat (Felis catus) as model, the excretory products of injected [14C]estradiol (E2) and [14C]progesterone (P4) were determined. Within 2 days, 97.0 +/- 0.6% and 96.7 +/- 0.5% of recovered E2 and P4 radioactivity, respectively, was found in feces. E2 was excreted as unconjugated estradiol and estrone (40%) and as a non-enzyme- hydrolyzable conjugate (60%). P4 was excreted primarily as non-enzyme- hydrolyzable, conjugated metabolites (78%) and as unconjugated pregnenolone epimers. A simple method for extracting fecal steroid metabolites optimized extraction efficiencies of the E2 and P4 excretion products (90.1 +/- 0.8% and 87.2 +/- 1.4%, respectively). Analysis of HPLC fractions of extracted fecal samples from the radiolabel-injected domestic cats revealed that E2 immunoreactivity coincided primarily with the unconjugated metabolized [14C]E2 peak, whereas progestogen immunoreactivity coincided with a single conjugated epimer and multiple unconjugated pregnenolone epimers. After HPLC separation, similar immunoreactive E2 and P4 metabolite profiles were observed in the leopard cat (F. bengalensis), cheetah (Acinonyx jubatus), clouded leopard (Neofelis nebulosa), and snow leopard (Panthera uncia). Longitudinal analyses demonstrated that changes in fecal E2 and P4 metabolite concentrations reflected natural or artificially induced ovarian activity. For example, severalfold increases in E2 excretion were associated with overt estrus or exogenous gonadotropin treatment, and elevated fecal P4 metabolite concentrations occurred during pregnant and nonpregnant (pseudopregnant) luteal phases. Although overall concentrations were similar, the duration of elevated fecal P4 metabolites during pseudopregnancy was approximately half that observed during pregnancy. In summary, steroid metabolism mechanisms appear to be conserved among these physically diverse, taxonomically related species. Results indicate that this hormone-monitoring approach will be extremely useful for elucidating the hormonal regulatory mechanism associated with the reproductive cycle, pregnancy, and parturition of intractable and endangered felid species. |
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0006-3363 |
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Document Type: eng |
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SLN @ rana @ 251 |
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198 |
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Author |
Brown, M. |
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Title |
Community-Based Natural Resources Management in Snow Leopard Habitat |
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Conference Article |
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1997 |
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146-147 |
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conservation; habitat; tourism; livestock; herders; herder; predator; prey; management; browse; 2940 |
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Islt |
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Lahore, Pakistan |
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R.Jackson; A.Ahmad |
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Full Text at URLTitle, Monographic: Eighth International Snow Leopard SymposiumPlace of Meeting: Islamabad, PakistanDate of Copyright: 1997 |
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SLN @ rana @ 303 |
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199 |
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Author |
Brunstein, L. |
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Title |
Handrearing Snow Leopards in the Cheyenne Mountain Zoo |
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1978 |
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Int.Ped.Book of Snow Leopards |
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1 |
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44-49 |
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hand-rearing; hand; rearing; cubs; bottle; feeding; diet; browse; 3580 |
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SLN @ rana @ 43 |
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200 |
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Burrard, G. |
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Title |
Big Game Hunting in the Himalayas and Tibet |
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1925 |
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hunting; big-game; Tibet; Himalayas; browse; big; game; 1860 |
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H. Jenkinns |
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London |
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SLN @ rana @ 11 |
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203 |
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Author |
Buzurukov, A.; Muratov, R. |
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Title |
Snow Leopard Conservation Tajikistan |
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Conference Article |
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Year |
1994 |
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29-32 |
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Tajikistan; livestock; herder; herders; predator; prey; ibex; hunting; poaching; Marco-Polo-sheep; Pamir; parks; park; reserve; reserves; refuge; skin; pelt; coat; fur; Cites; protected; area; Ussr; Russia; Soviet-Union; Afghanistan; urial; markhor; status; distribution; habitat; Shugnan; Rushan; Tajik; protected-area; browse; marco polo sheep; marco polo; Marco-Polo; soviet; union; soviet union; protected area; protected areas; areas; 3020 |
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Inst |
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Usa |
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J.L.Fox; D.Jizeng |
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full text available at URLTitle, Monographic: Seventh International Snow Leopard SymposiumPlace of Meeting: ChinaDate of Copyright: 1994 |
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SLN @ rana @ 159 |
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204 |
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Author |
Cai, G.; Liu, Y.; O'Gara, B.W. |
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Title |
Observations of large mammals in the Qaidam Basin and its peripheral mountainous area in the Peoples Republic of China |
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Journal Article |
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1990 |
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Canadadian J.Zool. |
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68 |
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2021-2024 |
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China; Qaidam; browse; 3340 |
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SLN @ rana @ 156 |
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206 |
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Calle, P.P.; Colter, S.B.; Taylor, R.A.; Wright, A.M. |
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Title |
Extramedullary thoracolumbar fungal (scopulariopsis-brumptii) abscesses in 2 snow leopard (Panthera-uncia) littermates |
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1989 |
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Journal of Zoo and Wildlife Medicine |
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20 |
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3 |
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346-353 |
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medecine; veterinary; medical; zoo; medicine; thoraclumbrar-fungal; browse; 1490 |
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Document Type: English |
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SLN @ rana @ 131 |
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207 |
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Author |
Cecil, R. |
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Title |
Educational Programming For Snow Leopard Conservation |
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Conference Article |
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1988 |
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247-248 |
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conservation; education; parks; zoo; zoos; browse; 1810 |
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International Snow Leopard Trust and Wildlife Institute of India |
Place of Publication |
India |
Editor |
H.Freeman |
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Full Text Available at URLTitle, Monographic: Fifth International Snow Leopard SymposiumPlace of Meeting: Srinagar, IndiaDate of Copyright: 1988 |
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SLN @ rana @ 108 |
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208 |
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Author |
Chakraborty, R.E.; Chakraborty, S. |
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Identification of dorsal guard hairs of Indian species of the genus Panthera Oken (Carnivora: Felidae) |
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1996 |
Publication |
Mammalia |
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60 |
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3 |
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480 |
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Keywords |
identification; India; hair-samples; guard; hairs; panthera; uncia; tigris; leo; pardus; browse; 660 |
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Dorsal guard hairs of four living Indian species of the genus Panthera, viz. P. tigris, P. leo, P. pardus and P. uncia have been studied. It is found that the characters are somewhat overlapping, but identification of the species may be possible from the combination of characters. |
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Document Type: English
Call Number: 599.05 MA |
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SLN @ rana @ 270 |
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209 |
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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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1975 |
Publication |
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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