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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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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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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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SLN @ rana @ 251 |
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198 |
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Cunha, S.F. |
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Title |
Summits, snow leopards, farmers, and fighters: Will politics prevent a national park in the high Pamirs of Tajikistan? |
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Year |
1994 |
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Focus; New York |
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44 |
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1 |
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17-22 |
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Tajikistan; Russia; Pamir; park; refuge; reserve; herders; poaching; livestock; herder; siberia; parks; protected-areas; reserves; browse; protected; area; areas; 1160 |
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Tajikistan is the smallest, poorest and one of the most culturally diverse of the former Soviet Republics. The physical and cultural geography of the Pamir Mountains in Tajikistan are described, and recent legislative action taken to create a proposed park and civil strife that may stop the park's creation are discussed. |
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Article is only partly legible. |
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SLN @ rana @ 255 |
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228 |
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Du, Z. |
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Proceedings of International Symposium on the Karakorum and Kunlun Mountains |
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1994 |
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5690 |
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China Meteorological Press |
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Beijing |
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SLN @ rana @ 553 |
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246 |
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Author |
Emanoil, M. |
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Title |
Snow leopard: Uncia (panthers) uncia |
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1994 |
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Encyclopedia of Endangered Species |
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205-206 |
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endangered; endangered species; snow leopard; uncia |
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IUCN, Gale Research Inc. |
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Emanoil, M. |
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SLN @ rana @ 963 |
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253 |
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Oli, M.K.; Taylor, I.R.; Rogers, M.E. |
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Title |
Snow leopard Panthera unica predation of livestock: An assessment of local perceptions in the Annapurna Conservation Area, Nepal |
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1994 |
Publication |
Biological Conservation |
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68 |
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1 |
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63-68 |
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predation; livestock; herders; goat; sheep; oxen; horse; Panthera-uncia; Nepal; snow-leopard; Annapurna-Conservation-Area; public attitudes; snow leopard; browse; panthera uncia; uncia; panthera; annapurna conservation area; annapurna; conservation; area; public; attitudes; 750 |
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Public attitudes towards snow leopard Panthera uncia predation of domestic livestock were investigated by a questionnaire survey of four villages in snow leopard habitat within the Annapurna Conservation Area, Nepal. Most local inhabitants were subsistence farmers, many dependent upon yaks, oxen, horses and goats, with an average livestock holding of 26.6 animals per household. Reported losses to snow leopards averaged 0.6 and 0.7 animals per household in two years of study, constituting 2.6% of total stockholding but representing in monetary terms almost a quarter of the average annual Nepali national per capita income. Local people held strongly negative attitudes towards snow leopards and most suggested that total extermination of leopards was the only acceptable solution to the predation problem. Snow leopards were reported to be killed by herdsmen in defence of their livestock. The long-term success of snow leopard conservation programmes may depend upon the satisfactory resolution of the predation conflict. Some possible ways of reducing predation losses are also discussed. |
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Document Type: English
Call Number: S900 .B5 |
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SLN @ rana @ 237 |
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747 |
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Roth, T.L.; Howard, J.G.; Donoghue, A.M.; Swanson, W.F.; Wildt, D.E. |
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Function and culture requirements of snow leopard (Panthera uncia) spermatozoa in vitro |
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1994 |
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J Reprod Fertil |
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101 |
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3 |
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563-569 |
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Animal; Carnivora; physiology; Cell; survival; Cells; Cultured; Comparative; study; Culture; Media; Female; Male; Pentoxifylline; Sperm; Motility; Ovum; Interactions; Spermatozoa; cytology; Support; Non-U.S.Gov't; U.S.Gov't; P.H.S.; browse; non; us; gov't; government; 190 |
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Electroejaculates from eight snow leopards were used to determine how the motility of spermatozoa was influenced by (i) type of media (Ham's F10, PBS, human tubal fluid or RPMI-1640); (ii) holding temperature (23 degrees C versus 37 degrees C); (iii) washing of spermatozoa and (iv) a sperm metabolic enhancer, pentoxifylline. The duration of sperm motility was assessed by evaluating samples in each treatment every hour for 6 h and a sperm motility index (a value combining percentage sperm motility and rate of forward progression) calculated. Spermatozoa from the Ham's F10, PBS and PBS plus pentoxifylline treatments were also co-incubated with zona-intact, domestic cat eggs that were fixed and evaluated for spermatozoa bound to the zona pellucida, penetrating the outer and inner layers of the zona pellucida and within the perivitelline space. During the 6 h co-incubation, the sperm motility index in PBS with pentoxifylline was greater (P < 0.05) than in PBS alone which, in turn, was greater (P < 0.05) than in the other three test media. Washing the spermatozoa enhanced (P < 0.05) motility in both PBS and PBS plus pentoxifylline relative to unwashed samples, but there was no effect (P > 0.05) of holding temperature. Pentoxifylline supplementation enhanced (P < 0.05) the proportion of cat eggs with bound, but not penetrated, snow leopard spermatozoa in the inner layer of the zona pellucida, and there were no spermatozoa in the perivitelline space.(ABSTRACT TRUNCATED AT 250 WORDS) |
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0022-4251 |
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Document Type: eng |
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SLN @ rana @ 253 |
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828 |
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Author |
Rasool, G. |
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The status of management of protected areas in the Northern Areas of Pakistan |
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1994 |
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Tigerpaper |
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Xxi |
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1 |
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23-26 |
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parks; Pakistan; park; reserves; reserve; refuge; status; protected-area; browse; protected area; protected areas; area; areas; protected; 2120 |
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SLN @ rana @ 241 |
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808 |
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Author |
Maity, B.; Chakraborty, G.; Pradhan, K.K. |
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Title |
Toxocariasis in snow leopard (Panthera unica) |
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1994 |
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Indian Veterinary Journal |
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71 |
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5 |
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499-501 |
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toxocariasis; India; captivity; zoo; medical; medicine; veterinary; browse; 1410 |
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Spontaneous occurrence of toxocariasis (Toxocaracati) in captive snow leopards with symptoms of diarrhoea, general malaise, letherapy, dehydration, partial or complete anorexia, vomiting with or without expulsion of the ascarid is reported. Response to anthelmintic drug pyrantal pamoate along with antibacterial drug sulphadimethyl pyrimidine and supportive therapy is recorded. |
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Document Type: English |
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SLN @ rana @ 238 |
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639 |
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Author |
McCarthy, T. |
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Update: Mongolia |
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1994 |
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Snow Line |
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Xii |
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1 |
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3-4 |
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conservation; ecology; Mongolia; snow leopard |
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International Snow Leopard Trust |
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SLN @ rana @ 239 |
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654 |
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Author |
Oli, M. |
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Title |
Snow leopards and blue sheep in Nepal: Densities and predator: Prey ratio |
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Miscellaneous |
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1994 |
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Journal of Mammalogy |
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75 |
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998-1004 |
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snow leopard,Panthera uncia,blue sheep,Pseudois nayaur,density,predator:prey ratio,harvest rate,livestock predation,Nepal |
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I studied snow leopards (Panthera uncia) and blue sheep (Pseudois nayaur) in Manang District, Annapurna Conservation Area, Nepal, to estimate numbers and analyze predatorprey interactions. Five to seven adult leopards used the 105-km2 study area, a density of 4.8 to 6.7 leopards/100 km2. Density of blue sheep was 6.6-10.2 sheep/km2, and biomass density was 304 kg/km2. Estimated relative biomass consumed by snow leopards suggested that blue sheep were the most important prey; marmots (Marmota himalayana) also contributed significantly to the diet of snow leopards. Snow leopards in Manang were estimated to harvest 9-20% of total biomass and 11-24% of total number of blue sheep annually. Snow leopard :blue sheep ratio was 1 :1 14-1 :159 on a weight basis, which was considered sustainable given the importance of small mammals in the leopard's diet and the absence of other competing predators. |
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SLN @ rana @ 894 |
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741 |
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