Records |
Author |
Rieger, I.; Peters, G. |
Title |
Observations on the mating and vocal behavior of snow leopards (Uncia-uncia) in zoological garden |
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Journal Article |
Year |
1981 |
Publication |
Zeitschrift Fur Saugetierkunde International Journal of Mamamalian Biology |
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46 |
Issue |
1 |
Pages |
35-48 |
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mating; breeding; vocalization; zoos; zoo; veterinary; behavior; browse; 1570 |
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Publisher:GUSTAV FISCHER VERLAG, JENA Document Type: German |
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SLN @ rana @ 59 |
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821 |
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Author |
Riordan, P. |
Title |
Unsupervised recognition of individual tigers and snow leopards from their footprints |
Type |
Miscellaneous |
Year |
1998 |
Publication |
Animal Conservation |
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Volume |
1 |
Issue |
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Pages |
253-262 |
Keywords |
captive; panthera tigris; panthera uncia; snow leopard; techniques; tiger |
Abstract |
This study presents the testing of two unsupervised classification methods for their ability to accurately identify unknown individual tigers, Panthera tigris, and snow leopards, Panthera uncia, from their footprints. A neural-network based method, the Kohonen self-organizing map (SOM), and a Bayesian method, AutoClass, were assessed using hind footprints taken from captive animals under standardized conditions. AutoClass successfully discriminated individuals of both species from their footprints. Classification accuracy was greatest for tigers, with more misclassification of individuals occurring for snow leopards. Examination of variable influence on class formations failed to identify consistently influential measurements for either species. The self-organizing map did not provide accurate classification of individuals for either species. Results were not substantially improved by altering map dimensions nor by using principal components derived from the original data. The interpretation of resulting classifications and the importance of using such techniques in the study of wild animal populations are discussed. The need for further testing in the field is highlighted. |
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SLN @ rana @ 896 |
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823 |
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Author |
Rishi, V. |
Title |
Snow leopards breed at Darjeeling Zoo |
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Journal Article |
Year |
1989 |
Publication |
Zoo's Print |
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1-4 |
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India; snow leopard; zoo |
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SLN @ rana @ 988 |
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824 |
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Author |
Roberts, T.J. |
Title |
The Mammals of Pakistan |
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Book Whole |
Year |
1977 |
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Pakistan; ecology; status; distribution; browse; 2200 |
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Brief description of physical characteristics, ecology,status, and distribution of snow leopard in Pakistan |
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Ernest Benn |
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London and Tonbridge |
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156-158 |
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SLN @ rana @ 38 |
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825 |
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Author |
Rodenburg, W.F. |
Title |
The Trade in Wild Animal Furs in Afghanistan |
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Miscellaneous |
Year |
1977 |
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Afghanistan; pelts; hunting; poaching; pelt; coat; fur; skin; browse; 2480 |
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Estimated that 70-80 snow leopard pelts were traded annually at the Kabul bazaar. |
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UNDP/FAO Project Field Document AFG/74/016, Kabul.
Date of Copyright: 1977 |
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SLN @ rana @ 40 |
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826 |
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Author |
Rosenthal, M.; Ott, J.L. |
Title |
Snow Leopard Captive Mangement Survey |
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Book Whole |
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1988 |
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captivity; zoos; zoo; management; browse; 3680 |
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Lincon Park Zoological Gardens |
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Chicago |
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SLN @ rana @ 126 |
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827 |
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Author |
Roth, T.L.; Howard, J.G.; Donoghue, A.M.; Swanson, W.F.; Wildt, D.E. |
Title |
Function and culture requirements of snow leopard (Panthera uncia) spermatozoa in vitro |
Type |
Journal Article |
Year |
1994 |
Publication |
J Reprod Fertil |
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101 |
Issue |
3 |
Pages |
563-569 |
Keywords |
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 |
Roth, T.L.; Swanson, W.F.; Wildt, D.E. |
Title |
Snow leopard (Panthera unica) sperm longevity in vitro is not influenced by protein or energy source supplements but is affected by buffer source |
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Journal Article |
Year |
1995 |
Publication |
Theriogenology |
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43 |
Issue |
1 |
Pages |
309 |
Keywords |
genetics; Sperm; captivity; medical; medicine; veterinary; zoo; breeding; browse; 1400 |
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Annual Conference of the International Embryo Transfer Society, Calgary, Alberta, Canada, January 8-10, 1995
Document Type: English
Call Number: QP251 .T44 |
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SLN @ rana @ 280 |
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829 |
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Roth, T.L.; Armstrong, D.L.; Barrie, M.T.; Wildt, D.E. |
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Seasonal effects on ovarian responsiveness to exogenous gonadotrophins and successful artificial insemination in the snow leopard (Uncia uncia) |
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Journal Article |
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1997 |
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Reprod Fertil Dev |
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9 |
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3 |
Pages |
285-295 |
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Animal; Carnivora; anatomy; histology; Blood; physiology; Estradiol; Female; Gonadotropins; administration; dosage; pharmacology; Chorionic; Equine; Human; Insemination; artificial; methods; veterinary; Laparoscopy; Male; Oocytes; cytology; Ovary; drug; effects; Ovulation; Induction; Pregnancy; Progesterone; Seasons; Support; Non-U.S.Gov't; browse; non; us; gov't; government; 400 |
Abstract |
Ovaries of the seasonally-breeding snow leopard (Uncia uncia) were examined to determine whether they were responsive to exogenous gonadotrophins throughout the year. The potential of laparoscopic artificial insemination (AI) also was assessed for producing offspring. During the non-breeding, pre-breeding, breeding and post-breeding seasons, females (n = 20) were treated with a standardized, dual- hormone regimen given intramuscularly (600 I.U. of equine chorionic gonadotrophin followed 80-84 h later with 300 I.U. of human chorionic gonadotrophin (hCG)). Laparoscopy was performed 45-50 h after administration of hCG, and all ovarian structures were described. Females with fresh corpora lutea (CL) were inseminated, and anovulatory females were subjected to follicular aspiration to examine oocyte quality. Snow leopards responded to exogenous gonadotrophins throughout the year. Mean number of total ovarian structures (distinct follicles mature in appearance plus CL) did not differ (P > or = 0.05) with season, but the proportion of CL: total ovarian structures was greater (P < 0.01) for the breeding season compared with all other seasons. The proportion of females ovulating was greater (P < 0.05) during the breeding and post-breeding seasons than during the pre-breeding and non- breeding seasons respectively. No Grade-1 quality oocytes were recovered from follicles of anovulatory females. Serum concentrations of oestradiol-17 beta appeared elevated in all females, and neither oestradiol-17 beta concentrations nor progesterone concentrations differed (P > or = 0.05) among seasons. Of 15 females artificially inseminated, the only one that was inseminated in the non-breeding season became pregnant and delivered a single cub. This is the first successful pregnancy resulting from AI in this endangered species. |
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1031-3613 |
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Document Type: eng |
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SLN @ rana @ 325 |
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830 |
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Roth, T.L.; Swanson, W.F.; Wildt, D.E.; Collins, D.; Burton, M.; Garell, D.M. |
Title |
Snow leopard (Panthera uncia) spermatozoa are sensitive to alkaline pH, but motility in vitro is not influenced by protein or energy supplements |
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Miscellaneous |
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1996 |
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Journal of Andrology |
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17 |
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558-566 |
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Felid,comparative biology,sperm culture medium,sperm function,capacitation,sodium bicarbonate. |
Abstract |
To better understand the biology of snow leopard spermatozoa and to facilitate developing assisted reproduction, a series of studies was conducted to: 1) identify the component(s) of complex culture media responsible for the detrimental effect on sperm survival in vitro, 2) optimize medium for supporting sperm viability, and 3) evaluate sperm capacitation in vitro. Constituents of complex media were added systematically to phosphate-buffered saline (PBS) to isolate the factor(s) influencing snow leopard sperm motility in vitro. Sperm capacitation was also assessed following incubation in PBS with bovine serum albumin (BSA), fetal calf serum (FCS), or heparin. For maintaining sperm motility, there was no benefit (P ? 0.05) to supplementing PBS with low (5%) or high (20%) concentrations of snow leopard serum (SLS) versus FCS or BSA. Likewise, adding supplemental energy substrates (pyruvate, glucose, lactate, or glutamine) did not enhance or hinder (P ? 0.05) sperm motility. However, motility rapidly decreased (P < 0.05) with the addition of NaHCO3 to PBS or Ham's F10 nutrient mixture. Surprisingly, Ham's F10 with no buffering component or with both NaHCO3 and N-Z-hydroxyethylpiperazine-N'-2- ethanesulfonic acid (HEPES) maintained sperm motility at levels similar (P ? 0.05) to PBS. Although sperm motility in all treatments decreased with time, there was a strong inverse relationship (P < 0.01; r = 0.90) between motility and sample pH at 6 hours. Spermatozoa incubated in PBS containing FCS, BSA, or heparin did not undergo the acrosome reaction when exposed to calcium ionophore. In summary, alkaline pH has a profound detrimental effect on snow leopard sperm motility, and capacitation does not occur under conditions that normally promote this event in other felid species. These results clearly demonstrate a high degree of interspecific variation among felids in fundamental sperm function, and they provide evidence for the necessity of basic research when developing assisted reproduction in little-studied nondomestic species. |
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SLN @ rana @ 897 |
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831 |
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