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Author |
Johnston, L.A.; Armstrong, D.L.; Brown, J.L. |
Title |
Seasonal effects on seminal and endocrine traits in the captive snow leopard (Panthera uncia) |
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Journal Article |
Year |
1994 |
Publication |
J Reprod Fertil |
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102 |
Issue |
1 |
Pages |
229-236 |
Keywords |
Animal; Carnivora; physiology; Comparative; study; Fsh; Blood; Gonadotropins; Pituitary; Lh; Male; Seasons; Semen; Sperm; Motility; Spermatozoa; cytology; Testosterone; browse; 180 |
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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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 |
Abbreviated Journal |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
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 |
Abstract |
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 |
Oli, M.K. |
Title |
Snow leopards and blue sheep in Nepal: Densities and predator: prey ratio |
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Journal Article |
Year |
1994 |
Publication |
Journal of Mammalogy |
Abbreviated Journal |
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75 |
Issue |
4 |
Pages |
998-1004 |
Keywords |
Nepal; blue-sheep; prey; livestock; predation; blue; sheep; browse; 740; snow; snow leopards; snow leopard; snow-leopards; snow-leopard; leopards; leopard; blue sheep; densities; density; predator |
Abstract |
I studied snow leopards (Panthera uncia) and blue sheep (Pseudois nayaur) in Manang District, Annapurna Conservation Area, Nepal, to estimate numbers and analyze predator-prey interactions. Five to seven adult leopards used the 10-5-km-2 study area, a density of 4.8 to 6.7 leopards/100 km-2. Density of blue sheep was 6.6 10.2 sheep/km-2, and biomass density was 304 kg/km-2. Estimated relative biomass consumed by snow leopards suggested that blue sheep were the most important prey; marmots (Marmota himalayana) also contributed significantly to the diel 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 1:114-1:159 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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Document Type: English
Call Number: 599.05 JO |
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SLN @ rana @ 236 |
Serial |
746 |
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Author |
Oli, M. |
Title |
Snow leopards and blue sheep in Nepal: Densities and predator: Prey ratio |
Type |
Miscellaneous |
Year |
1994 |
Publication |
Journal of Mammalogy |
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75 |
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998-1004 |
Keywords |
snow leopard,Panthera uncia,blue sheep,Pseudois nayaur,density,predator:prey ratio,harvest rate,livestock predation,Nepal |
Abstract |
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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Call Number |
SLN @ rana @ 894 |
Serial |
741 |
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Author |
Maity, B.; Chakraborty, G.; Pradhan, K.K. |
Title |
Toxocariasis in snow leopard (Panthera unica) |
Type |
Journal Article |
Year |
1994 |
Publication |
Indian Veterinary Journal |
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71 |
Issue |
5 |
Pages |
499-501 |
Keywords |
toxocariasis; India; captivity; zoo; medical; medicine; veterinary; browse; 1410 |
Abstract |
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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Oli, M.K.; Taylor, K.R.; Rogers, M.E. |
Title |
Snow leopard Panthera uncia predation of livestock: An assessment of local perceptions in the Annapurna Conservation Area, Nepal |
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Miscellaneous |
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1994 |
Publication |
Biological Conservation |
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68 |
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63-68 |
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snow leopard,blue sheep,livestock predation,public attitudes,Annapurna Conservation Area,Nepal. |
Abstract |
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 O. 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 hem 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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SLN @ rana @ 893 |
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753 |
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Author |
Oli, M.K.; Taylor, I.R.; Rogers, M.E. |
Title |
Snow leopard Panthera unica predation of livestock: An assessment of local perceptions in the Annapurna Conservation Area, Nepal |
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Journal Article |
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1994 |
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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 |
Abstract |
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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Brown, J.L.; Wasser, S.K.; Wildt, D.E.; Graham, L.H. |
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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1994 |
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Biol Reprod |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
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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Document Type: eng |
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SLN @ rana @ 251 |
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198 |
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Brown, J.L.; Wasser, S.K.; Wildt, D.E.; Graham, L.H. |
Title |
Steroid Metabolism and the Effectiveness of Fecal Assays for Assessing Reproductive Status in Felids |
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1994 |
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Biology of Reproduction |
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50 |
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suppl 1 |
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185 |
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fecal-analysis; breeding; reproduction; medicine; medical; zoo; zoos; veterinary; snow-leopard; snow leopard; browse; fecal; analysis; 1420 |
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Twenty-seventh Annual Meeting of the Society for the Study of Reproduction, Ann Arbor, Michigan, USA, July 24-27, 1994
Call Number: QP251 .B56 |
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SLN @ rana @ 203 |
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197 |
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Cunha, S.F. |
Title |
Summits, snow leopards, farmers, and fighters: Will politics prevent a national park in the high Pamirs of Tajikistan? |
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Journal Article |
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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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