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Author |
Johnston, L.A.; Donoghue, A.M.; O'Brien, S.J.; Wildt, D.E. |
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Title |
Rescue and maturation in vitro of follicular oocytes collected from nondomestic felid species |
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Journal Article |
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Year |
1991 |
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Biol Reprod |
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45 |
Issue |
6 |
Pages |
898-906 |
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Keywords |
Animal; Carnivora; anatomy; histology; physiology; Cells; Cultured; Female; Fertilization; Vitro; inVitro; Male; Oocytes; cytology; growth; development; ovarian; Follicle; Spermatozoa; Support; Non-U.S.Gov't; U.S.Gov't; P.H.S.; browse; non; us; gov't; government; 230 |
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The potential for rescuing immature oocytes from the ovaries of females of rare felid species which die or undergo medical ovariohysterectomy was evaluated. Ovaries were recovered from 13 species representing 35 individuals in good-to-poor health. Although the majority of females were 10 yr of age or older and in fair-to-poor health, a total of 846 oocytes were recovered of which 608 (71.9%) were classified as fair-to- excellent quality. One hundred of these oocytes were used for initial maturation classification and as parthogenetic controls. Overall, of the 508 fair-to-excellent quality oocytes placed in culture, 164 (32.3%) matured to metaphase II in vitro. For species in which 3 or more individuals yielded oocytes, mean oocyte maturation rates were as follows: 36.2%, tiger; 27.9% leopard; and 8.3%, cheetah. In vitro insemination of oocytes resulted in fertilization (2 polar bodies, 2 pronuclei, or cleavage) rates of 9.1% to 28.6% (leopard) using homologous fresh spermatozoa and 4.0% (lion) to 40.0% (puma) using homologous frozen-thawed spermatozoa. Inseminations using heterologous (domestic cat) spermatozoa also resulted in fertilized oocytes in the tiger, leopard, snow leopard, puma, serval, and Geoffroy's cat (range in fertilization rate, 5.0% for leopard to 46.2% for puma). Cleaved embryos resulted from the insemination of leopard oocytes with homologous sperm (n = 1 embryo) and puma oocytes with domestic cat sperm (n = 3 embryos). These results demonstrate that immature ovarian oocytes from rare felid species can be stimulated to mature in vitro despite an excision-to-culture interval as long as 36 h.(ABSTRACT TRUNCATED AT 250 WORDS) |
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0006-3363 |
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SLN @ rana @ 172 |
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503 |
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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 |
Abbreviated Journal |
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Volume |
102 |
Issue |
1 |
Pages |
229-236 |
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Keywords |
Animal; Carnivora; physiology; Comparative; study; Fsh; Blood; Gonadotropins; Pituitary; Lh; Male; Seasons; Semen; Sperm; Motility; Spermatozoa; cytology; Testosterone; browse; 180 |
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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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SLN @ rana @ 252 |
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504 |
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Author |
Kamelin, R.V. |
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Title |
Gissar Nature Reserve. The reserves in Middle Asia and Kazakstan |
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Book Whole |
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1990 |
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kazakstan; asia; Gissar; reserves; reserve; park; parks; refuge; protected-area; Kazakhstan; browse; protected area; 2570; Russian |
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Moscow |
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Russian |
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SLN @ rana @ 162 |
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513 |
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Author |
Karesh, W.B.; Kunz, L.L. |
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Title |
Bilateral testicular seminoma in a snow leopard |
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1986 |
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J Am Vet Med Assoc |
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189 |
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9 |
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1201 |
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Animal; Carnivora; Case Report; Dysgerminoma; pathology; veterinary; Male; Testicular; neoplasms; Testis; browse; 300 |
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0003-1488 |
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Document Type: eng |
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SLN @ rana @ 98 |
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514 |
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Karesh, W.B.; Russell, R. |
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Ovarian dysgerminoma in a snow leopard (Panthera uncia) |
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Journal Article |
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1988 |
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Journal Of Zoo Animal Medicine |
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19 |
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4 |
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223-225 |
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medicine; ovarian; Dysgerminoma; veterinary; medical; zoos; zoo; browse; 1520 |
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Notes |
Addresses:KARESH WB, WOODLAND PK ZOOLOG GARDENS,5500 PHINNEY AVE N,SEATTLE,WA 98103UNIV WASHINGTON,DIV ANIM MED,SEATTLE,WA 98195 Publisher:AMER ASSOC Z00 VETERINARIANS, MEDIA Document Type: English |
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SLN @ rana @ 115 |
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515 |
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Karesh, W.B.; Asterino, R. |
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Mandibular osteomyelitis in a snow leopard (Panthera-uncia) with a review of osteomyelitis in other species and man |
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Journal Article |
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1988 |
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Journal Of Zoo Animal Medicine |
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19 |
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3 |
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137-142 |
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osteomyelitis; veterinary; medical; medicine; zoo; zoos; browse; 1540 |
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Addresses:KARESH WB, WOODLAND PK ZOOL GARDENS,5500 PHINNEY AVE N,SEATTLE,WA 98103AVIAN & EXOT ANIM HOSP,HAWTHORNE,CA Publisher:AMER ASSOC Z00 VETERINARIANS, MEDIA Document Type: English |
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SLN @ rana @ 132 |
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516 |
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Kazensky, C.A.; Munson, L.; Seal, U.S. |
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Title |
The effects of melengestrol acetate on the ovaries of captive wild felids |
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Journal Article |
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1998 |
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Journal-of-Zoo-and-Wildlife-Medicine |
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29 |
Issue |
1 |
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1-5 |
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Mga; zoo; felids; contraception; Melengestrol-acetate; ovaries; snow-leopard; Panthera-uncia; snow leopard; browse; uncia; panthera; melengestrol; acetate; 1260; effects; study; ovarian; Ovary; captive; wild; wild felid; Wild-Felid; species; Follicle; Cats; cat; recent; Ovulation; doses; Dose; action; Progestin; Disease; veterinary |
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Melengestrol acetate (MGA) is the most widely used contraceptive in zoo felids, but the mechanism of contraception and the pathologic effects have not been investigated. For this study, the effects of MGA on folliculogenesis were assessed, and the association of MGA with ovarian lesions was evaluated. Comparisons were made among the histopathologic findings in the ovaries from 88 captive wild felids (representing 15 species) divided into three groups: 37 currently contracepted with MGA, eight previously exposed to MGA, and 43 never contracepted. Ninety-one percent of the felids evaluated had tertiary follicles, and no differences were noted between contracepted and uncontracepted cats. Some MGA-contracepted cats also had corpora lutea indicating recent ovulation. These results indicate that folliculogenesis is not suppressed by current doses of MGA and ovulation occurred in some cats. Therefore, the contraceptive actions of MGA do not occur by suppressing folliculogenesis, and MGA-contracepted felids likely have endogenous estrogens that may confound progestin effects on the uterus. Cystic rete ovarii was the most common pathologic finding, but they were not more prevalent in MGA-contracepted cats. These findings indicate that MGA is not associated with ovarian disease, including ovarian cancer, in contrast to the uterine lesions noted in MGA-treated cats. |
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Document Type: English. Affiliation: Taylor Veterinary Hospital, Turlock , California 95382, USA |
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SLN @ rana @ 348 |
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527 |
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Author |
Keen, B. |
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Title |
The snow leopard (illicit furs) |
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Journal Article |
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1984 |
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New Statesman |
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107 |
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20 |
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Keywords |
fur; coat; poaching; conservation; browse; 1200 |
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SLN @ rana @ 72 |
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528 |
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Kinsel, M.J.; Kovarik, P.; Murnane, R.D. |
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Title |
Gastric spiral bacteria in small felids |
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Journal Article |
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1998 |
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Journal-of-Zoo-and-Wildlife-Medicine |
Abbreviated Journal |
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29 |
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2 |
Pages |
214-220 |
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Gastric-spinal-bacteria; snow-leopard; medical; zoo; snow leopard; browse; gastric; spinal; bacteria; 1270 |
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Abstract |
Nine small cats, including one bobcat (Felis rufus), one Pallas cat (F. manul), one Canada lynx (F. lynx canadensis), two fishing cats (F. viverrina), two margays (F. wiedii), and two sand cats (F. margarita), necropsied between June 1995 and March 1997 had large numbers of gastric spiral bacteria, whereas five large cats, including one African lion (Panthera leo), two snow leopards (P. uncia), one Siberian tiger (P. tigris altaica), and one jaguar (P. onca), necropsied during the same period had none. All of the spiral organisms from the nine small cats were histologically and ultrastructurally similar. Histologically, the spiral bacteria were 5-14 mum long with five to nine coils per organism and were located both extracellularly within gastric glands and surface mucus, and intracellularly in parietal cells. Spiral bacteria in gastric mucosal scrapings from the Canada lynx, one fishing cat, and the two sand cats were gram negative and had corkscrew-like to tumbling motility when viewed with phase contrast microscopy. The bacteria were 0.5-0.7 mum wide, with a periodicity of 0.65-1.1 mum in all cats. Bipolar sheathed flagella were occasionally observed, and no periplasmic fibrils were seen. The bacteria were extracellular in parietal cell canaliculi and intracellular within parietal cells. Culture of mucosal scrapings from the Canada lynx and sand cats was unsuccessful. Based on morphology, motility, and cellular tropism, the bacteria were probably Helicobacter-like organisms. Although the two margays had moderate lymphoplasmacytic gastritis, the other cats lacked or had only mild gastric lymphoid infiltrates, suggesting that these organisms are either commensals or opportunistic pathogens. |
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Document Type: English |
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SLN @ rana @ 354 |
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534 |
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Author |
Kitchener, S.L.; Meritt; Rosenthal, M. |
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Title |
Observations on the breeding and husbandry of snow leopards, Panthera uncia |
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Journal Article |
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1975 |
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Int.Zoo Yearbook |
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15 |
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212-217 |
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breeding; husbandry; behavior; captivity; zoos; zoo; browse; 3640; Adult; care; biology; growth; mortality; factor; young; snow; snow leopards; snow leopard; snow-leopards; snow-leopard; leopards; leopard; program; park |
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Describes adult care and breeding biology, and the care, growth, and mortality factors of young snow leopards in a successful breeding program in the Lincon Park Zoo, Chicago, Illinois. |
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SLN @ rana @ 31 |
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535 |
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