| fatal transplacental neosporosis in a deer (cervus eldi siamensis). | neospora caninum tissue cysts were found in sections of the brain from a full-term stillborn deer of eld (cervus eldi siamensis) from a zoo in france. there was n. caninum-associated nonsuppurative encephalitis and the diagnosis was confirmed in immunohistochemical staining with antibodies specific to n. caninum. | 1996 | 8604111 |
| fatal transplacental neosporosis in a deer (cervus eldi siamensis). | neospora caninum tissue cysts were found in sections of the brain from a full-term stillborn deer of eld (cervus eldi siamensis) from a zoo in france. there was n. caninum-associated nonsuppurative encephalitis and the diagnosis was confirmed in immunohistochemical staining with antibodies specific to n. caninum. | 1996 | 8604111 |
| a comparative ultrastructural study of the parotid gland acinar cells of nine wild ruminant species (mammalia, artiodactyla). | the ultrastructural similarities and differences of the parotid gland acinar cells of nine wild ruminants (roe deer, nyala, tahr, eld's deer, red deer, pere david's deer, european mouflon, african buffalo, sable antelope) representing three feeding types i.e. concentrate selectors (cs), grass and roughage eaters (gr) and intermediate feeders (im) were compared. the parotid acinar cells of the cs contained more granular endoplasmic reticulum, golgi-complexes and secretory granules than those of t ... | 1996 | 9090994 |
| abdominal lipomatosis attributed to tall fescue toxicosis in deer. | five adult female eld's deer died acutely or were euthanatized because of clinical signs including anorexia, signs of depression, and uremia. on necropsy, these deer had large masses of necrotic abdominal fat constricting the ureters, causing hydroureter and hydronephrosis. the herd from which these deer originated was maintained on pastures consisting primarily of tall fescue, samples from which were subsequently confirmed to be infected with an endophytic fungus that is known to cause similar ... | 1998 | 9861975 |
| computer simulations to determine the efficacy of different genome resource banking strategies for maintaining genetic diversity. | genome resource banks (grbs) and assisted reproductive techniques are increasingly recognized as useful tools for the management and conservation of biodiversity, including endangered species. cryotechnology permits long-term storage of valuable genetic material. although, the actual application to endangered species management requires technical knowledge about sperm freezing and thawing, a systematic understanding of the quantitative impacts of various germ plasm storage and use scenarios is a ... | 2002 | 12151267 |
| efficiency of semi-automated fluorescent multiplex pcrs with 11 microsatellite markers for genetic studies of deer populations. | thirty bovine and eight ovine microsatellite primer pairs were tested on four tropical deer species: eld's and swamp deer (highly threatened) and rusa and vietnamese sika deer (economically important). thirty markers gave an amplified product in all four species (78.9%). the number of polymorphic microsatellite markers varied among the species from 14 in eld's deer (47%) to 20 in swamp deer (67%). among them, 11 microsatellite loci were multiplexed in three polymerase chain reactions (pcrs) and ... | 2002 | 12354142 |
| identification by r-banding and fish of chromosome arms involved in robertsonian translocations in several deer species. | we constructed and analyzed the rbg-banded karyotype of five deer species: chital (axis axis), white-lipped deer (cervus albirostris), rusa deer (cervus timorensis russa), sambar deer (cervus unicolor) and eld's deer (cervus eldi siamensis). among these five species, only eld's deer had been previously karyotyped using r-banding. in order to identify all the chromosome correspondences with cattle and precisely which chromosome arms are involved in robertsonian translocations, we compared the kar ... | 2003 | 14606627 |
| identification by r-banding and fish of chromosome arms involved in robertsonian translocations in several deer species. | we constructed and analyzed the rbg-banded karyotype of five deer species: chital (axis axis), white-lipped deer (cervus albirostris), rusa deer (cervus timorensis russa), sambar deer (cervus unicolor) and eld's deer (cervus eldi siamensis). among these five species, only eld's deer had been previously karyotyped using r-banding. in order to identify all the chromosome correspondences with cattle and precisely which chromosome arms are involved in robertsonian translocations, we compared the kar ... | 2003 | 14606627 |
| challenges in cryopreserving endangered mammal spermatozoa: morphology and the value of acrosomal integrity as markers of cryo-survival. | the science of cryobiology is essential to the effective, practical use of semen for assisted breeding to help manage small populations of rare wildlife species. in this review, we describe challenges associated with cryopreserving gametes from wild fauna. based on more than 25 years of experience across a diversity of mammals, it appears that the primary driving force dictating cryo-survival of a spermatozoon is its initial pre-freeze quality and morphology, especially having a morphologically ... | 2007 | 17644982 |
| challenges in cryopreserving endangered mammal spermatozoa: morphology and the value of acrosomal integrity as markers of cryo-survival. | the science of cryobiology is essential to the effective, practical use of semen for assisted breeding to help manage small populations of rare wildlife species. in this review, we describe challenges associated with cryopreserving gametes from wild fauna. based on more than 25 years of experience across a diversity of mammals, it appears that the primary driving force dictating cryo-survival of a spermatozoon is its initial pre-freeze quality and morphology, especially having a morphologically ... | 2007 | 17644982 |
| eld's deer translocated to human-inhabited areas become nocturnal. | as human populations expand and nonhuman animals decline, understanding the interactions between people and wildlife is essential. for endangered species, appreciating the effect of human disturbance can be important for their conservation. however, a human disturbance angle is often absent from ecological research, despite growing evidence of the negative impact of nonfatal human interference. here, we monitored hainan eld's deer living within a reserve and translocated animals living amongst v ... | 2011 | 21404824 |
| complete mitochondrial genome of cervus elaphus songaricus (cetartiodactyla: cervinae) and a phylogenetic analysis with related species. | complete mitochondrial genome of tianshan wapiti, cervus elaphus songaricus, is 16,419 bp in length and contains 13 protein-coding genes, 2 rrna genes, 22 trna genes and 1 control region. the phylogenetic trees were reconstructed with the concatenated nucleotide sequences of the 13 protein-coding genes using maximum parsimony (mp) and bayesian inference (bi) methods. mp and bi phylogenetic trees here showed an identical tree topology. the monopoly of red deer, wapiti and sika deer was well suppo ... | 2016 | 24725059 |
| a new viewpoint on antlers reveals the evolutionary history of deer (cervidae, mammalia). | recent molecular phylogeny of deer revealed that the characters of antlers previously focused on are homoplasious, and antlers tend to be considered problematic for classification. however, we think antlers are important tools and reconsidered and analysed the characters and structures to use them for classification. this study developed a method to describe the branching structure of antlers by using antler grooves, which are formed on the antlers by growth, and then projecting the position of ... | 2020 | 32488122 |
| in vitro culture of deer embryos. | in vitro embryo production of deer species has the potential to increase valuable traits for the agricultural sector, and from a conservation perspective, it is a propagation tool which can improve genetic diversity in small captive populations. in vitro embryo production is a multistep process consisting of oocyte maturation, fertilization, and embryo culture. these techniques provide the backbone for more advanced assisted reproductive technologies such as intracytoplasmic sperm injection (ics ... | 2019 | 31230282 |
| habitat selection by eld's deer following relocation to a patchy landscape. | an emerging issue in wildlife conservation is the re-establishment of viable populations of endangered species in suitable habitats. here, we studied habitat selection by a population of hainan eld's deer (cervus eldi) relocated to a patchy landscape of farmland and forest. hainan eld's deer were pushed to the brink of extinction in the 1970s, but their population expanded rapidly from 26 to more than 1000 individuals by 2003 through effective reserve protection. as part of a wider relocation an ... | 2014 | 24614039 |
| habitat selection by eld's deer following relocation to a patchy landscape. | an emerging issue in wildlife conservation is the re-establishment of viable populations of endangered species in suitable habitats. here, we studied habitat selection by a population of hainan eld's deer (cervus eldi) relocated to a patchy landscape of farmland and forest. hainan eld's deer were pushed to the brink of extinction in the 1970s, but their population expanded rapidly from 26 to more than 1000 individuals by 2003 through effective reserve protection. as part of a wider relocation an ... | 2014 | 24614039 |
| successful intrauterine insemination of eld's deer (cervus eldi thamin) with frozen-thawed spermatozoa. | this study tested the efficacy of assisted reproduction (synchronization of oestrus and intrauterine artificial insemination (ai)) in contributing to the captive propagation of an endangered species, the eld's deer (cervus eldi thamin). semen was collected from males preselected on the basis of under-represented genotype. motility of spermatozoa after thawing from ejaculates diluted with bf5f extender (8% glycerol), frozen on dry ice in 0.5 ml straws and stored in liquid nitrogen was 60-70%. int ... | 1993 | 8107027 |
| seasonal patterns of basal and gnrh-induced lh, fsh and testosterone secretion in eld's deer stags (cervus eldi thamin). | plasma lh, fsh and testosterone were measured in blood samples collected via remote catheterization from six adult eld's deer stags every 10 min for 8 h before and 2 h after gnrh (1 microgram kg-1, i.v.) administration. blood samples were collected within 2 weeks of the summer solstice (21 june), autumn equinox (22 september), winter solstice (21 december) and spring equinox (20 march). marked seasonal variations in basal lh, fsh and testosterone concentrations were observed. from autumn, well-d ... | 1993 | 8410814 |
| urinary 3 alpha,17 beta-androstanediol glucuronide is a measure of androgenic status in eld's deer stags (cervus eldi thamin). | to determine the primary excretory by-products of testosterone (t), 85 microci [3h]t was administered i.v. to two adult eld's deer stags. blood (10 ml) was collected by jugular venipuncture at 0, 5, 10, 15, 30, 45, 60, 90, 120, 150, 180, 240, and 480 min after isotope infusion, and all urine and feces were collected for 96 h after injection. seventy percent of labeled circulating steroid was conjugated by 30 min postinfusion. the majority (80.4 +/- 3.2%) of t metabolites were excreted into urine ... | 1995 | 7578696 |
| urinary 3 alpha,17 beta-androstanediol glucuronide is a measure of androgenic status in eld's deer stags (cervus eldi thamin). | to determine the primary excretory by-products of testosterone (t), 85 microci [3h]t was administered i.v. to two adult eld's deer stags. blood (10 ml) was collected by jugular venipuncture at 0, 5, 10, 15, 30, 45, 60, 90, 120, 150, 180, 240, and 480 min after isotope infusion, and all urine and feces were collected for 96 h after injection. seventy percent of labeled circulating steroid was conjugated by 30 min postinfusion. the majority (80.4 +/- 3.2%) of t metabolites were excreted into urine ... | 1995 | 7578696 |
| hematological and plasma biochemical values in captive eld's-brow antlered deer (cervus eldi thamin) in thailand. | blood samples were collected from 20 sedated captive eld's-brow antlered deer (cervus eldi thamin), aged over 1.5 years, to define their mean hematological values (packed cell volume and hemoglobin) and mean plasma biochemical parameters. male deer had a significantly higher plasma glucose level and aspartate aminotransferase activity than female deer. | 2000 | 10676897 |
| hematological and plasma biochemical values in captive eld's-brow antlered deer (cervus eldi thamin) in thailand. | blood samples were collected from 20 sedated captive eld's-brow antlered deer (cervus eldi thamin), aged over 1.5 years, to define their mean hematological values (packed cell volume and hemoglobin) and mean plasma biochemical parameters. male deer had a significantly higher plasma glucose level and aspartate aminotransferase activity than female deer. | 2000 | 10676897 |
| stag exposure advances the lh surge and behavioral estrus in eld's deer hinds after cidr device synchronization of estrus. | the impact of male presence or absence on the timing of the preovulatory lh surge and estrus was studied in 3 experimental groups (n = 6/group) of eld's deer hinds pretreated with intravaginal progesterone-releasing devices (cidr-type g) as follows: group 1 = indirect male contact barn; group 2 = direct male contact barn; and group 3 = male isolation barn. for all hinds, the duration of the preovulatory lh surge averaged 2.5+/-0.5 h, whereas mean peak preovulatory and basal lh concentrations wer ... | 1999 | 10729097 |
| karyotype identity of two subspecies of eld's deer [cervus eldi (cervinae, artiodactyla)] and its consequences for conservation. | among the three subspecies generally recognized within the eld's deer (cervus eldi)--c. e. eldi, c. e. thamin, and c. e. siamensis--c. e. siamensis is considered to be particularly endangered following its disappearance from a major portion of its original range. the only captive breeding population of this subspecies is in the zoological parks at the paris museum of natural history. taking into account its low effective population size (ne = 7) and the increasing levels of inbreeding, the conti ... | 2019 | 10994709 |
| karyotype identity of two subspecies of eld's deer [cervus eldi (cervinae, artiodactyla)] and its consequences for conservation. | among the three subspecies generally recognized within the eld's deer (cervus eldi)--c. e. eldi, c. e. thamin, and c. e. siamensis--c. e. siamensis is considered to be particularly endangered following its disappearance from a major portion of its original range. the only captive breeding population of this subspecies is in the zoological parks at the paris museum of natural history. taking into account its low effective population size (ne = 7) and the increasing levels of inbreeding, the conti ... | 2019 | 10994709 |
| sperm capacitation in vitro in the eld's deer. | sperm capacitation was examined in the endangered eld's deer (cervus eldi thamin). sperm motility and viability (percentage of sperm cells with intact membranes) were assessed in vitro over time after attempting to induce capacitation in talp alone and talp supplemented with calcium (10 mm cacl2), dibutyryl camp (1 mm dbcamp), or fetal calf serum (20% fcs). sperm aliquots were evaluated at 0, 3, 6, 9, and 12 h for motility, viability, and ability to acrosome react after exposure to calcium ionop ... | 2001 | 11516120 |
| sperm capacitation in vitro in the eld's deer. | sperm capacitation was examined in the endangered eld's deer (cervus eldi thamin). sperm motility and viability (percentage of sperm cells with intact membranes) were assessed in vitro over time after attempting to induce capacitation in talp alone and talp supplemented with calcium (10 mm cacl2), dibutyryl camp (1 mm dbcamp), or fetal calf serum (20% fcs). sperm aliquots were evaluated at 0, 3, 6, 9, and 12 h for motility, viability, and ability to acrosome react after exposure to calcium ionop ... | 2001 | 11516120 |
| phylogeography and conservation genetics of eld's deer (cervus eldi). | eld's deer (cervus eldi) is a highly endangered cervid, distributed historically throughout much of south asia and indochina. we analysed variation in the mitochondrial dna (mtdna) control region for representatives of all three eld's deer subspecies to gain a better understanding of the genetic population structure and evolutionary history of this species. a phylogeny of mtdna haplotypes indicates that the critically endangered and ecologically divergent c. eldi eldi is related more closely to ... | 2003 | 12492873 |
| phylogeography and conservation genetics of eld's deer (cervus eldi). | eld's deer (cervus eldi) is a highly endangered cervid, distributed historically throughout much of south asia and indochina. we analysed variation in the mitochondrial dna (mtdna) control region for representatives of all three eld's deer subspecies to gain a better understanding of the genetic population structure and evolutionary history of this species. a phylogeny of mtdna haplotypes indicates that the critically endangered and ecologically divergent c. eldi eldi is related more closely to ... | 2003 | 12492873 |
| life history pattern and fitness of an endangered hainan eld's deer population. | understanding life history patterns, individual fitness and population fitness can assist with conservation of endangered species. field data on life history traits (i.e. age specific fecundity, age specific mortality, age at first reproduction, litter size and adult life expectancy) were collected from 121 hainan eld's deer (cervus eldi hainanus thomas, 1918), an in situ herd of an endemic, rare and endangered cervid inhabiting bangxi natural reserve of hainan island, from 1990 to 2002. first, ... | 2011 | 21392363 |
| life history pattern and fitness of an endangered hainan eld's deer population. | understanding life history patterns, individual fitness and population fitness can assist with conservation of endangered species. field data on life history traits (i.e. age specific fecundity, age specific mortality, age at first reproduction, litter size and adult life expectancy) were collected from 121 hainan eld's deer (cervus eldi hainanus thomas, 1918), an in situ herd of an endemic, rare and endangered cervid inhabiting bangxi natural reserve of hainan island, from 1990 to 2002. first, ... | 2011 | 21392363 |
| a case report concerning male gametes rescued from a siamese eld's deer (rucervus eldii siamensis): post-thawed testicular and epididymal sperm quality and heterologous zona pellucida binding ability. | in the present study, the quality of frozen-thawed epididymal and testicular sperm recovered from a siamese eld's deer was examined. the epididymal sperm quality was assessed in fresh, cold-stored at 4°c and frozen-thawed samples. zona binding ability of the frozen-thawed epididymal samples with burmese eld's deer oocytes was also evaluated. testicular sperm extracted from tissues frozen at -80 or -196°c for one month were examined for membrane and dna integrity. epididymal sperm retained their ... | 2013 | 22971799 |
| mhc class ii β genes in the endangered hainan eld's deer (cervus eldi hainanus). | contrary to neutral markers, the major histocompatibility complex (mhc) can reflect the fitness and adaptive potential of a given species due to its association with the immune system. for this reason, the use of mhc in endangered wildlife management has increased greatly in recent years. here, we isolated complementary dna (cdna) and genomic dna (gdna) sequences to characterize the mhc class ii β genes in hainan eld's deer (cervus eldi hainanus), a highly endangered cervid, which recovered from ... | 2013 | 24078679 |
| mhc class ii β genes in the endangered hainan eld's deer (cervus eldi hainanus). | contrary to neutral markers, the major histocompatibility complex (mhc) can reflect the fitness and adaptive potential of a given species due to its association with the immune system. for this reason, the use of mhc in endangered wildlife management has increased greatly in recent years. here, we isolated complementary dna (cdna) and genomic dna (gdna) sequences to characterize the mhc class ii β genes in hainan eld's deer (cervus eldi hainanus), a highly endangered cervid, which recovered from ... | 2013 | 24078679 |
| the impact of ovarian stimulation protocol on oocyte quality, subsequent in vitro embryo development, and pregnancy after transfer to recipients in eld's deer (rucervus eldii thamin). | propagating genetically valuable individuals through oocyte collection, in vitro fertilization (ivf) and embryo transfer is critical to maintain sustainable populations of the endangered eld's deer. the objectives of this study were to assess the impact of exogenous fsh injections on (1) the number and in vitro competence of oocytes collected and (2) the developmental potential of resulting ivf embryos after transfer into recipients during the breeding season (february-april). in a pilot experim ... | 2017 | 28215678 |
| assessing enclosure design and husbandry practices for successful keeping and breeding of the burmese brow antlered deer (eld's deer, rucervus eldii thamin) in european zoos. | the endangered burmese brow antlered deer (rucervus eldii thamin) is a medium sized tropical cervid kept in a number of european zoos. studbook data and anecdotal reports have suggested that this species suffers from poor reproductive success and relatively high neonatal mortality in captivity. questionnaires were sent to 10 european zoos, holding 91 (20.71.0) deer, in order to record information on husbandry practices and enclosure design. studbook analysis was performed to determine reproducti ... | 2017 | 29165866 |
| spatio-temporal analysis of floating islands and their behavioral changes in loktak lake with respect to biodiversity using remote sensing and gis techniques. | the presence of floating islands is a unique characteristic of loktak lake. floating islands play a significant role in ecosystem services and ecological processes and functioning. rapid urbanization, industrialization, and a demand for more resources have led to changes in the landscape patterns at loktak lake in past three decades, thereby degrading and threatening the fragile ecosystem. the aim of the present study is to assess the changes in land use practices of the phumdis by analyzing dat ... | 2018 | 29411121 |
| integrating data from different survey types for population monitoring of an endangered species: the case of the eld's deer. | despite its value for conservation decision-making, we lack information on population abundances for most species. because establishing large-scale monitoring schemes is rarely feasible, statistical methods that combine multiple data sources are promising approaches to maximize use of available information. we built a bayesian hierarchical model that combined different survey data of the endangered eld's deer in shwesettaw wildlife sanctuary (sws) in myanmar and tested our approach in simulation ... | 2019 | 31123274 |
| the arteries of brain base in species of the cervid family. | the aim of the article was to describe the pattern of main arteries at the encephalon base, their connections, and varieties. this study included 106 specimens of the head and cerebral arteries of the following eight species of the cervid family: reindeer, chital, eld's deer, wapiti, sika deer, fallow deer, pere david's deer or milu, and reeve's or chinese muntjac. the arteries of the animals under study were filled with acetone-dissolved stained vinyl superchloride or stained latex lbs3060. the ... | 2015 | 25399744 |
| comparison of antibody response to a non-adjuvanted, live canarypox-vectored recombinant rabies vaccine and a killed, adjuvanted rabies vaccine in eld's deer (rucervus eldi thamin). | captive eld's deer (rucervus eldi thamin) were evaluated for the presence of rabies virus-neutralizing antibodies using a rapid fluorescent focus inhibition after vaccination with either a live canarypox-vectored recombinant rabies vaccine or a killed monovalent rabies vaccine. twelve deer were vaccinated with 1.0 ml of killed, adjuvanted, monovalent rabies vaccine at 5-33 mo of age then annually thereafter, and 14 deer were vaccinated with 1.0 ml nonadjuvanted, live canarypox-vectored rabies va ... | 2014 | 25000692 |
| successful intrauterine insemination of eld's deer (cervus eldi thamin) with frozen-thawed spermatozoa. | this study tested the efficacy of assisted reproduction (synchronization of oestrus and intrauterine artificial insemination (ai)) in contributing to the captive propagation of an endangered species, the eld's deer (cervus eldi thamin). semen was collected from males preselected on the basis of under-represented genotype. motility of spermatozoa after thawing from ejaculates diluted with bf5f extender (8% glycerol), frozen on dry ice in 0.5 ml straws and stored in liquid nitrogen was 60-70%. int ... | 1993 | 8107027 |
| seasonal patterns of basal and gnrh-induced lh, fsh and testosterone secretion in eld's deer stags (cervus eldi thamin). | plasma lh, fsh and testosterone were measured in blood samples collected via remote catheterization from six adult eld's deer stags every 10 min for 8 h before and 2 h after gnrh (1 microgram kg-1, i.v.) administration. blood samples were collected within 2 weeks of the summer solstice (21 june), autumn equinox (22 september), winter solstice (21 december) and spring equinox (20 march). marked seasonal variations in basal lh, fsh and testosterone concentrations were observed. from autumn, well-d ... | 1993 | 8410814 |
| circannual inter-relationships among reproductive hormones, gross morphometry, behaviour, ejaculate characteristics and testicular histology in eld's deer stags (cervus eldi thamin). | blood samples, morphometric measurements and behavioural data were collected weekly for 52 weeks from six adult eld's deer stags exposed to natural fluctuations in photoperiod (38 degrees n latitude). mean (+/- sem) serum lh concentrations reached peak values in the autumn (october), three months before fsh and testosterone concentrations reached peak values in early winter (january). prolactin concentrations were inversely related (r = -0.733, p < 0.001) to lh and directly related to daylength, ... | 1993 | 8410813 |
| circannual inter-relationships among reproductive hormones, gross morphometry, behaviour, ejaculate characteristics and testicular histology in eld's deer stags (cervus eldi thamin). | blood samples, morphometric measurements and behavioural data were collected weekly for 52 weeks from six adult eld's deer stags exposed to natural fluctuations in photoperiod (38 degrees n latitude). mean (+/- sem) serum lh concentrations reached peak values in the autumn (october), three months before fsh and testosterone concentrations reached peak values in early winter (january). prolactin concentrations were inversely related (r = -0.733, p < 0.001) to lh and directly related to daylength, ... | 1993 | 8410813 |
| episodic and seasonal rhythms of cortisol secretion in male eld's deer (cervus eldi thamin). | episodic and seasonal rhythms of cortisol secretion were evaluated in six adult eld's deer (cervus eldi thamin) stags. plasma cortisol was measured in serial blood samples collected via remote catheterization every 10 min for 10 h within 2 weeks of the summer solstice (21 june), autumn equinox (22 september), winter solstice (21 december) and spring equinox (20 march), and in weekly blood samples collected from sedated stags. cortisol was secreted episodically at a rate of approximately 0.6 peak ... | 1993 | 7852891 |
| episodic and seasonal rhythms of cortisol secretion in male eld's deer (cervus eldi thamin). | episodic and seasonal rhythms of cortisol secretion were evaluated in six adult eld's deer (cervus eldi thamin) stags. plasma cortisol was measured in serial blood samples collected via remote catheterization every 10 min for 10 h within 2 weeks of the summer solstice (21 june), autumn equinox (22 september), winter solstice (21 december) and spring equinox (20 march), and in weekly blood samples collected from sedated stags. cortisol was secreted episodically at a rate of approximately 0.6 peak ... | 1993 | 7852891 |
| monitoring ovarian function and pregnancy in eld's deer (cervus eldi thamin) by evaluating urinary steroid metabolite excretion. | direct radioimmunoassays (ria) for urinary oestrone conjugates and pregnanediol-3 alpha-glucuronide (pdg) were used to study ovarian activity patterns and pregnancy in eld's deer. in 2 does, urinary metabolite patterns were compared to temporal patterns of plasma lh, oestradiol-17 beta and progesterone. preovulatory lh peaks occurred coincident with behavioural oestrus, and plasma progesterone secretion paralleled pdg excretion. although plasma oestradiol-17 beta levels fluctuated between 5 and ... | 1990 | 2156072 |
| monitoring ovarian function and pregnancy in eld's deer (cervus eldi thamin) by evaluating urinary steroid metabolite excretion. | direct radioimmunoassays (ria) for urinary oestrone conjugates and pregnanediol-3 alpha-glucuronide (pdg) were used to study ovarian activity patterns and pregnancy in eld's deer. in 2 does, urinary metabolite patterns were compared to temporal patterns of plasma lh, oestradiol-17 beta and progesterone. preovulatory lh peaks occurred coincident with behavioural oestrus, and plasma progesterone secretion paralleled pdg excretion. although plasma oestradiol-17 beta levels fluctuated between 5 and ... | 1990 | 2156072 |
| use of urinary hormone assays for evaluating endocrine patterns associated with the long-day breeding season in eld's deer (cervus eldi). | reproductive seasonality and pregnancy in the endangered brow-antlered or eld's deer (cervus eldi) were studied by measuring urinary estrone conjugates (ec) and pregnanediol-3 alpha-glucuronide (pdg) profiles in voided urine. based on the excretion of pdg, female eld's deer were seasonally polyestrous, spontaneous ovulators with regular cyclic activity beginning in january to march and ending in august to october. the overall estrous cycle averaged 21.5 +/- 2.1 days (+/- sem, n = 65); however, 2 ... | 1990 | 1974799 |
| use of urinary hormone assays for evaluating endocrine patterns associated with the long-day breeding season in eld's deer (cervus eldi). | reproductive seasonality and pregnancy in the endangered brow-antlered or eld's deer (cervus eldi) were studied by measuring urinary estrone conjugates (ec) and pregnanediol-3 alpha-glucuronide (pdg) profiles in voided urine. based on the excretion of pdg, female eld's deer were seasonally polyestrous, spontaneous ovulators with regular cyclic activity beginning in january to march and ending in august to october. the overall estrous cycle averaged 21.5 +/- 2.1 days (+/- sem, n = 65); however, 2 ... | 1990 | 1974799 |
| nasal carcinoma in a captive eld's deer. | a 7-year-old eld's deer (cervus eldii) developed a swelling rostromedial to the left eye in association with signs of weakness, blindness, and discomfort. by means of radiography and biopsy, the swelling was found to be a carcinoma of lining epithelium of the caudal nasal cavity and left frontal sinus. within 2 weeks of initial observation, signs of neurologic involvement developed and the deer was euthanatized. necropsy revealed metastasis to lungs, liver, kidneys, and abdominal lymph nodes. | 1975 | 1176349 |