protein g binding to enriched serum immunoglobulin from nondomestic hoofstock species.quick and cost-effective serologic assays, such as those based on enzyme-linked immunosorbent assay (elisa) technology, are useful for screening animal populations for infectious diseases. recombinant protein g is described as an almost universal elisa conjugate for the detection of antibodies from a wide range of animal species. however, there is limited data documenting the ability of protein g to bind immunoglobulin (ig) from many captive and free-ranging nondomestic hoofstock (order artiodac ...200312735347
further compounds from the pedal gland of the bontebok (damaliscus dorcas dorcas).the identification of four further major constituents of the pedal gland exudate of the bontebok, damaliscus dorcas dorcas, viz. alpha-terpineol, 2-n-heptylpyridine, m-cresol and (a)-6-dodecen-4-olide and the investigation of the stereochemistry of the double bond in (z)-6-dodecen-4-olide by means of iterative computer analysis are described. an improved synthesis of this compound is outlined.2002139777
mycobacterium kansashi infection in a bontebok (damaliscus pygaragus dorcas) herd: diagnostic challenges in differentiating from the mycobacterium tuberculosis complex.two adult female bontebok (damaliscus pygarus dorcas) were euthanized because of signs of pneumonia and weakness (case 1), and a nonresponsive lameness with draining fistula (case 2). necropsy findings were similar in both cases and consisted of disseminated granulomatous lesions in the liver, kidneys, spleen, lungs, pleural surfaces, and multiple lymph nodes. mycobacterium kansasii was isolated from both cases after multiple attempts on a variety of samples by two laboratories. the remaining fo ...201122950320
Treatment of equine sarcoid in seven Cape mountain zebra (Equus zebra zebra).Equine sarcoid has been diagnosed in endangered Cape mountain zebra (Equus zebra zebra) in at least two game reserves in South Africa, with prevalence as high as 53% in Bontebok National Park. Seven Cape mountain zebras with sarcoids were treated with either surgical excision, 5-fluorouracil, allogenous vaccine, or a combination of 5-fluorouracil and allogenous vaccine. One of the two sarcoids on one of the 5-fluorouracil-treated zebras was left untreated. The microscopic features of the tumors ...201122102662
prevalence and body distribution of sarcoids in south african cape mountain zebra (equus zebra zebra).there are no reports in the literature describing any tumours, and specifically sarcoids, in zebras. the equine sarcoid, a locally aggressive, fibroblastic skin tumour, is the most common dermatological neoplasm reported in horses. the cape mountain zebra (cmz) has been described as one of the most vulnerable mammals in south africa with current populations existing in isolated units. all south african cmz are descendants from no more than 30 individual animals originating from 3 populations, na ...200718237037
in vitro isolation of equine piroplasms derived from cape mountain zebra (equus zebra zebra) in south africa.twenty blood samples of zebras (equus zebra zebra) from the karoo national park and the bontebok national park in south africa, all seropositive for theileria equi, were subjected to in vitro culture to identify carrier animals and to isolate the parasites. sixteen animals had a detectable parasitaemia in giemsa-stained blood smears examined before culture initiation, the remaining four animals were identified as t. equi carriers by in vitro culture. cultures were initiated either in an oxygen-r ...200212356165
haemonchus horaki n. sp. (nematoda: trichostrongyloidea) from the grey rhebuck pelea capreolus in south the course of a revision of species of haemonchus cobb, 1898 (nematoda), commonly referred to as large stomach worms and significant pathogens of ruminants, a new species was discovered in the grey rhebuck pelea capreolus, and the bontebok damaliscus pygarthus, in south africa. the new species, haemonchus horaki, was previously reported as a long-spicule form of h. contortus (rudolphi, 1803) ransom, 1911. the new species, compared with h. contortus, can be distinguished by significantly longe ...200111695372
parasites of south african wildlife. xvi. helminths of some antelope species from the eastern and western cape provinces.the numbers and species of helminths recovered from one black wildebeest, connochaetes gnou, three eland, taurotragus oryx, 18 mountain reedbuck, redunca fulvorufula, one red hartebeest, aicelaphus buselaphus and two springbok, antidorcas marsupialis, in the mountain zebra national park, eastern cape province; two black wildebeest, two grey rhebuck, pelea capreolus, two mountain reedbuck and four springbok in the karoo national park, western cape province; two bontebok, damaliscus pygargus dorca ...200010843320
parasites of domestic and wild animals in south africa. xxxv. ixodid ticks and bot fly larvae in the bontebok national park.ixodid ticks were collected during february of each year from 1983-1992 from bontebok and grey rhebok in the bontebok national park, western cape province. when available other mammals as well as ground-nesting birds and leopard tortoises were examined. eleven tick species were recovered. rhipicephalus nitens followed by rhipicephalus glabroscutatum and an ixodes sp. (near i. pilosus) were the most abundant, while amblyomma marmoreum infested the widest host range. the larvae of three bot files ...19989809325
lice on helmeted guinea fowls at five localities in south africa.a total of 234 helmeted guinea fowls, numida meleagris coronata, were examined for lice at five localities in south africa. these were the mountain zebra national park in the eastern karoo, cape province; the andries vosloo kudu reserve and the farm bucklands, in valley bushveld, eastern cape province; the bontebok national park, south-western cape province; and the southern part of the kruger national park, eastern transvaal lowveld. a total of eight louse species, comprising amyrsidea desousai ...19937970579
helminth and arthropod parasites of vaal ribbok, pelea capreolus, in the western cape province.five vaal ribbok, culled in the bontebok national park during december 1979, were examined for helminth and arthropod parasites. ten nematode species, a louse and 2 tick species were recovered and there was also evidence of previous infestation by the larvae of 2 oestrid flies. the parasite burdens of the vaal ribbok are compared with those of sympatric bontebok and springbok culled at the same time.19827177592
helminth and arthropod parasites of blesbok, damaliscus dorcas phillipsi, and of bontebok, damaliscus dorcas dorcas.the helminth burdens of 8 blesbok shot in the north-eastern orange free state, 8 from the eastern cape province, 28 from the eastern transvaal and 3 from the central transvaal were determined. in addition, the arthropod burdens of 11 of these animals were ascertained. twenty-one nematode species, 2 cestode species, 6 ixodid ticks, 2 lice and the larvae of 5 oestrid flies were recovered. three of the nematode species, 2 of the oestrid flies and 4 of the tick species had apparently not previously ...19827177591
haemonchus contortus from the vaal ribbok, pelea capreolus, and the bontebok, damaliscus dorcas dorcas, in the bontebok national park.during a survey of the parasites of antelope in the bontebok national park, swellendam, cape province, specimens of haemonchus contortus with exceptionally long spicules were recovered from 5 out of 8 bontebok, damaliscus dorcas dorcas, and 3 out of 5 vaal ribbok, pelea capreolus, but not from 4 springbok, antidorcas marsupialis. typically, h. contortus has spicules 0,466 +/- 0,085 mm long, but those recovered from vaal ribbok had spicules 0,581 +/- 0,02 mm long and were recovered in large numbe ...19836646659
parasites of domestic and wild animals in south africa. xxi. arthropod parasites of vaal ribbok, bontebok and scrub hares in the western cape province.vaal ribbok (pelea capreolus), bontebok (damaliscus dorcas dorcas) and scrub hares (lepus saxatilis) were slaughtered in the bontebok national park at regular intervals and examined for arthropod parasites. twelve species of ixodid ticks were recovered; the antelope each harboured 9 species and the hares 11. rhipicephalus nitens was the most prevalent and most abundant tick. the vaal ribbok also harboured large numbers of ixodes pilosus and the bontebok fairly large numbers of rhipicephalus glab ...19863796942
some avian and mammalian hosts of amblyomma hebraeum and amblyomma marmoreum (acari: ixodidae).large numbers of birds, wild mammals and domestic stock from a variety of localities within the republic of south africa were examined for infestation with the ixodid ticks amblyomma hebraeum and amblyomma marmoreum. every warthog (phacochoerus aethiopicus), burchell's zebra (equus burchelli), impala (aepyceros melampus) and kudu (tragelaphus strepsiceros) from the kruger national park in the north-eastern transvaal lowveld was infested with a. hebraeum. in the eastern cape province every helmet ...19873329327
the mating behaviour of the tsessebe (damaliscus lunatus lunatus) in the kruger national park.the mating behaviour of tsessebe was observed in the kruger national park. a description of the typical sequences in the mating behaviour is given which includes the "nose and neck stretch" posture of the courtship display of the bull when approaching a cow, the role of olfactory stimuli which are derived from either smelling at the base of a cow's tail or from the ground where a cow had been laying down or urinated, the spontaneous ejaculation of the bull in response to such stimuli and mountin ...19751170697
application of ovine luteinizing hormone (lh) radioimmunoassay in the quantitation of lh in different mammalian species.a sensitive double antibody radioimmunoassay has been developed for measuring luteinizing hormone (lh) in various african mammalian species, using rabbit anti-ovine lh serum (gdn 15) and radioiodinated rat lh or ovine lh. serum and pituitary homogenates from some african mammals (hyrax, reedbuck, sable, impala, tsessebe, thar, spring-hare, ground squirrel and cheetah, as well as the domestic sheep, cow and horse and laboratory rat and hamster) produced displacement curves parallel to that of the ...1977330153
molecular phylogeny and chromosomal evolution of alcelaphini (antilopinae).robertsonian (rb) translocations, in particular centric fusions, are thought to play a primary role in evolution and speciation of the bovidae family. however, rb fusions are often polymorphic within species, being suggested as phylogenetically uninformative characters. this work studies chromosome variation in 72 captive individuals of 6 species of alcelaphini (antilopinae): the hartebeest (genus alcelaphus), hirola (beatragus), black and blue wildebeests (connochaetes), and the topi and bonteb ...201424516191
characterization of major histocompatibility complex drb diversity in the endemic south african antelope damaliscus pygargus: a comparison in two subspecies with different demographic histories.major histocompatibility complex (mhc) class ii locus drb was investigated by single-strand conformation polymorphism analysis (sscp) and sequence analysis in the endemic south african antelope, damaliscus pygargus, of which there are two subspecies. greater polymorphism was found in the blesbok (d. p. phillipsi) subspecies (n = 44; 22 alleles) than in the bontebok (d. p. pygargus) subspecies (n = 45; 6 alleles). erosion of allelic diversity in bontebok was most likely the result of two severe b ...200111472536
epitheliotropic lymphoma in a captive bontebok (damaliscus pygargus).a 16-yr-old, female, captive-bred bontebok (damaliscus pygargus) estimated to be 75 kg, was presented with a 1-mo history of chronic diarrhea and weight loss. a cause for the deteriorating condition was not found antemortem, and the bontebok was humanely euthanatized when it failed to respond to empirical therapy. on necropsy, numerous nodules were present on the pleural surfaces and within the lung parenchyma, the pancreas appeared inflamed and fibrotic. histologic examination revealed lymphoma ...200617319143
quantitative evaluation of hybridization and the impact on biodiversity conservation.anthropogenic hybridization is an increasing conservation threat worldwide. in south africa, recent hybridization is threatening numerous ungulate taxa. for example, the genetic integrity of the near-threatened bontebok (damaliscus pygargus pygargus) is threatened by hybridization with the more common blesbok (d. p. phillipsi). identifying nonadmixed parental and admixed individuals is challenging based on the morphological traits alone; however, molecular analyses may allow for accurate detecti ...201728070295
paracooperioides peleae gen. et sp. n. (nematoda: trichostrongylidae) from the vaal ribbok, pelea capreolus (forster, 1790).a new genus and species of trichostrongylid nematode, paracooperioides peleae, was collected from the small intestines of vaal ribbok, pelea capreolus (forster, 1790), from the bontebok national park, swellendam, cape province. these nematodes are small and slender with a small cephalic inflation. the cuticle bears numerous transverse striations which are more pronounced anteriorly. the dorsal ray is long and is similar to that of gazellostrongylus yeh, 1956, and cooperioides hepaticae ortlepp, ...19817335332
helminths recovered from the bontbok, damaliscus dorcas dorcas (pallas, 1776).a report is given on the helminths collected from 4 bontbok, damaliscus dorcas dorcas, which died following capture at the bontebok national park, swellendam, and transfer to the national zoological gardens, pretoria. seven of these helminths are new host records. lungworms submitted to the institute for identification over the last 2 years are also reported; these were all dictyocaulus magna. the various scientific and common names that have been applied to the bontbok in the past are reviewed.19751187094
parasites of south african wildlife. xiii. helminths of grey rhebuck, pelea capreolus, and of bontebok, damaliscus dorcas dorcas, in the bontebok national park.a total of 25 grey rhebuck, pelea capreolus, and 16 bontebok, damaliscus dorcas dorcas, were shot for parasite recovery at bi-monthly intervals in the bontebok national park, south-western cape province, from february 1983 to december 1983 and february 1983 to february 1984, respectively. the grey rhebuck and the bontebok each harboured 9 nematode species and the latter animals 1 cestode species. ostertagia hamata was most abundant and most prevalent in the grey rhebuck and longistrongylus curvi ...19921437019
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