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experimental infection of eland (taurotrages oryx), sable antelope (ozanna grandicomis) and buffalo (syncerus caffer) with foot-and-mouth disease virus.the course of experimental infection of a type sat 1 fmdv strain was studied in buffalo, sable antelope and eland following tongue inoculation and contact and has been compared with that in cattle. all species became infected, although disease was less severe in the game animals and larger amounts of virus were required to infect game animals than cattle. neutralizing antibody titres were high and were maintained for an extended period in buffalo, sable antelope and eland. the carrier state was ...19892584449
spongiform encephalopathy in an eland. 19902368268
survival and reproductive performance of female glossina morsitans morsitans when maintained on the blood of different species of wild mammals.a study was carried out to determine the effect on the reproductive performance of female glossina morsitans morsitans westwood when allowed to feed, in vitro, for 63 days on fresh defibrinated blood of buffalo, bushbuck, cattle, eland, oryx, warthog, waterbuck or wildebeest. there were marginal differences in the survival and reproductive performance between eight different groups of tsetse, 200 per group, when fed on the blood of these mammalian species. when allowed to feed for 14 consecutive ...19882980193
outbreaks of rinderpest in wild and domestic animals in nigeria.rinderpest, although eradicated from nigeria in 1974 after the jp15 campaign, was reintroduced into sokoto state in 1980 and again into borno state in 1983. the latter outbreak spread rapidly throughout nigeria and severely reduced the cattle population. an estimated one million cattle were lost. an outbreak occurred at the maiduguri zoo, in borno state, in january 1983 and killed 15 elands and six sitatungas. in march 1983, rinderpest appeared in yankari game reserve in adjoining bauchi state a ...19902343518
parasites of domestic and wild animals in south africa. xxvi. the mosaic of ixodid tick infestations on birds and mammals in the mountain zebra national park.sixteen species of ixodid ticks were collected over varying periods of time from 6 species of ground-frequenting birds and 15 species of small and large mammals in the mountain zebra national park, karoo, cape province. margaropus winthemi followed by rhipicephalus glabroscutatum and rhipicephalus evertsi evertsi were the most abundant species. the host preferences of 14 tick species and the seasonal abundances of 13 species were determined. small numbers of immature stages of only a few tick sp ...19911923374
identification and enzymatic deglycosylation of the myometrial oxytocin receptor using a radioiodinated photoreactive antagonist.to identify and characterize oxytocin receptors, a 125i-labeled photoreactive oxytocin antagonist was synthesized. the specific oxytocin antagonist [1-(beta-mercapto-beta,beta- cyclopentamethylenepropionic acid), 2-o-methyltyrosine,4-threonine,8- ornithine,9-tyrosylamide]oxytocin ([mca,tyr(o-me)2,thr4,orn8,tyr9-nh2]oxytocin) described by elands et al. (elands, j., barberis, c., jard, s., tribollet, e., dreifuss, j.-j., bankowski, k., manning, m., and sawyer, w. h. (1987) eur. j. pharmacol. 147, ...19911657965
prevalence of ruminant pestivirus infections in namibia.following several clinical cases of suspected bovine virus diarrhoea (bvd) on three namibian cattle farms, a serological survey was conducted on bovine, ovine, caprine and wild ruminant sera originating from different regions of the country. neutralizing antibodies to bvd virus (bvdv) were detected in 58% of 1,014 cattle sera, 14% of 618 sheep sera and 4.6% of 1,118 goat sera. sera from seven of ten wildlife species were positive with kudu, eland and giraffe having prevalence rates greater than ...19911652725
studies on the covalent structure of eland pancreatic ribonuclease.studies on the covalent structure of eland (taurotragus oryx) pancreatic ribonuclease have been performed on tryptic and thermolysin digests. the first 45 residues have been determined with a beckman sequencer. from the remaining part of the sequence only those peptides were sequenced that differed in amino acid composition with the corresponding peptide of bovine ribonuclease. eland pancreatic ribonuclease differs in four positions from bovine pancreatic ribonuclease a, but more differences due ...19761268225
nutritional studies on east african herbivores. 1. digestibilities of dry matter , crude fibre and crude protein in antelope, cattle and sheep.1. a series of digestibility trials was done using four animals of each of the following species: friesian cattle (bos taurus), boran zebu cattle (bos indicus), corriedale sheep, fat-tailed sheep, eland (taurotragus oryx pallas), coke's hartebeest (alcelaphus buselaphus cokei günther), thomson's gazelle (gazella thomsonii günther) and bush duiker (sylvicapra grimmia l.). 2. two batches of pelleted food were prepared from ground maize cobs, cassava, whs (a-e) were prepared containing 65 (a)-135 ( ...19751172929
disease patterns in the detroit zoo: a study of the mammalian population from 1973 through 1983.a retrospective study was conducted to evaluate disease patterns in the mammals at the detroit zoo from 1973 through 1983. the reindeer (rangifer tarandus), common eland (taurotragus oryx), rednecked wallaby (protemnodon rufogrisea), sitatunga (tragelaphus spekii), and kangaroo (macropus spp)- were the most frequently affected mammalian species. parasitic agents (80% of which were internal parasites) caused morbidity in 60.2% of the mammals evaluated (n = 2,475) and microbial agents caused morbi ...19853878354
nutritional studies on east african herbivores. 2. losses of nitrogen in the faeces.1. a series of nitrogen-balance trials was done using groups of four animals of various species of wild and domesticated ruminants using pelleted diets (arman & hopcraft, 1975). 2. various herbivores were given grass or grass hays, legumes, herbs and shrubs. food and faecal samples were analysed for n. 3. with the pelleted diets, the n content of the faecal dry matter (dm) was low for eland (taurotragus oryx pallas), high for sheep and cattle (bos taurus and bos indicus) and intermediate for the ...19751115763
the role of wild ruminants in the epidemiology of bovine petechial fever.after experimental inoculation of cytoecetes ondiri, the agent of bovine petechial fever (bpf), multiplication occurred in impala, bushbuck, thomson's gazelles and wildebeest, as shown by infectivity studies and clinical findings. similar attempts to infect one eland failed. as a sequel to this, blood and spleen samples were collected from four species of wild ruminants in an area where bptf was endemic. isolations of c. ondiri were made from three of five bushbuck, but not from any other specie ...19751054728
investigations of allerton-type herpes virus infection in east african game animals and cattle.neutralization tests with a strain (ba) of allerton-type herpes virus, derived from a buffalo (syncerus caffer) were carried out on 924 sera from 17 species of e. african game animals and on cattle sera from tanzania (2001), kenya (792) and uganda (410).buffalo populations throughout e. africa showed a very high rate of infection, with all animals over 2 years of age serologically positive. antibody was present in some giraffe, waterbuck and hippopotamus sera and, less frequently, in impala, ela ...19714326248
susceptibility of the common eland to infectious bovine rhiotracheitis viurs. 19714328440
evidence of reservior hosts of brucella mellitensis.serological reactors to brucella melitensis were found among goats and eland in chilanga. the only clinical evidence of disease were abortion among the goats, and circumstances did not allow for isolation of the organism in the laboratory. no gross pathological lesions were observed on post mortem examination of the goats. the public health significance relates to the ease of br. melitensis transmission between reservoir hosts and human beings.19761052104
serological evidence of brucella mellitensis infection in goats and eland in zambia. 1977919293
the establishment of theileria-infected cell lines from an eland (taurotragus oryx, lydekker 1906).five cell lines infected with theilerial schizonts were established from lymph node biopsy samples and peripheral blood mononuclear leucocytes taken from a sick eland (taurotragus oryx). in four of the cell lines the schizonts were seen in lymphoblastoid cells, which grew in suspension. the fifth cell line grew as a monolayer and the schizonts were seen to be infecting monocytic macrophage-like cells. many infected multinucleate cells were seen in this culture. it is possible that this represent ...1976817379
observations on the histomorphology of sarcosporidian cysts of some east african game animals (artiodactyla).the histomorphology of formalin-fixed micro and macrosarcosporidian cysts of grant's, thomson's gazelle, impala, wildebeest, bubal hartebeest, cape eland, red duiker, kirk's dik-dik, defassa waterbuck, bohor reedbuck, african buffalo, giraffe, warthog, and giant forest hog is described. the wall of microsarcosporidian cysts is smooth and without villi or with villi. the villi are solid or of honeycomb-like structure on tangential sections. in some animals, microsarcosporidian cysts of almost the ...1975807047
the role of wild mammals in the epidemiology of bovine theilerioses in east africa.the theileriidae of east african wild mammals are reviewed. three species of wild bovidae were captured in east africa. they were africa cape buffalo (syncerus caffer), blue wildebeest (connochaetes taurinus) and eland (taurotragus oryx), and all were found to be naturally infected with theileria species. these animals were studied to determine the transmissibility and pathogenicity of their theilerial infections to cattle. adult rhipicephalus appendiculatus ticks, which had engorged as nymphs o ...1975803580
the prevalence of antibody of antibody to contagious caprine pleuropneumonia (mycoplasma strain f38) in some wild herbivores and camels in kenya.sera of 11 species of wild herbivores were tested for antibody to mycoplasma strain f38 which causes contagious caprine pleuropneumonia (ccpp) in kenya. antibodies were found in buffalo (syncerus caffer) (32%), impala (aepyceros melampus) (10%) and camels (camelus dromedarius) (49%) but not in bushbuck (tragelaphus scriptus), eland (taurotragus oryx), grant's gazelle (gazella granti), kongoni (alcelaphus buselaphus cokei), oryx (oryx beisa), thomson's gazelle (gazella thomsonii), waterbuck (kobu ...1978691121
isolation of a theileria species from eland (taurotragus oryx) infective for cattle.theileria infections were induced in cattle by feeding ticks on them from 3 sources: (a) adult rhipicephalid ticks obtained from the vegetation in a paddock containing an eland eao at the animal orphanage, nairobi national park, kenya, (b) rhipicephalus appendiculatus adults fed as nymphs on the same eland, (c) r. pulchellus adults fed as nymphs on an eland w 68 captured in the machakos district of kenya. both eland were harbouring theileria parasites at the time nymphal ticks were fed. mild inf ...1977407683
structures associated with theileria parasites in eland erythrocytes. 1978102266
subclinical lumbar polyradiculopathy in aged domestic, laboratory, and exotic mammalian species--a light and selected electron microscopic study.lumbar polyradiculopathy, characterized by ballooning myelin sheaths and axonal distortion, was documented in multiple, aged, domestic, laboratory, and exotic mammalian species. animals studied that exhibited this nerve rootlet change included the goat, sheep, pig, white-tailed deer, gerbil, vole, ferret, beaver, hedgehog, chinchilla, north chinese leopard, lion, cheetah, mountain lion, llama, east african eland, uganda giraffe, polar bear, and drill. ultrastructurally, lumbar nerve rootlets fro ...19892766747
antibody to crimean-congo hemorrhagic fever virus in wild mammals from southern africa.crimean-congo hemorrhagic fever (cchf) virus is becoming increasingly recognized as an important human pathogen in southern africa. in order to determine the role of wild mammals in the natural ecology of the virus, sera from 3,772 wild mammals of 87 species and from 1,978 domestic dogs collected in south africa and zimbabwe between 1964 and 1985 were tested for antibody to cchf virus by reversed passive hemagglutination inhibition (rphi) and by indirect immunofluorescence (if). antibody was fou ...19873101526
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 occurrence of infectious diseases in mixed farming of domesticated wild herbivores and livestock in kenya. ii. bacterial diseases.the prevalence of antibodies to brucella spp., mycobacterium paratuberculosis and the mycoplasma spp. causing contagious bovine pleuropneumonia and contagious caprine pleuropneumonia was determined in various species of ruminants on a ranch in the semi-arid zone of southeastern kenya. antibody titers to brucella spp. were found in eland (taurotragus oryx), oryx (oryx beisa) and camels (camelus dromedarius). reactors were not found in buffalo (syncerus caffer), sheep (ovis aries) and goats (capra ...19883373635
the possible role of the eland (taurotragus oryx) in the epidemiology of east coast fever and other bovine theilerioses. 19724633629
ixodes (afrixodes) drakensbergensis n. sp. from domestic and wild animals in natal, republic of south africa.ixodes (afrixodes) drakensbergensis n. sp., is described from females, males, nymphs and larvae collected on a drag at giant's castle nature reserve, natal, republic of south africa; it was also taken from an eland in the same area and from goats and a cow in the adjacent tank area 118. the occurrence of i. (a.) drakensbergensis on domestic animals suggests that it may be of economic importance in this area. information is provided to separate the new species from other closely related ixodes sp ...19751237841
the life cycle of rhipicephalus lunulatus neumann, 1907 (acarina:ixodidae) under laboratory conditions, with notes on its ecology in zimbabwe.the durations of the developmental periods of rhipicephalus lunulatus at 25 degrees c and 87% rh were: preoviposition, 2-9 days; oviposition, 29-34 days; minimum incubation, 11-27 days; nymphal premoult period, 11-23 days; and adult premoult period, 19-30 days. the durations of the feeding periods on a rabbit were: 3-7 days for larvae and 4-11 days for nymphs. adult feeding was completed on a rabbit and a sheep in 10-22 days in january and 14-64 days in september, and only fertilized females com ...19853870962
the scrub hare, a reliable indicator of the presence of hyalomma ticks in the cape province.the host preferences of immature and adult hyalomma marginatum rufipes, hyalomma marginatum turanicum and hyalomma truncatum were studied at various localities in the cape province. the immature stages of all 3 ticks preferred scrub hares (lepus saxatilis) as hosts and were recovered from these animals even when few adult ticks were present on large herbivores in the locality. ground-frequenting birds were also infested, but only with immature h. marginatum rufipes and h. marginatum turanicum. s ...19873612673
some wild hosts of the karoo paralysis tick, ixodes rubicundus neumann, 1904 (acari: ixodidae).a variety of mammal and bird species in the mountain zebra national park, eastern cape province, were examined for ixodes rubicundus. in addition, caracal (felis caracal) from the park and its vicinity as well as from the graaff-reinet region of the karoo were examined. amongst the animals collected, the red rock rabbit (pronolagus rupestris) was a preferred host of the immature stages of the tick. caracal were moderately good hosts of these stages and, with mountain reedbuck (redunca fulvoruful ...19873587926
[wohlfahrtiasis in wild ungulates in the askaniia-nova zoo].the paper presents data on the sick rate with volfartiosis in different species of wild ruminents. the animals were maintained in spacious enclosures (up to 1550 hectare). this disease was recorded in 24 species of animals, african eland (33.5%) and american bison (9.4%) being infected mostly often. the morbidity dinamics within years and its dependence on weather conditions is given. the methods of prophylaxis and medical treatment of wild animals are discussed.19853975068
the amino acid sequence of topi pancreatic ribonuclease.pancreatic tissue from topi (damaliscus korrigum) contains three ribonuclease components in a ratio of 8:22:70. two components are glycosidated, whereas the third one does not contain carbohydrate. the amino acid sequence of topi ribonuclease a was deduced from a tryptic digest of the performic acid-oxidized protein. peptides were positioned by homology with other bovid ribonucleases. only peptides that differed in amino acid composition from the corresponding peptides of bovine ribonuclease wer ...1976990282
effect of lipid solvents on cutaneous moisture loss.application of various lipid solvents and dimethyl sulphoxide to the skin of cattle, sheep, eland and african buffalo exposed to an air temperature of 20 degrees c caused an increase in cutaneous moisture loss. the effect did not occur after exposure to an air temperature of 40 degrees c or after adrenaline administration. blockage of sweating by either bethanidine or phenoxybenzamine did not affect the response. camel, donkey, dog and man showed no increase in cutaneous moisture loss after lipi ...1977921632
seasonal activity and hosts of the vectors of crimean-congo haemorrhagic fever in south africa.the seasonal activity and hosts of two species of hyalomma, h. marginatum rufipes and h. truncatum, were studied in a crimean-congo haemorrhagic fever (cchf) zone near bloemhof in the western transvaal. the study was conducted at the s.a. lombard nature reserve, where a child had died from this disease. it was found that adults of the two species are very common during summer while the immature stages were active during winter and also demonstrated a second peak of activity in november. h. margi ...19863961619
the effect of xylazine and xylazine-etorphine- acepromazine combination on some clinical and haematological parameters in impala and eland. 19744436924
blood parasites of some wild bovidae in botswana.blood smears from a total of 282 wild bovidae from ngamiland, botswana were examined for the presence of blood parasites. the following species were sampled: 190 african buffalo, 23 impala, 10 blue wildebeest, 18 tsessebe, 1 eland, 13 lechwe, 16 kudu and 11 sable antelope. in addition, blood from 36 of the above antelope and from a further 48 buffalo was inoculated into rodents to test for the presence of trypanosomes. an anaplasm morphologically indistinguishable from anaplasma marginale theile ...1975813170
variation in the sensitivity of successive variable antigen types in a trypanosoma (trypanozoon) brucei subspecies clone to some african game animal sera.a trypanosoma brucei subspecies clone was passaged in rats at ten-day intervals and the sensitivity/resistance to a variety of mammalian sera, of the successive variable antigen types (vats) produced, was examined sequentially in a modified version of the blood incubation infectivity test (biit). a proven homogeneous vat was used to initiate this series of tests, in which seven successive and different vats were each exposed in vitro at 38.5 degrees c for 2 h to standard samples of pooled rat se ...19816115551
heartwater in the eland. 19734769851
the response of some african wildlife species to foot-and-mouth disease vaccination.the preservation of wildlife is of increasing importance in may countries in africa but, due to hazards of possible transmission of disease from wild to domesticated species, the interests of the conservationist can conflict with those of the livestock owner. foremost among transmissible diseases common to many species of both wild and domesticated animals is foot-and-mouth disease (fmd). the effects of fmd vaccination on three important wildlife species, african buffalo (syncerus caffer), eland ...19806251284
experiments on the babesia bigemina carrier state in east african buffalo and eland.three captive east african buffalo (syncerus caffer) were injected with 5 x 109 bovine erythrocytes with babesia bigemina pathogenic for cattle. none of the buffalo showed signs of disease, but babesia were found in blood smears for four days indicating their multiplication. the carrier state of babesia bigemina was established in two buffalo for 28 and 147 days respectively by sub-inoculation into splenectomized calves, while no parasites were demonstrated 28 days after injection in the third b ...1979543000
antelopes (bovidae) kept in european zoological gardens as intermediate hosts of sarcocystis species.four different forms of sarcocysts from the zoo-kept antelopes addax nasomaculatus. antilope cervicapra, taurotragus oryx and boselaphus tragocamelus (bovidae) were investigated by light and transmission electron microscopy, in special consideration of the cyst wall. the sarcocysts found in addax (born in a zoo) were not distinguishable from sarcocystis medusiformis of australasian sheep by their morphology and would be the first indication for the occurrence of this species in europe. sarcocyst ...19969257346
experimental tick transmission of theileria species between eland. 1977412942
characteristics of theileria species (eland) infections in eland and cattle. 1979116335
[clostridium septicum in a derby eland]. 19695408497
basic haematological values in antelopes--ii. the hippotraginae and the tragelaphinae.basic haematological values in 49 animals of five species of the subfamily hippotraginae, namely the roan antelope hippotragus equinus, sable antelope hippotragus niger, adax antelope addax nasomaculatus, gemsbok oryx oryx gazella gazella and scimitar horned oryx oryx damah and in 51 individuals of five species in the subfamily tragelaphinae, including the bushbuck tragelaphus scriptus, nyala tragelaphus angasi, greater kudu tragelaphus strepsiceros, cape eland tautotragus oryx and bongo bocercu ...19846149054
metabolism, respiratory changes, and water balance of an antelope, the eland. 19695785895
the development of theileria=cytauxzoon taurotragi (martin and brocklesby, 1960) from eland in its tick vector rhipicephalus appendiculatus.the sexual cycle of theileria taurotragi was identified in the gut lumen of replete rhipicephalus appendiculatur nymphs maintained at 28 degrees c which had fed on eland with rising parasitaemias. macro- and micro-gametes developed from ring-form piroplasms within 24 h after repletion. the microgamonts were elongate with 2 or more lateral projections. the nuclei of the microgamonts divided into 4 and the microgamonts differentiated into 4 thread-like microgametes each with a central nucleus. rou ...19806775268
the effects of different eland and waterbuck sera on trypanosoma brucei rhodesiense clones from lion and from man. 19826764401
effects of some african game animal sera on trypanosoma brucei rhodesiense and t.b. brucei clones.the effects of different african game sera on trypanosoma brucei rhodesiense and t.b. brucei clones have been studied in vitro and in vivo, for the first time, using a modified version of the blood incubation infectivity test (biit). trypanosomes were incubated in vitro with serum samples from a number of different game animal species and their subsequent infectivity for proven susceptible rats then examined after one hour and 8 hours of serum incubation. sera from eland, waterbuck and, to a les ...19827051497
causal agents of bovine theileriosis in southern africa.one pathogenic and 4 mild bovine theileria strains from southern africa, all transmitted by rhipicephalus appendiculatus, were compared amongst themselves as well as to bovine and buffalo strains of the t. parva complex from eastern and southern africa and to bovine strains of t. taurotragi from tanzania considered to be derived from eland antelope. criteria used were parasitological, clinical, serological and cross-immunity characters. the mild strains are similar to bovine t. taurotragi. serol ...19826812250
lack of reactivity of sera from theileria parva-infected and recovered cattle against cell membrane antigens of theileria parva transformed cell lines.sera from theileria parva infected, recovered and rechallenged cattle were tested in complement-dependent cytotoxicity, membrane immunofluorescence and antibody-dependent cellular cytotoxicity assays for the presence of antibodies against cell membrane antigens of t. parva transformed cell lines. in the complement-dependent antibody-mediated cytotoxicity assay, sera from lethally infected animals were negative. some recovered cattle showed a positive reaction, but such reactions were also observ ...19826812275
[comparative study of the chemical composition of excrement from some large african herbivorous mammals].in the course of an ecological and comparative study concerning the beetle and fly communities inhabiting the droppings of some large african grass-eating mammals, we analysed the chemical composition of fresh dung dropped in winter 1977-1978 and in spring 1978. the mammals concerned are : blesbok (damaliscus pygargus albifrons pallas), impala (aepyceros melampus licht.), bongo (boocerus euryceros ogilby), nyala (tragelaphus angasi angas), eland from cap (taurotragus oryx pallas), eland of lloyd ...19807258040
fatal theileriosis in eland (taurotragus oryx): pathology of natural and experimental cases.clinical, parasitological and pathological studies were made on five eland infected with theileria. three were natural theileria infections while the other two were experimental cases. all eland died. generalised lymph node enlargement was a common feature. wasting occurred in the more prolonged cases and in two of the field cases severe terminal diarrhoea developed. the third field case died in severe respiratory distress. in all cases, up to 50 per cent piroplasm parasitaemia was wound and sch ...19807193340
interstitial cell (leydig) tumor in an eland (taurotragus oryx).we observed an interstitial cell tumor in an 18-mo-old captive eland bull (taurotragus oryx) in tel aviv, israel. the histological description of the tumor in the eland was similar to that described in cattle; however, the appearance of a moderate amount of lipid vacuoles in the cytoplasm of the neoplastic cells was uncharacteristic for bovine interstitial cell tumors. the eland also had clinical signs of gynecomastia.19948028122
an outbreak of pasteurellosis in kano zoo.an outbreak of pasteurellosis caused by pasteurella multocida is reported in which six elands (taurotragus oryx), a gnu (connochaetes taurinus albojubatus), a zebra (equus bruchelli), five kangaroos (macropus rufus), an ostrich (struthio camelus camelus) and a bateleur eagle (terathopius ecaudatus) died in kano zoological gardens toward the end of the rainy season of 1978. confirmation was based on cultural isolation of p. multocida. analysis of likely factors that could have contributed to the ...19807373722
epidemiological observations on spongiform encephalopathies in captive wild animals in the british isles.since 1986, scrapie-like spongiform encephalopathy has been diagnosed in 19 captive wild animals of eight species at or from eight zoological collections in the british isles. the affected animals have comprised members of the family bovidae: one nyala (tragelaphus angasi), four eland (taurotragus oryx), and six greater kudu (tragelaphus strepsiceros), one gemsbok (oryx gazella), one arabian oryx (oryx leucoryx), and one scimitar-horned oryx (oryx dammah), and members of the family felidae: four ...19947817514
cowdria ruminantium identified in amblyomma gemma using a dna probe pcs20.amblyomma gemma ticks were collected from wild animals on a 20,000 acre game ranch in a heartwater endemic area in kenya, close to nairobi. a. variegatum is the main vector of heartwater in kenya. e.a. lewis, 1947, in a one sentence report has implicated a. gemma to be a vector of heartwater without giving any details. adult a. gemma were collected from giraffe giraffa camelopardalis, hartebeest alcephalus busephalus, eland taurotragus oryx and ostrich struthio camelus during cropping exercises. ...19938134629
dynamics of host blood effects in glossina morsitans sspp. infected with trypanosoma congolense and t. brucei.the pattern of infection in glossina morsitans morsitans and g. m. centralis membrane-fed on eland, buffalo or goat blood mixed with trypanosoma congolense or t. brucei was studied from day 1 to day 10. tsetse were initially permissive vectors, with most flies harbouring infections of 10(4)-10(5) parasites on day 3. however, after a second blood meal on day 3, flies cleared many infections, with g. m. morsitans clearing more infections than g.m. centralis. infective feeds of goat blood consisten ...19948036228
intraocular pressure and tear production in captive eland and fallow deer.applanation tonometry was used to estimate intraocular pressure (iop) and schirmer tear test (stt) i was used to estimate tear production in both eyes of 12 juvenile elands (taurotragus oryx) and one eye each of 15 asian fallow deer (dama mesopotamica). mean (+/- standard deviation) iop was 14.6 +/- 4.0 mm hg in the eland and 11.9 +/- 3.3 mm hg in the deer. mean tear production was 18.7 +/- 5.9 mm/min in the eland and 10.5 +/- 6.5 mm/min in the deer. the large variation in iop between two member ...200111310895
relationships between protease activity, host blood and infection rates in glossina morsitans sspp. infected with trypanosoma congolense, t. brucei and t. simiae.midgut protease activity in glossina morsitans centralis and g.m. morsitans, at 48 h post bloodmeal averaged 1.8iu of trypsin-like activity. these two tsetse subspecies differ in their susceptibility to trypanosome infection. except for low levels in flies fed on waterbuck blood (0.7 iu), activity did not differ in flies fed a variety of host bloods (goat, pig, cow, buffalo, eland) and trypanosome species (trypanosoma congolense, t. brucei, t. simiae). protease activity was also not correlated w ...19948161844
african buffalo serum contains novel trypanocidal protein.the high ability of african buffalo, as compared to domestic cattle, to control infections with trypanosoma brucei brucei iltat 1.4 organisms did not correlate with the timing or magnitude of parasite surface coat-specific antibody responses and may have resulted from the constitutive presence in buffalo blood of a novel trypanocidal factor. buffalo plasma and serum contained material that killed bloodstream stage t. b. brucei, t. b. rhodesiense, t. b. gambiense, t. evansi, t. congolense, and t. ...19948167620
the role of wild animals, other than buffalo, in the current epidemiology of foot-and-mouth disease in zimbabwe.between 1989 and 1992, 7970 wild ungulates, comprising 14 different species, were tested for antibodies to types sat 1, sat 2 and sat 3 foot-and-mouth disease (fmd) virus. of these 1.2% were found to be positive and these included impala (aepyceros melampus), eland (taurotragus oryx), waterbuck (kobus ellipsiprymnus) and sable (hippotragus niger). all the positive animals were either from the wildlife areas where buffalo (syncerus caffer) occur or from ranches where clinical fmd had occurred in ...19938270015
the influence of host blood on infection rates in glossina morsitans sspp. infected with trypanosoma congolense, t. brucei and t. simiae.trypanosoma congolense, t. brucei and t. simiae isolated from wild-caught glossina pallidipes were fed to laboratory-reared g. morsitans centralis and g.m. morsitans to determine the effect of host blood at the time of the infective feed on infection rates. bloodstream forms of trypanosomes were membrane-fed to flies either neat, or mixed with blood from cows, goats, pigs, buffalo, eland, waterbuck and oryx. the use of different bloods for the infective feed resulted in differences in infection ...19938355996
the effect of host blood in the in vitro transformation of bloodstream trypanosomes by tsetse midgut homogenates.midgut homogenates prepared from glossina morsitans morsitans, that had previously been fed on different host blood samples, were tested for their abilities to transform bloodstream trypanosoma brucei into procyclic (midgut) forms in vitro. compared to rat and goat blood samples, eland blood had the least capacity to support trypanosome transformation, whereas buffalo blood showed intermediate capacity. fractionation of rat blood showed the importance of the cellular portion since both rat and e ...19968994132
sarcoptic mange in wild ruminants in zoological gardens in israel.sarcoptic mange (sarcoptes scabiei) occurred among wild ruminant species in five zoological gardens in israel, from 1984 to 1994. infestation of five ruminants by s. scabiei is reported for the first time: mountain gazelles (gazella gazella), nubian ibexes (capra ibex nubiana), a barbary sheep (ammotragus lervia), elands (taurotragus oryx), and an arabian oryx (oryx leucoryx). all animals in the herds were administered ivermectin orally at a dose of 200 micrograms/kg body weight daily for 3 cons ...19968627937
psychoactive constituents of the genus sceletium n.e.br. and other mesembryanthemaceae: a review.the use by the khoisan of south africa of sceletium plants in psychoactive preparations has often been alluded to in the literature. however, much of it is fragmentary and contradictory. the current review reassembles the historical data recorded over a 300-year period, describes techniques for the preparation and use of "kougoed' from plants of sceletium and documents the subjective experiences of a number of contemporary users. apart from chewing the dried product, after "fermentation', there ...19968691846
a pilot trial on the experimental infection of springbok (antidorcas marsupialis) and eland (taurotragus oryx) with a goat strain of strongyloides papillosus. 19968765065
the ixodid tick burdens of various large ruminant species in south african nature reserves.the ixodid tick burdens of eland (taurotragus oryx), greater kudu (tragelaphus strepsiceros), nyala (tragelaphus angasi), bushbuck (tragelaphus scriptus) and giraffe (giraffa camelopardalis) in the kruger national park, transvaal; of african buffalo (syncerus caffer) and nyala in the hluhluwe game reserve, natal; and of gemsbok (oryx gazella) in the mountain zebra national park, an eland in the thomas baines nature reserve and an eland and greater kudu in the andries vosloo kudu reserve, eastern ...19836646664
helminth parasites of game in transkei.opportunities have been taken to examine sundry game animals for parasites over the past 2 years. a host parasite check list is presented from which it may be noted that oesophagostomum columbianum is recorded for the first time in the red hartebeest alcelaphus buselaphus and haemochus bedfordi for the first time in the eland taurotragus oryx.19846492055
antibodies to neospora caninum in wild animals from kenya, east africa.the prevalence of antibodies to neospora caninum was examined in six wild artiodactyla species, and in five wild carnivora species from kenya. blood sera (104 wild ungulates from marula estates (mes), and 31 wild carnivores from masai-mara reserve and from other wildlife areas in northern and southern kenya), were screened using a neospora agglutination test (nat), with a twofold dilution (1:40-1:320 titres). presence of nat antibodies to n. caninun is reported here for the first time in zebra ( ...200314651874
the prevalence of antibody to the viruses of bovine virus diarrhoea, bovine herpes virus 1, rift valley fever, ephemeral fever and bluetongue and to leptospira sp in free-ranging wildlife in zimbabwe.the prevalence of antibody to the viruses of bovine virus diarrhoea (bvd), bovine herpes virus typel (bhv1), rift valley fever (rvf), bovine ephemeral fever (bef) and bluetongue (bt) and to leptospira sp. was determined in wildlife populations in zimbabwe. evidence of infection with bvd virus was found in 14 of the 16 species examined but was greatest in eland taurotragus oryx, nyala tragelaphus angasi and bushbuck tragelaphus scriptus. persistent infection with bvd virus was found in 1 of 303 a ...19989825798
seroprevalences of antibodies to neospora caninum and toxoplasma gondii in zoo animals.neospora caninum is an apicomplexan parasite that causes neuromuscular disease in dogs and abortions in cattle. little is known about the prevalence of antibodies to this parasite in zoo animals. sera from 556 animals, from 13 czech and slovak zoos were tested for antibodies to n. caninum and toxoplasma gondii by indirect fluorescent antibody test. antibodies to n. caninum were found in 31 of 556 zoo animals (5.6%), representing 18 of 114 species tested: eurasian wolf (canis lupus lupus), maned ...200616387445
demonstration of a carrier state for cowdria ruminantium in wild ruminants from africa.four wild african ruminants, eland (taurotragus oryx), giraffe (giraffa camelopardalis), kudu (tragephalus strepsiceros strepsiceros), and blue wildebeest (connochaetes taurinus), were experimentally infected with the rickettsia cowdria ruminantium, the tickborne agent causing heartwater in domestic ruminants. the infections were established, and c. ruminantium was transmitted to naive small ruminants by the vector amblyomma hebraeum when transmission attempts were made at days 128 (eland and wi ...19989706566
study on the sequential tsetse-transmitted trypanosoma congolense, t. brucei brucei and t. vivax infections to african buffalo, eland, waterbuck, n'dama and boran cattle.susceptibility of african buffalo, eland, waterbuck, n'dama and boran cattle to sequential glossina morsitans centralis-transmitted infections of trypanosoma congolense, t. brucei brucei and t. vivax was compared, and their possible role as reservoirs of these parasites for g. moristans centralis, g. pallidipes, g. austeni, g. brevipalpis and g. longipennis determined. the buffalo, eland, waterbuck and n'dama controlled t. congolense parasitaemias and were able to prevent anaemia. by contrast, o ...19999950344
prevalence of toxoplasma gondii antibodies in sera of domestic pigs and some wild game species from zimbabwe.serum samples of domestic pigs (sus scrofa), elands (taurotragus oryx), sable antelopes (hippotragus niger), warthogs (phacochoerus aethiopicus), bushpigs (koiropotamus [potamochoerus] koiropotamus), white rhinos (ceratotherium simus), african buffalos (syncerus caffer), wildebeest (connochaetas taurinus), and african elephants (loxodonta africana) from zimbabwe were tested for toxoplasma gondii igg antibodies by the modified agglutination test (mat) with whole formalized tachyzoites and mercapt ...199910219323
rinderpest epidemic in wild ruminants in kenya 1993-97.a severe epidemic of rinderpest, affecting mainly wild ruminants, occurred between 1993 and 1997 in east africa. buffalo (syncerus caffer), eland (taurotragus oryx) and lesser kudu (tragelaphus imberbis) were highly susceptible. the histopathological changes, notably individual epithelial cell necrosis with syncytia formation, were consistent with an infection with an epitheliotrophic virus. serology, the polymerase chain reaction, and virus isolation confirmed the diagnosis and provided epidemi ...199910579537
cytochrome b phylogeny of the family bovidae: resolution within the alcelaphini, antilopini, neotragini, and tragelaphini.the family bovidae is characterized by an incomplete fossil record for the period during which most bovid subfamilies emerged. this, coupled to extensive morphological convergence among species, has given rise to inconsistencies in taxonomic treatments, especially at the tribal and subfamilial levels. in an attempt to clarify some of these issues we analyzed the complete mtdna cytochrome b gene (1140 bp) from 38 species/subspecies representing at least nine tribes and six subfamilies. specific e ...199910222159
cell-mediated immune responses in cattle vaccinated with a vaccinia virus recombinant expressing the nucleocapsid protein of rinderpest virus.rinderpest virus (rpv) is a member of the genus morbillivirus in the family paramyxoviridae which causes an acute and often fatal disease in large ruminants. to examine the immune response to the virus nucleocapsid (n) protein, a recombinant vaccinia virus expressing rpv nucleocapsid protein (rvv-rpv-n) was used to vaccinate cattle. the recombinant vaccine induced low levels of non-neutralizing anti-n antibodies. rpv-specific cell-mediated immunity induced by the recombinant was assessed by meas ...199910423130
a molecular cytogenetic analysis of the tribe bovini (artiodactyla: bovidae: bovinae) with an emphasis on sex chromosome morphology and nor distribution.q-band comparisons were made among representative species of the four genera of the tribe bovini (bos, bison, bubalus, syncerus) as well as to selected outgroup taxa representing the remaining two tribes of the subfamily bovinae (nilgai, boselaphini; eland, tragelphini), the bovidae subfamily caprinae (domestic sheep) and the family cervidae (sika deer and white-tailed deer). extensive autosomal arm homologies were noted, but relatively few derivative character states were shared. focus was then ...199910560971
typing of pestiviruses from eland in zimbabwe.pestiviruses were isolated from three eland (taurotragus oryx) in zimbabwe. the viruses were characterised by typing with monoclonal antibodies and by partial genetic sequencing. all were similar to bovine viral diarrhea viruses commonly isolated from cattle. this suggests that bovine viral diarrhea virus can spread from cattle to eland.200010682761
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
studies on the genus setaria viborg, 1795 in south africa. i. setaria africana (yeh, 1959).setaria africana (yeh, 1959) is represented by two subspecies, setaria africana africana troncy, graber & thal, 1976 from giant eland (taurotragus derbianus) from the central african republic and cameroon and setaria africana farchai troncy, graber & thal, 1976 from bushbuck (tragelaphus scriptus), also from the central african republic. material collected from nyala (tragelaphus angasii), bushbuck and kudu (tragelaphus strepsiceros) from several localities in the eastern region of south africa ...200011206389
design, synthesis and pharmacological characterization of a potent radioiodinated and photoactivatable peptidic oxytocin antagonist.using a segment strategy, we have synthesized four iodinated photoactivatable cyclic peptidic ligands of oxytocin, bearing a beta-mercapto-betabeta-cyclopentamethylene propionic group (pmp) on their n-terminus. all the syntheses were rp-hplc monitored, and the compounds were hplc purified. they were characterized by 1h nmr, maldi-tof, or fab mass spectrometries. the affinities of pmp-tyr(me)-ile-thr-asn-cys-gly-orn-phe(3i,4n3)-nh2 (20), pmp-tyr-ile-thr-asn-cys-gly-orn-phe(3i,4n3)-nh2 (21), pmp-t ...200111520211
transmission of cowdria ruminantium by amblyomma gemma from infected african buffalo (syncerus caffer) and eland (taurotragus oryx) to sheep.two african buffalo (syncerus caffer), an eland (taurotragus oryx) and a waterbuck (kobus defassa) were intravenously inoculated with cowdria ruminantium (kiswani). amblyomma gemma nymphs were fed on the animals at 3 weekly intervals. jugular blood was also collected at 3 weekly intervals and inoculated into sheep. nymphal ticks that fed on one buffalo on days 16 and 37 and on the other buffalo on day 58 after infection transmitted the disease as adults to sheep. nymphs that were applied to the ...200111556617
adaptive heterothermy and selective brain cooling in arid-zone mammals.adaptive heterothermy and selective brain cooling are regarded as important thermal adaptations of large arid-zone mammals. adaptive heterothermy, a process which reduces evaporation by storing body heat, ought to be enhanced by ambient heat load and by water deficit, but most mammals studied fail to show at least one of those attributes. selective brain cooling, the reduction of brain temperature below arterial blood temperature, is most evident in artiodactyls, which possess a carotid rete, an ...200211923074
indirect enzyme-linked immunosorbent assay for the detection of antibody against rift valley fever virus in domestic and wild ruminant sera.an indirect enzyme-linked immunosorbent assay (i-elisa) for the detection of specific igg immunoglobulins against rift valley fever virus (rvfv) was validated in-house. a total of 3055 sera from sheep (n = 1159), goats (n = 636), cattle (n = 203), african buffalo (n = 928), and other wild ruminants (n = 129), including eland, kudu, and black wildebeest, was used. sera from domestic ruminants were collected in west (n = 10), south (n = 1654) and east africa (n = 334), and sera from wild ruminants ...200312825681
a questionnaire survey of the management and use of anthelmintics in cattle and antelope in mixed farming systems in zimbabwe.a survey of the management of mixed farming of cattle and antelope and use of anthelmintics was conducted on eleven farms between august and december 1999 by a self-administered questionnaire. seventeen antelope species ranging from grey duikers (sylvicapra grimmia) to eland (taurotragus oryx) occurred on the farms. impala (aepyceros melampus) was the most abundant antelope on the farms. seventy-five per cent of the antelope species on the farms were grazers and mixed feeders and shared grazing ...200212240773
redescriptions of haemonchus mitchelli and haemonchus okapiae (nematoda: trichostrongyloidea) and description of a unique synlophe for the haemonchinae.in the course of a revision of haemonchus cobb, 1898 (nematoda), commonly referred to as large stomach worms, significant new morphological information was discovered that allows the recognition of 2 species believed for more than 50 yr to be synonymous. both species, haemonchus mitchelli le roux, 1929, from the eland taurotragus oryx and other african ruminants and h. okapiae van den berghe, 1937, from the okapi okapia johnstoni, have a synlophe of 42 ridges, but the synlophe of h. mitchelli is ...200212435136
x chromosome evolution in the suni and eland antelope: detection of homologous regions by fluorescence in situ hybridization and g-banding.comparative cytogenetics and fluorescence in situ hybridization (fish) were used to track structural rearrangements in the x chromosomes of two african antelope species, the eland (taurotragus oryx; tribe tragelaphini) and the suni (neotragus moschatus; tribe neotragini). using two microdissected cattle chromosome painting probes (one specific for xp-containing sequences corresponding to xp24-->p12 of the cattle x, and one specific for xq-containing sequences corresponding to xq12-->qter), we sh ...19979284920
intraocular nematodiasis caused by parelaphostrongylus tenuis in an eland antelope (taurotragus oryx).a 10-mo-old female eland (taurotragus oryx) at the wilds exhibited recalcitrant, progressive unilateral uveitis for a 5-wk period, despite constant medical treatment. unilateral enucleation was performed because of blindness and animal discomfort evidenced by continuous blepharospasm. histopathologic examination of the eye demonstrated intraocular larvae morphologically consistent with parelaphostrongylus tenuis, the first known case of intraocular p. tenuis migration. this animal subsequently w ...200312885139
influence of diet on the rumen protozoal fauna of indigenous african wild ruminants.a study was carried out to determine if the protozoal fauna of indigenous african wild ruminants was different from that found in their domestic counterparts and if the animal's diet influenced the number and types of protozoa. samples of rumen contents were collected in 1997 and 2001 from various indigenous african wild ruminants in kenya. all three ruminant feeding types were sampled: browsers or concentrate selectors (giraffe and guenther's dik-dik); intermediate or adaptable mixed feeders (i ...200312836880
phylogenetic analysis of the microbial populations in the wild herbivore gastrointestinal tract: insights into an unexplored niche.at present, there is little information on the phylogenetic diversity of microbial species that inhabit the gastrointestinal tracts of wildlife. to increase understanding in this area, we initiated a characterization of the bacterial diversity in the digestive tracts of three wild african ruminant species namely eland (taurotragus oryx), thompson's gazelle (gazella rufifrons) and grant's gazelle (gazella granti), together with a domesticated ruminant species, zebu cattle (bos indicus), and a non ...200314641599
interactions among host diet, nutritional status and gastrointestinal parasite infection in wild bovids.in this study, i explored the interactions among host diet, nutritional status and gastrointestinal parasitism in wild bovids by examining temporal patterns of nematode faecal egg shedding in species with different diet types during a drought and non-drought year. study species included three grass and roughage feeders (buffalo, hartebeest, waterbuck), four mixed or intermediate feeders (eland, grant's gazelle, impala, thomson's gazelle) and two concentrate selectors (dik-dik, klipspringer). six ...200415013743
growth of cowdria ruminantium in tissue culture endothelial cell lines from wild african mammals.endothelial cell cultures were established from several wild african mammalian species. long-term cultures were established from three ruminants, stable antelope (hippotragus niger), buffalo (syncerus caffer), and eland (tragelaphus oryx), and from an omnivore, the bushpig (potamochoerus porcus). cowdria ruminanntium was isolated from plasma of clinically affected animals in these four cell lines and in bovine endothelial cells used routinely for c. ruminantium propagation. nineteen different st ...19989577776
characterization of anaplasma isolates from eland (taurotragus oryx). pathogenicity in cattle and sheep and dna profiles analysis.two eland anaplasma isolates, anape1, from kenya, and anape2, from south africa were characterised. their characterization was based on their pathogenicity to intact and splenectomized cattle and sheep and also their dna profiles. their dna profiles were analysed and compared to anaplasma marginale, a. ovis and a. centrale after endonuclease restrictions and probing with anaplasma dna probes, ac5-12 and ac-1. the results of the pathogenicity trials showed anape1 to be similar to a. ovis and anap ...19989561699
the genus hyalomma koch, 1844. i. reinstatement of hyalomma (euhyalomma) glabrum delpy, 1949 (acari, ixodidae) as a valid species with a redescription of the adults, the first description of its immature stages and notes on its biology.for nearly 50 years the ixodid tick hyalomma marginatum turanicum, reputedly introduced into south africa on imported persian sheep, has been considered identical to the asian hyalomma (euhyalomma) marginatum turanicum pomerantzev, 1946. comparisons of this tick with the asian h. (e.) m. turanicum and other subspecies of hyalomma (euhyalomma) marginatum, however, reveal that it is an old taxon, namely hyalomma rufipes glabrum delpy, 1949. it is hereby reinstated as hyalomma (euhyalomma) glabrum, ...200616715874
experience with drugs for capture and restraint of wildebeest, impala, eland and hartebeest in kenya.two hundred and sixteen wildebeest (connochaetes taurinus), 111 impala (aepyceros melampus), 39 eland (taurotragus oryx) and 9 hartebeest (alcelaphlus buselaphus cokii) were drug-immobilized for capture or for handling in captivity. drugs used for capture were combinations of xylazine, etorphine and acepromazine, or xylazine and fentanyl, with or without the addition of azaperone. for restraint in captivity, xylazine alone proved to be satisfactory in most instances. drugs were injected with pro ...197616498891
acaricide efficiency of amitraz/cypermethrin and abamectin pour-on preparations in game.the efficacy of an amitraz/cypermethrin pour-on preparation (1% w/v each) was tested against natural tick infestations of buffaloes, eland and blesbok in three separate trials. the eland were also treated with a 0.02% abamectin (w/v) acaricidal pour-on preparation. the amitraz/cypermethrin pour-on was effective against amblyomma hebraeum, rhipicephalus evertsi evertsi, rhipicephalus appendiculatus and hyalomma marginatum rufipes on the buffaloes. both acaricides were effective against r. appendi ...200516562734
a 12-month survey of the gastro-intestinal helminths of antelopes, gazelles and giraffids kept at two zoos in belgium.faecal egg count patterns and clinical signs associated with gastro-intestinal (gi) nematodes of 107 zoo ruminants were monitored at fortnightly intervals for 1 year. the ruminants in this study were kept under different husbandry conditions at two sites of the royal zoological society of antwerp, the antwerp zoo and the animal park planckendael. artiodactylids involved were arabian oryx (oryx leucoryx), scimitar-horned oryx (oryx dammah), bongos (tragelaphus euryceros isaaci), sitatungas (trage ...200415710531
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