| studies on the hatching of miracidia of dicrocoelium dendriticum (author's transl). | the eggs of dicrocoelium dendriticum were induced to open by solutions of formic acid and caproic acid (table 1). the miracidia hatched in o2-free water after the eggs had been dried with n2 or in vacuum. the miracidia were able to live for 3 hours if water contained 20 mm nacl, 10 mm kcl, and 1 mm cacl2. ca++-ions are obviously necessary for the mobility of miracidia. the experimental use of intestinal juice of the roman snail helix pomatia gave hatching results which were dependent on the abse ... | 1975 | 3901 |
| [effectiveness of cambendazole (bonlam paste) in sheep invaded by tramatodes (dicrocoelium dendriticum)]. | tests were performed to examine the effectiveness of a new form of cambendazole (bonlam paste, produced by msd, usa) in sheep, naturally invaded by the trematodes dicrocoelium dendriticum. single administration of 25 mg per 1 kg live weight induced a rapid decrease in the number of the excreted eggs of d. dendriticum, as counted during ovoscopic examination seven, ten, and fifteen days after administration of the chemical. the intenseffectiveness of the preparation, determined post mortem, was 9 ... | 1978 | 99862 |
| [parasites of the gdr. 3. endoparasites of the hare (lepus europeus)]. | 96 hares from the eastern region of the dresden district were examined for endoparasites and the results compared with those of other authors from gdr and the neighbouring countries. out of the 27 endoparasites which up till now are recorded in the middle european region in gdr are found 6 coccidia-spp.: eimeria leporis, e. robertsoni, e. townsendi, e. semisculpta, e. europaea, e. hungarica and the helminths: fasciola hepatica, dicrocoelium dendriticum, cittotaenia denticulata, andrya rhopalocep ... | 1979 | 507443 |
| [the occurrence of hepatic trematodes in sheep from emilia-romagna]. | in the present investigations, 563 samples of ovine faeces from 32 flocks of emilia-romagna have been examined for the presence of hepatic trematodes eggs. all flocks proved positive for dicrocoelium dendriticum and 16 for fasciola hepatica; 511 (90,76%) out of 563 animals proved positive, with 507 (90,05%) for d. dendriticum and 50 (8,88%) for f. hepatica, 46 of these last ones were positive for both parasites. | 1978 | 553275 |
| [metric growth of the uterus in digenetic trematodes (author's transl)]. | 1. the length of the uterus of dicrocoelium dendriticum, pleurogenoides medians and fasciola hepatica at different stages of development is correlated with the corrected size of the body (parallel length x breadth). 2. the data plotted in a log-scale show for all three species a sigmoid curve with linear middle section. 3. the function y = ax + ac(xw - x)3 + b(y = log length of the uterus, x = log length of the body, xw = log length of the body at the turning point) fits very well to the data ob ... | 1978 | 567903 |
| isolation and characterization of the hemoglobin from the lanceolate fluke dicrocoelium dendriticum. | the hemoglobin of the flatworm dicrocoelium dendriticum, a lanceolate fluke which infests the hepatic ducts of certain mammals, has been isolated by gel filtration and ion-exchange chromatography. the molecular weight of the denatured protein was found to be 15500, a value in the same range as hemoglobin subunits. the fact that the native hemoglobin has an apparent molecular weight of 22000 in 0.01 m phosphate buffer, ph 7.4, suggests limited aggregation. the protein contains, as all other myogl ... | 1978 | 689024 |
| [eimeria leuckarti and dicrocoelium dendriticum observed in horses imported to denmark]. | | 1975 | 1161456 |
| [dicrocoelium dendriticum in sheep in the democratic republic of germany district of frankfurt/oder]. | in the district of frankfurt/oder of the german democratic republic, faecal examinations of 143 sheep stocks revealed a 31.3 percent infection with dicrocoelium dendriticum. in different territories of the district, the intensity of the infection with dicrocoelium dendriticum varied remarkably. detailed investigations demonstrated, that the parasite was limited to pastures with brownearth soil. routine examinations revealed the fact, that the egg-output of dicrocoelium dendritcum was very variab ... | 1975 | 1190548 |
| efficacy of intraruminal albendazole boluses against dicrocoelium dendriticum in sheep. | the anthelmintic potential of albendazole (abz) in intraruminal boluses (proftril-captec) was investigated in sheep harbouring naturally acquired dicrocoelium infection. the anthelmintic efficacy was assessed by coprological testing during the autumn pasture and comparison of worm counts in 22 necropsied animals (11 treated and 11 untreated) at the end of the experiment. the mean faecal egg count (epg) in treated animals dropped significantly during week 2, and between the 4th and the 12th week ... | 1992 | 1480598 |
| percutaneous ultrasound-guided cholecystocentesis in cows. | a method was developed for percutaneous ultrasound-guided cholecystocentesis in cattle. the procedure was performed on the right side in the 9th, 10th, or 11th intercostal space of 30 cows. of the 30 cows, 20 were slaughtered 24 hours after cholecystocentesis and the remaining 10 cows were slaughtered after a 10-day observation period. changes in the peritoneum and gallbladder wall, observed at slaughter, were minimal. during the 10-day observation period, general behavior, attitude, and appetit ... | 1992 | 1497173 |
| intestinal parasitic infections in schoolchildren of abha (asir), saudi arabia. | stool specimens from 1282 children between the age of 5 and 13 years attending 10 primary schools for boys in the city of abha, southwestern saudi arabia, were examined for the presence of intestinal parasites. of these, 313, (24.4%) were found infected with one or more species of 11 intestinal protozoa and helminths. the most common pathogenic protozoa being giardia lamblia (10.9%) followed by entamoeba histolytica (4.1%). the nonpathogenic protozoan, entamoeba coli had the highest prevalence r ... | 1991 | 1671621 |
| effect of a controlled-release albendazole capsule on parasitism and productivity of sheep. | the efficacy of intraruminal albendazole (abz) capsules (profitril-captec) and the effect of treatment on productivity were studied in 300 ewes infected with gastrointestinal nematodes and the trematode dicrocoelium dendriticum. coprological tests revealed that treated animals remained negative for 10 weeks after the administration of capsules. contamination of pasture with nematode larvae was significantly reduced during the whole experiment. necropsy of 14 animals (seven treated and seven untr ... | 1991 | 1788934 |
| factors influencing the metacercarial intensity in ants and the size of dicrocoelium dendriticum metacercarial cysts. | during the 1990 grazing season, ants found attached to plants were collected from sheep pastures at monthly intervals and examined for dicrocoelium metacercariae. the species formica pratensis and f. rufibarbis showed average metacercarial intensities of 76 and 38 respectively. in addition to the ant species, the intensity of infection was found to be dependent on the length of the ant. the volume of metacercarial cysts was influenced by the intensity per ant relative to ant length but not by th ... | 1991 | 1795087 |
| prevalence and distribution of dicrocoelium dendriticum and fasciola hepatica infections in cattle in switzerland. | | 1991 | 1866427 |
| pathophysiological studies on dicrocoelium dendriticum infection in sheep. | red cell kinetics and plasma protein metabolism were investigated in two experiments using 20 adult sheep naturally infected with dicrocoelium dendriticum, but free of other liver and gastrointestinal helminths. in the first experiment, where groups of animals with low to high dicrocoelium burdens were injected with 51cr-labelled red cells and 125i-labelled albumin, the results indicated that there were no significant differences in the turnover rate of labelled red cells or albumin between any ... | 1991 | 1897119 |
| dynamics of the elimination of dicrocoelium dendriticum (trematoda, digenea) eggs in the faeces of lambs and ewes in the porma basin (león, nw spain). | the elimination of dicrocoelium dendriticum eggs in sheep faeces from 4 localities in the upper and middle porma river basin was recorded at monthly intervals between march 1986 and march 1987. the faecal material was taken directly from the rectum of the animals (10% of the flock in each village). the sedimentation technique and mcmaster egg counting chambers were used to analyze the faecal samples. of the 995 samples examined, 63.6% contained d. dendriticum eggs and the number of eggs per gram ... | 1991 | 1952698 |
| survey of hepatic and pulmonary helminths of wild cervids in alberta, canada. | during the 1988 hunting season, livers and lungs from 263 mule deer (odocoileus hemionus hemionus), 198 moose (alces alces), 147 white-tailed deer (odocoileus virginianus), and 94 wapiti (cervus elaphus nelsoni) from alberta (canada) were collected for parasitological examination. most of the samples (89%) were submitted by big game hunters throughout the province. giant liver fluke (fascioloides magna) was found in 9% of 22 yearling and 29% of 65 adult wapiti; 4% of 161 adult moose; and 2% of 9 ... | 1990 | 2250321 |
| human dicrocoeliasis. report on 208 cases from saudi arabia. | in 3 years, dicrocoelium dendriticum ova were detected in 208 patients at the armed forces hospital, riyadh, saudi arabia during 1984-1986. at least 7 of these patients had a true infection and at least 34 patients had spurious infection as they gave a history of eating raw liver. 23% of the 208 patients were under 14 years of age. the peak incidence was between october and november in each of the 3 years. 134 of these patients were symptomatic. 16 patients had disturbed liver functions and 13 h ... | 1990 | 2260188 |
| parasites of livestock in asir province, southwestern saudi arabia. | thirteen parasite species, three trematodes, five cestodes, one nematode, and four arthropods, have been reported in livestock in asir, southwestern saudi arabia. the occurrence of dicrocoelium dendriticum in imported sheep and paramphistomum cervi in indigenous cattle is recorded for the first time in saudi arabia. | 1990 | 2267729 |
| [antigenic structure of dicrocoelium dendriticum (rudolphi, 1819)]. | the purpose of this paper was to study the antigenic structure of dicrocoelium dendriticum with a particular consideration of its antigenic relationship between f. hepatica and paramphistomum sp. studies of the antigenic composition of somatic extract of d. dendriticum and its four fractions obtained by gel separation chromatography on sephadex g 75 were carried out by using double diffusion reaction with homologous (sdd) and heterogeneous (sfh, sps) rabbit sera as well as sera of sheep naturall ... | 1987 | 2455289 |
| structural and electronic properties of the liver fluke heme cavity by nuclear magnetic resonance and optical spectroscopy. evidence for a distal tyrosine residue in a normally functioning hemoglobin. | structural features of the heme and the heme cavity of the monomeric hemoglobin (hb) from the platyhelminth dicrocoelium dendriticum were investigated by optical and proton nuclear magnetic resonance spectroscopy. using nuclear overhauser effects (noes) from resonances assigned previously through isotope labeling, most hyperfine-shifted resonances could be attributed to individual heme and protein protons in the cyano-methb complex. it was observed that the heme 2-vinyl group is held in the tran ... | 1989 | 2555518 |
| [false parasitism by dicrocoelium dendriticum: presentation of 4 cases]. | | 1989 | 2607851 |
| isoenzyme patterns of phosphatases and esterases in fasciola hepatica and dicrocoelium dendriticum. | a study was made of alkaline and acid phosphatase isoenzymes and non-specific esterases in homogenates of the trematodes fasciola hepatica and dicrocoelium dendriticum obtained from infected tissues of capra hircus and ovis aries using horizontal polyacrylamide gel electrophoresis. the esterase patterns in f. hepatica and d. dendriticum were different. homogenate of f. hepatica from both hosts gave four enzyme bands. for d. dendriticum, however, while homogenates of parasites from c. hircus also ... | 1989 | 2728320 |
| the efficacy of netobimin, 15 mg/kg, against dicrocoelium dendriticum in sheep. | | 1989 | 2756624 |
| [a rare case of human autochthonous dicrocoeliasis in czechoslovakia]. | the first case of not imported dicroceliasis in czechoslovakia is reported in an eleven-year-old boy. the patient suffered from gastrointestinal complaints for about half a year. diarrhea frequently alternated with constipation, the abdominal pain was mainly in the region of the pancreas. with the exception of eosinophilia (16%), all other laboratory findings (blood count, elfo, urinalysis) were within normal values. eggs of dicrocoelium dendriticum were repeatedly found in stool specimens. the ... | 1989 | 2765975 |
| activity of luxabendazole against liver flukes, gastrointestinal roundworms, and lungworms in naturally infected sheep. | the anthelmintic potential of luxabendazole was investigated in sheep harboring mixed naturally acquired helminth infections. results were assessed by comparing worm counts of the treated groups (seven animals each) on days 7-8 posttreatment with those of the nontreated control group, except for protostrongylid lungworms, for which the changes in pre- and posttreatment group mean larval counts/g feces were assessed for intensity effect. a single oral treatment at doses of 10.0 or 12.5 mg/kg body ... | 1988 | 2974592 |
| fasciola hepatica and dicrocoelium dendriticum: isoenzyme patterns of malate dehydrogenase and malic enzyme. | the mdh isoenzymes and me isoenzymes (ec.1.1.1.39) in two helminth parasites, f. hepatica and d. dendriticum, obtained from two host species (capra hircus and ovis aries), were studied by electrophoresis on polyacrylamide gels. f. hepatica mdh showed three isoenzymatic bands; d. dendriticum mdh, only two. no difference was noted between the enzyme profiles, or the densitometric scans in samples from specimens from different host species. f. hepatica me presented three bands, that of d. dendritic ... | 1988 | 3202330 |
| treatment of dicrocoelium dendriticum with a combination of thiophanate and brotianide. | | 1988 | 3218049 |
| [a historical survey of the nomenclature of the lanceolate liver fluke dicrocoelium dendriticum]. | the correctness of the name discrocoelium dendriticum given to the lanceolate liver luke is discussed in the form of a literature review. possible reasons are discussed for the peculiar first finding of this parasite in the gut of a swordfish. d. dendriticum is regarded as the valid name of this fluke. | 1987 | 3328530 |
| dicroceliasis (lancet fluke disease) in an hiv seropositive man. | dicroceliasis is an unusual zoonotic trematode infection caused by the lancet liver fluke, dicrocoelium dendriticum. grazing herbivores (usually sheep or cattle) are the definitive hosts. the life cycle proceeds through two intermediate hosts: the land snail and the field ant. human infection is acquired by consuming the field ant. this case report describes a human immunodeficiency virus-seropositive patient who presumably acquired this parasite from bottled water contaminated with ants. a brie ... | 1988 | 3336179 |
| scanning electron microscopy of adult dicrocoelium dendriticum. | scanning electron microscopy (sem) has been used to study the tegument and related structures of adult dicrocoelium dendriticum. its body shape, suckers, common genital pore, laurer's canal pore, excretory pore, and cirrus are described as seen under sem. the tegument is devoid of spines and presents an interlacing, ridged network which covers the entire body. the pattern of ridges on the body surface is not homogeneous; details of the pattern in each region are described. sem of the body surfac ... | 1988 | 3362829 |
| a survey on the prevalence of gastrointestinal parasites of dogs in the area of thessaloniki, greece. | faecal specimens randomly taken from 232 healthy dogs living in the area of thessaloniki were screened for internal parasites. in 39.2% of the examined dogs excretion of sarcocystis bovicanis (1.3%), isospora ohioensis/burrowsi (3.9%), giardia lamblia (0.8%), hammondia heydorni (0.4%), dicrocoelium dendriticum (0.8%) diplopylidium nolleri (0.4%), joyeuxiella pasqualei (0.8%), taeniids (0.4%), toxocara canis (22.4%), toxascaris leonina (1.3%), uncinaria stenocephala (3.0%), trichuris vulpis (2.6% ... | 1988 | 3372979 |
| [seasonal occurrence of dicrocoelium dendriticum in intermediate hosts]. | epizootiological questions were studied on a permanent pasture of a farm situated in one of the dicrocoeliasis areas in the gdr during the 1986 grazing season. helicella obvia snails and formica fusca ants were found to be first and second intermediate hosts respectively. a total of 1,121 snails and 70 ants were dissected. the infestation rate with dicrocoelium dendriticum stages in snails decreased in summer after the high spring peak and increased again in autumn. paralysed ants were found onl ... | 1988 | 3415040 |
| superoxide dismutase in trematodes. isoenzymatic characterization and studies of inhibition by a series of benzimidazoles and by pyrimidines of recent syntheses. | a comparative study was carried out of superoxide dismutase (e.c.1.15.1.1) (sod) and catalase activities in purified extracts of two trematodes: fasciola hepatica and dicrocoelium dendriticum. the superoxide dismutase activity was very similar to that measured in other eukaryotic cells. as no catalase activity was detected, the possibility that sod in these trematodes might have the particular importance of removing superoxide radicals is discussed. the sod isoenzymes of each species were analys ... | 1987 | 3675685 |
| structural and electronic properties of the liver fluke hemoglobin heme cavity by nuclear magnetic resonance: hemin isotope labeling. | reconstitution of liver fluke (dicrocoelium dendriticum) apo-hemoglobin with hemins selectively deuterated at specific positions has permitted the assignment of several heme resonances in the proton nuclear magnetic resonance spectrum of the met-aquo and met-cyano forms of the holoprotein. it was established that in the met-aquo form the meso protons resonate at positions characteristic of a six-co-ordinated in-plane iron. from this, we deduced that the met-aquo species retains a bound water mol ... | 1987 | 3681990 |
| an evaluation of the efficacy of netobimin against dicrocoelium dendriticum in sheep. | a trial was carried out to assess the efficacy of a nitrophenylguanidine compound, netobimin against dicrocoelium dendriticum in naturally infected sheep. at a dose rate of 20 mg/kg bodyweight administered orally the drug was highly effective, producing a mean reduction of 98.9 per cent in the fluke burdens of treated animals compared with untreated controls. no side effects were observed in the treated sheep. | 1987 | 3824841 |
| isoenzymes of lactate dehydrogenase (ec 1.1.1.27) in dicrocoelium dendriticum and fasciola hepatica (trematoda). | the isoenzymes of ldh (ec 1.1.1.27) were studied in dicrocoelium dendriticum and fasciola hepatica by horizontal electrophoresis on polyacrylamide gel. six isoenzymes in d. dendriticum and four in f. hepatica were detected. densitometric scans demonstrated that the enzyme pattern of ldh in d. dendriticum parasitizing hepatic tissue of capra hircus was clearly different from the one obtained when the trematode parasitized other hosts such as bos taurus or ovis aries. | 1986 | 3943300 |
| acid bohr effect of a monomeric haemoglobin from dicrocoelium dendriticum. mechanism of the allosteric conformation transition. | the dioxygen affinity of dicrocoelium dendriticum haemoglobin was determined as a function of ph with a thin-layer diffusion technique. from the oxygen dissociation and association curves hill coefficients h equal 1 were obtained throughout. ultracentrifugation studies prove this haemoglobin to be monomeric irrespective of ph and ligation state. thus, dicrocoelium haemoglobin is a non-cooperative monomer. it has the highest o2 affinity so far known for any monomeric haemoglobin: its half-saturat ... | 1986 | 3956482 |
| kinetics of oxygen and carbon monoxide binding to liver fluke (dicrocoelium dendriticum) hemoglobin. an extreme case? | the kinetics of oxygen and carbon monoxide binding to the monomeric liver fluke (dicrocoelium dendriticum) hemoglobin have been studied. the ligand association rates are approximately 1 x 10(8) and approximately 3 x 10(8) m-1 s-1, respectively, for co and o2 and show no ph dependence. on the contrary the ligand dissociation rates decrease by lowering the ph below 7, the pk of the transition being around 5.5. these findings, together with spectroscopic properties of the protein, are discussed in ... | 1985 | 3972785 |
| [function of the acetabulum of digenetic trematodes, as exemplified by dicrocoelium dendriticum]. | the suckers of animals adhere to the substratum either in air or in aqueous fluids. the varying compressibility of these media causes differences in function, the principles of which are described. the ventral arch of the acetabulum of dicrocoelium dendriticum, like the remaining body, is limited by the integument, basal lamina and skin muscles. the dorsal arch covers a basal lamina, which is close to a plexus of diagonal, longitudinal and circular muscles. the radical muscles, attached at the v ... | 1985 | 3984451 |
| [comparative studies of the glycolytic enzymes of dicrocoelium dendriticum (trematoda) and rat liver]. | | 1972 | 4259332 |
| intermediary metabolism in dicrocoelium dendriticum (trematoda). | | 1973 | 4353810 |
| metabolic role of pyruvate kinase in the trematode dicrocoelium dendriticum. | | 1974 | 4418206 |
| metabolic end products of anaerobic carbohydrate metabolism of dicrocoelium dendriticum (trematoda). | | 1972 | 4642917 |
| [cycle of dicrocoelium dendriticum (rudolphi, 1819) in limousin. ethology of ants parasited by the metacercaria]. | | 1973 | 4787830 |
| presence of dicrocoelium dendriticum (rudolphi, 1819) (trematoda: dicrocoeliidae) in western canada. | | 1974 | 4857671 |
| [comparison of enzyme activities in dicrocoelium dendriticum, bovine liver, and fasciola hepatica]. | | 1972 | 5015015 |
| dicrocoelium dendriticum (rudolphi, 1819) looss, 1899 in turkey. i. field studies of intermediate and final hosts in the south marmara region, 1968. | | 1971 | 5103094 |
| [oxygen consumption, substrate absorption and lactate excretion of dicrocoelium dendriticum (trematoda)]. | | 1971 | 5132045 |
| the longevity of dicrocoelium dendriticum in sheep. | | 1971 | 5145356 |
| [a perfusion technique for the recovery of dicrocoelium dendriticum from livers of sheep and cattle]. | | 1969 | 5384761 |
| [considerations on a case of associated parasitic diseases (hymenolepis diminuta, dicrocoelium dendriticum and lamblia intestinalis)]. | | 1967 | 5593249 |
| [apropos of a case of distomiasis caused by dicrocoelium dendriticum in man]. | | 1967 | 5633315 |
| [distomatosis caused by dicrocoelium dendriticum in man. apropos of a case]. | | 1968 | 5657305 |
| infestation with dicrocoelium dendriticum--the small liver fluke--in animals and human individuals in sweden. | | 1968 | 5750136 |
| spermtail finestructure of echinococcus granulosus and dicrocoelium dendriticum. | | 1969 | 5813120 |
| occurrence of trematode ova resembling dicrocoelium dendriticum in the stools of human inhabitants of curaçao. | | 1965 | 5884326 |
| proton nuclear magnetic resonance investigation of the heme cavity structure of liver fluke (dicrocoelium dendriticum) methemoglobin. | the 1h nuclear magnetic resonance characteristics of met-cyano and met-aquo hemoglobin from the sheep bile duct parasite dicrocoelium dendriticum have been compared to those of other monomeric hemoglobins and myoglobins. by varying temperature and ph, it was found that the studied material is a mixture of several isozymes differing slightly in their structural features around the heme cavity. the heme in-plane rhombic asymmetry, as indicated by the spread of the heme methyl hyperfine shifts, is ... | 1984 | 6096565 |
| electron paramagnetic resonance properties of liver fluke (dicrocoelium dendriticum) nitrosyl hemoglobin. | the electron paramagnetic resonance properties of the nitric oxide derivative of liver fluke (dicrocoelium dendriticum) hemoglobin (dd-hb) have been investigated in the ph range from 4.8 to 7.8. in the neutral and alkaline regions the spectra have a rhombic shape, with gx = 2.09, gy = 1.99 and gz = 2.009, and a triplet hyperfine structure of 2.2 mt, due to the nitrogen of the bound no molecule, in the center resonance. no superhyperfine lines in the gz region, related to the interaction of the i ... | 1984 | 6319199 |
| immunodiagnosis of giardiasis by elisa and studies on cross-reactivity between the anti-giardia lamblia antibodies and some heterologous parasitic antigens and fractions. | specific antibodies against giardia lamblia in 92 sera from asymptomatic carriers were investigated by elisa. using cyst antigen, antibodies were detected in 91 of the sera, by means of alkaline phosphatase-labelled antispecies immunoglobulin. the e/405nm values of the positive sera ranged between 0.350 and 1.700, whereas in the 78 control sera they were 0.270 +/- 0.220. cross-reactivity between the anti-g. lamblia antibodies and 18 heterologous parasitic antigens and fractions was also studied. ... | 1984 | 6486935 |
| effect of some abiotic factors on the survival of dicrocoelium dendriticum eggs in laboratory conditions. | in the present work the results obtained from the study of the effect of temperature, rh, uv radiation and day-night thermal variations, in controlled laboratory conditions, on the survival of d. dendriticum eggs in sheep faeces are described. mortality was seen to be maximum with a rh of 75-80% and temperatures higher than 18 degrees c. the results are compared with those obtained in natural conditions. it is suggested that the final cause of the mortality of the eggs both in laboratory and nat ... | 1984 | 6540223 |
| endoparasites of hares (lepus timidus l. and l. europaeus pallas) in finland. | intestinal and lung parasites of 85 mountain hares (lepus timidus) and 24 european hares (l. europaeus) were examined. the species of parasites found in both hare species were trichostrongylus retortaeformis zeder, 1800; mosgovoyia pectinata goeze, 1782 and protostrongylus pulmonalis froelich, 1802. eimeria semisculpta madsen, 1938 and e. townsendi carvalho, 1943 were found only in the european hares and eimeria leporis nieschulz, 1923 and dicrocoelium dendriticum rudolphi, 1819 only in the moun ... | 1983 | 6644932 |
| studies on the parasitic helminths of slaughtered animals in iraq. i. parasitic helminths of the liver of herbivores. | the livers and lungs of 580 sheep, 160 goats, 418 cattle, 50 camels and 48 buffaloes slaughtered in baghdad in april-july, 1981 were examined for helminth parasites; 14.3% of the sheep, 0.6% of the goats, 18.2% of the cattle, 72.0% of the camels and 8.3% of the buffaloes were infected with trematodes and cestodes. dicrocoelium dendriticum is reported from the livers of sheep in iraq for the first time. | 1983 | 6660965 |
| survival and infectivity of dicrocoelium dendriticum eggs under field conditions in nw spain. | a study was made of the survival of dicrocoelium dendriticum eggs in sheep faeces in an area with a temperate climate (nw spain). it appears that mortality is independent of the age of the eggs and that there is a marked seasonality within the period of time considered (20 months). a study was also carried out on the infectivity of d. dendriticum eggs by experimental infections of suitable intermediate hosts. the data show that no loss took place in infectivity during the period of study (15 mon ... | 1983 | 6686380 |
| some new molluscan hosts of dicrocoelium dendriticum in spain. | twenty species of the family helicidae (gastropoda, pulmonata) from the n.w. of spain were tested as hosts for d. dendriticum in experimental conditions. the relationship between the egg hatching in the digestive tract and the development of sporocysts (108-110 days after egg ingestion) was studied. three species were found to be new intermediate hosts of this trematode: candidula intersecta , helicella corderoi and h. jamuzensis . on the basis of the results obtained, the ecological value of th ... | 1984 | 6721369 |
| trematodiasis in turkey: comparative efficacy of triclabendazole and niclofolan against natural infections of fasciola hepatica and f. gigantica in sheep. | a new fasciolicide, triclabendazole, tested at single oral dose rates of 5 and 10 mg/kg body-weight, proved to be highly effective (greater than 99%) against chronic field infections of fasciola hepatica and f. gigantica in sheep. the performance of the new drug compared favourably with niclofolan at the recommended dose. neither product was effective against dicrocoelium dendriticum and paramphistomum spp. | 1984 | 6747253 |
| experimental dicrocoeliasis: the humoral immune response of golden hamsters and rabbits to primary infection with dicrocoelium dendriticum. | the results presented deal with the humoral immune response of golden hamsters to primary experimental infection with d. dendriticum. the development of serum antibodies has been comparatively investigated with three hamster groups (n = 43) harbouring different burdens of adult flukes. the mean numbers of parasites were 11, 30, or 130 per animal. serum antibody response was studied during an observation period of at least 331 and up to 496 days postinfection. for antibody detection the sensitivi ... | 1981 | 6798772 |
| spectral properties and reactivity towards azide of dicrocoelium dendriticum met-hemoglobin. | the spectroscopic properties of dicrocoelium dendriticum met-hemoglobin, investigated between ph 3.8 and 10.5, display two proton-induced transitions with apparent pk values of 8.1 and 4.7. the spectral changes, over the ph region 6.5 to 10.5, correspond to the high to low spin transition usually observed in ferric hemoproteins. the relaxation time (tau = 3.2 ms at the pk) associated with this transition is closely similar to that observed in aplysia limacina met-myoglobin, but approximately 100 ... | 1983 | 6876175 |
| efficacy of albendazole against dicrocoelium dendriticum in sheep. | | 1980 | 7210424 |
| [first record in french polynesia of an hepatic fluke of the domestic cat, platynosomum fastosum kossack, 1910 (author's transl)]. | the authors record, the first evidence of platynosomum fastosum in a polynesian cat. this fluke has been previously encountered but was misdiagnosed a dicrocoelium dendriticum. a finest observation of the morphological characteristics permit to distinguish on the both genera. | 1980 | 7224538 |
| crystallographic data for haemoglobin from the lanceolate fluke dicrocoelium dendriticum. | | 1981 | 7277497 |
| [spurious infections by the small liver fluke (dicrocoelium dendriticum) in switzerland 1976-1980]. | the lancet fluke is a common parasite in swiss sheep and cattle. from 1976 to 1980, 77 patients were found to have eggs of d. dendriticum in the stool. no genuine human infection could be diagnosed, and in all patients the coprologic finding of d. dendriticum eggs had to be considered the result of spurious infections due to the consumption of infected livers. the annual incidence of stool specimens positive for d. dendriticum eggs was between 0.20 and 0.38%. | 1981 | 7280624 |
| histopathology of liver in iranian sheep naturally infected with dicrocoelium dendriticum. | | 1981 | 7305499 |
| [dicrocoelium dendriticum eggs in human feces. a case report from denmark]. | | 1980 | 7368409 |
| cerebral larvae in the second intermediate host of dicrocoelium dendriticum (rudolphi, 1819) and dicrocoelium hospes looss, 1907 (trematodes, dicrocoeliidae). | cerebral larvae of dicorcoelium dendriticum and d. hospes and the brains of infected ants were studied. morphologic differences of the freed larvae could not be found, but there were evident differences in number and localization of the cerebral stages. ants infected with d. dendriticum usually showed one "hirnwurm" while in the majority of the ants infected with d. hospes two larvae were found. the typical localization of the "hirnwurm" of d. dendriticum was in the ventral part of the subesopha ... | 1980 | 7434876 |
| efficacy of albendazole against dicrocoelium dendriticum. | | 1980 | 7445356 |
| light and electron microscopic studies on the effect of praziquantel on schistosoma mansoni, dicrocoelium dendriticum, and fasciola hepatica (trematoda) in vitro. | the fine structure of the tegument of three trematode species, schistosoma mansoni, dicrocoelium dendriticum, and fasciola hepatica, was studied by means of light scanning (sem) and transmission electron microscopy (tem) after in vitro exposure to 0, 1, 10, and 100 micrograms/ml of the anthelmintic praziquantel for 5, 15, 30, and 60 min. in s. mansoni and d. dendriticum the resulting vacuolization of the tegument was confined to numerous small areas scattered all over the surface of the parasite ... | 1980 | 7456640 |
| [dicrocoelium dendriticum egg in feces of 2 somali boys in denmark. transitory elimination after arrival to denmark]. | a case of spurious infection with dicrocoelium dendriticum in two somali boys in denmark, who had eaten sheep's liver, is described. the diagnosis was established by careful questioning regarding culinary habits. | 1995 | 7652996 |
| seroprevalence of fasciola hepatica infection in sheep in northwestern spain. | to estimate the prevalence of fasciola hepatica infection in sheep in the león province (northwestern spain), we conducted a survey between october 1992 and may 1993. a total of 767 samples of feces and serum were collected from sheep over 1 year of age belonging to 152 flocks randomly selected from the 4 natural regions of león province. samples were analyzed by a standard coprological sedimentation method and an indirect enzyme-linked immunosorbent assay (elisa) using excretory-secretory produ ... | 1995 | 7731921 |
| somatic antigens of adult dicrocoelium dendriticum recognised by bile antibodies of naturally infected cattle. | bile samples, from slaughtered cattle harbouring between 120 and 280 adult lancet flukes, were used to investigate the range of somatic proteins inducing local antibody responses in naturally infected animals. lancet fluke infections induced local (bile) antibody responses against tris-buffered saline (tbs) soluble, sodium dodecyl sulphate (sds) soluble and 2-mercaptoethanol (2-me) soluble somatic proteins of adult dicrocoelium dendriticum. iga antibody isotypes predominated in the response agai ... | 1995 | 7732651 |
| parasite control in transhumant situations. | transhumance is defined as 'seasonal moving of livestock to regions of different climate'. it is an integral part of livestock production in many parts of the world and takes several forms including moving of livestock from lowland to mountainous pastures or from dry to humid areas. the impact of transhumance on parasite populations of livestock and on parasite control is described, mainly using examples from europe. the epidemiology of trichostrongylidosis of cattle, mainly caused by ostertagia ... | 1994 | 7846845 |
| [effect of bolus administration of albendazole into the rumen on gastrointestinal nematodes and the dicrocoelium dendriticum trematode in sheep]. | the efficacy of intraruminal albendazole (abz) capsules (proftril-captec) and the effect of treatment on productivity parameters were studied in two experiments totally on 466 ewes naturally infected with gastrointestinal nematodes and trematodes d. dendriticum. ovoscopical tests revealed that treated animals remained negative during 10-12 weeks after the administration of capsules and that pasture contamination with helminths was significantly reduced. necropsy revealed 96.9-99.2% efficacy agai ... | 1994 | 8053117 |
| [a case of infestation with dicrocoelium dendriticum in an 11-year old child]. | | 1993 | 8249387 |
| ultrastructural investigations on the vitellaria of the digenean dicrocoelium dendriticum. | the paired vitellaria of the parasitic plathelminth dicrocoelium dendriticum are composed of numerous follicles each of which contains vitellocytes at different stages of maturation and is enveloped by a basal lamina-like structure and a cytoplasmic sheath. the differentiation process of vitellocytes has been subdivided into three stages on the basis of morphological and functional characteristics. stage i vitellocytes have a high nucleo/cytoplasmic ratio and a poorly differentiated cytoplasm ma ... | 1993 | 8269405 |
| infection patterns in the first intermediate host of dicrocoelium dendriticum. | in order to establish the infection patterns in the first intermediate host of dicrocoelium dendriticum, investigations were carried out on sheep pastures situated in the eastern part of brandenburg, germany, during the grazing periods in 1986, 1987, 1989 and 1990. it was found that the majority of specimens of the first intermediate host, helicella obvia, become infected in the autumn of their second year of life, when their shell diameter is of medium size. the percentage of snails containing ... | 1993 | 8333129 |
| coprological study of the dicrocoelium dendriticum (digenea) egg elimination by cattle in highland areas in león province, northwest spain. | dicrocoelium dendriticum egg output in cattle from five locations of the porma river basin (león province, northwest spain) was studied at monthly intervals between march 1986 and march 1987. we found d. dendriticum eggs in 37.64% of the 1251 samples examined, and the number of eggs per gram (epg) ranged from 10 to 1000 (average, 41.65 +/- 2.73). the main egg-elimination period, for prevalence, was autumn-winter. the average epg values were quite similar during all months except march, when the ... | 1993 | 8415564 |
| studies on the incidence and pathogenesis of dicrocoelium dendriticum in slaughtered sheep in riyadh abattoir, saudi arabia. | the incidence of dicrocoelium dendriticum in slaughtered sheep both local and imported was carried out in al riyadh abattoir. a percentage of 28 was found among condemned livers. the highest rate of dicrocoelium infection was among naheemi sheep imported from turkey. recommendations to control this parasitic disease are necessary since it is a modern dangerous zoonotic parasite. | 1993 | 8482874 |
| ultrastructural study of the spermatogenesis and mature spermatozoa of dicrocoelium dendriticum (plathelminthes, digenea). | the spermatogenesis and spermatozoon of dicrocoelium dendriticum were studied by transmission electron microscopy. peripheric accessory cells project between germ cells. each spermatogonium gives rise to 32 spermatozoa. the stages in spermiogenesis include development of the zone of differentiation, appearance of the intercentriolar body flanked by two centrioles from each of which a free axoneme and a striated rootlet grow, outgrowth of the differentiation zone to form the median cytoplasmic pr ... | 1993 | 8493244 |
| [histopathological analysis of bovine livers infested by dicrocoelium dendriticum]. | the object of this study was to determine the evolution of the lesions provoked by dicrocoeliasis in hepatic tissue, as a function of the quantity of parasites. of the 274 bovine livers taken from the slaughterhouse and autopsied for dicrocoelium dendriticum infection, 191 demonstrated hepatic lesions that revealed a proliferation of bile ducts, modifications of the bile ducts and hepatic fibrosis lesions. the modifications of the surfaces of the bile ducts and the hepatic fibrosis lesions incre ... | 1996 | 8620193 |
| prevalence of dicrocoeliosis in sheep and goats in himachal pradesh, india. | a survey incorporating field and abattoir studies was carried out on the prevalence of dicrocoelium dendriticum in sheep and goats in the kangra valley of himachal pradesh (india). coprological studies on these migratory animals revealed that 8.1% of sheep and 4.1% of goats were positive for dicrocoeliosis, with a mean number of eggs per gram of faeces (epg) of 702.1 for sheep and 566.7 for goats. the necropsy liver examination of slaughtered animals revealed that 24.1% of sheep and 12.3% of goa ... | 1996 | 8720564 |
| comparative evaluation of agar gel precipitation, counterimmunoelectrophoresis and passive haemagglutination tests for the diagnosis of dicrocoelium dendriticum infection in sheep and goats. | the sensitivity and specificity of the agar gel precipitation test (agpt), counter immunoelectrophoresis (ciep) and passive haemagglutination test (pht) were evaluated for the diagnosis of dicrocoelium dendriticum infection in naturally infected sheep and goats. two hundred and forty five sheep and goat sera samples were tested using phosphate buffered saline, ph 7.2 extracted adult fluke antigen. ciep detected 69.8% of the infected animals and was found to be the most sensitive, followed by pht ... | 1996 | 8750692 |
| effects of experimental dicrocoeliosis on oxidative drug metabolism in hamster liver. | the purpose of this investigation was to determine the effects of experimental dicrocoeliosis on the hepatic oxidative drug-metabolizing system in hamsters. studies were carried out 80 and 120 days after infestation with an oral dose of 40 metacercariae of dicrocoelium dendriticum. the parasitic pathology was ascertained by detection of the fluke eggs in faeces, increased serum alanine aminotransferase and aspartate aminotransferase activities, and postmortem and histological findings. cytochrom ... | 1996 | 8983169 |
| larval development of dicrocoelium dendriticum in cernuella (xeromagna) cespitum arigonis under controlled laboratory conditions. | the larval development of dicrocoelium dendriticum (digenea: dicrocoeliidae) in experimentally infected cernuella (xeromagna) cespitum arigonis (schmidt, 1853), a species of mollusc important in the epidemiology of dicrocoeliosis in spain, has been studied. a total of 948 specimens of this mollusc, distributed in five batches, were tested with individual doses of 50 to 150 parasite eggs, obtained from sheep, after 4 days without food. after infection these molluscs and control specimens were kep ... | 1997 | 9443949 |
| molecular phylogeny of the families campulidae and nasitrematidae (trematoda) based on mtdna sequence comparison. | historically, the systematic arrangement of the genera within the family campulidae, and its relationship with its allied family nasitrematidae have been rather confused, particularly because only adult morphology has been available to classical taxonomic analysis. in this paper we provide a partial phylogeny of the genera of these families based on mtdna from five campulid species: campula oblonga, zalophotrema atlanticum, hadwenius tursionis, oschmarinella rochebruni and orthosplanchnus frater ... | 1998 | 9650057 |
| a dna probe for the detection of dicrocoelium dendriticum in ants of formica spp. and lasius spp. | repetitive dna sequences present in the genome of dicrocoelium dendriticum were identified by hybridization of genomic dna that had been digested with different restriction enzymes with 32p-labeled genomic d. dendriticum dna. dna fragments containing repetitive sequences were isolated from psti-digested d. dendriticum dna and were subcloned into a plasmid vector. plasmids containing repetitive sequences were identified by colony hybridization. one of these plasmids, designated ddr-iv, was isolat ... | 1998 | 9660142 |
| characterization of adult dicrocoelium dendriticum by isoelectric focusing. | water soluble extracts of 3131 adult specimens of dicrocoelium dendriticum from cattle, sheep and goats, mainly from león province, were analysed by isoelectric focusing in thin-layer polyacrylamide gels. activity of the following enzymes was studied: lactate dehydrogenase (ldh, ec 1.1.1.27), glucose phosphate isomerase (gpi, ec 5.3.1.9), phosphoglucomutase (pgm, ec 2.7.5.1), acid phosphatase (acp, ec 3.1.3.2), alpha-glycerophosphate dehydrogenase (alpha-gpdh, ec 1.1.1.8), hydroxybutyrate dehydr ... | 1998 | 9687590 |
| dicrocoelium dendriticum infestation of mouflons (ovis musimon) in catalonia. | | 1998 | 9802199 |
| phylogenetic relationships of the family campulidae (trematoda) based on 18s rrna sequences. | traditionally, the family campulidae has been associated either with the family fasciolidae, parasites of ruminants, or the acanthocolpidae, parasites of fishes, based on morphological similarities. since morphology does not seem to resolve clearly the problem of the relationships of campulids, we have used the sequences of the 18s rrna gene of the campulids zalophotrema hepaticum, campula oblonga and nasitrema globicephalae, the fasciolid fasciola hepatica, the acanthocolpid stephanostomum bacc ... | 1998 | 9820860 |
| enhanced bile formation induced by experimental dicrocoeliosis in the hamster. | the purpose of this investigation was to determine the effects of experimental dicrocoeliosis on bile formation in the hamster. studies were carried out at 120 days after infection with an oral dose of 40 metacercariae of dicrocoelium dendriticum. a significant elevation in bile flow (+20%) and in the biliary output of glutathione (+34%), bile acid (+59%), cholesterol (+108%), phospholipids (+99%) and alkaline phosphatase (+36%) was observed in the infected animals. the bile-to-plasma [14c] mann ... | 1998 | 9839540 |
| [dicrocoeliasis in new world camelids]. | natural infections with the lancet fluke (dicrocoelium dendriticum) were detected in a group of seven diseased or dead/euthanized south american camelids (five llamas, two alpacas) from switzerland and southern germany. clinical findings in almost all the animals revealed an acute decline of general condition followed by recumbency, decreased body temperature and a varying degree of anaemia. concurrently, all animals showed an average to poor nutritional status. all liver enzyme activities analy ... | 1998 | 9857415 |