16S partial gene mitochondrial DNA and internal transcribed spacers ribosomal DNA as differential markers of Trichuris discolor populations.Comparative morphological, biometrical and molecular studies of Trichuris discolor isolated from Bos taurus from Spain and Iran was carried out. Furthermore, Trichuris ovis isolated from B. taurus and Capra hircus from Spain has been, molecularly, analyzed. Morphological studies revealed clear differences between T. ovis and T. discolor isolated from B. taurus but differences were not observed between populations of T. discolor isolated from different geographical regions. Nevertheless, the mole ...201122136768
prevalence and seasonal incidence of nematode parasites and fluke infections of sheep and goats in eastern ethiopia.a 2-year abattoir survey was carried out to determine the prevalence, abundance and seasonal incidence of gastro-intestinal (gi) nematodes and trematodes (flukes) of sheep and goats in the semi-arid zone of eastern ethiopia. during may 2003 to april 2005, viscera including liver, lungs and gi tracts were collected from 655 sheep and 632 goats slaughtered at 4 abattoirs located in the towns of haramaya, harar, dire dawa and jijiga in eastern ethiopia. all animals were raised in the farming areas ...200717969715
determination of trichuris skrjabini by sequencing of the its1-5.8s-its2 segment of the ribosomal dna: comparative molecular study of different species of trichurids.adults of trichuris skrjahini have been isolated from the cecum of caprine hosts (capra hircus), trichuris ovis and trichuris globulosa from ovis aries (sheep) and c. hircus (goats), and trichuris leporis from lepus europaeus (rabbits) in spain. genomic dna was isolated and the its1-5.8s-its2 segment from the ribosomal dna (rdna) was amplified and sequenced by polymerase chain reaction (pcr) techniques. the its1 of t. skrjabini, t. ovis, t. globulosa, and t. leporis was 495, 757, 757, and 536 nu ...200415270116
helminth fauna of cervids in belorussian polesie.we report on the examination of 18 elk ( alces alces), 16 red deer (cervus elaphus)and 16 roe deer ( capreolus capreolus) from the belorussian polesie in the period 1981-1998 for helminths. a total of 18 helminth species were found including dictyocaulus eckerti, fasciola hepatica, oesophagostomum venulosum, taenia hydatigena larvae and trichuris ovis, all of which occurred in all host species. sixteen of the species found are known to infect humans, domestic animals and/or farm animals.200312474047
the endoparasites of sheep and goats, and shepherd in north sinai governorate, egypt.examination of sheep and goats in four areas in north sinai revealed an overall infection of 12.70% with fasciola species, 11.8% with paramphistomum cerve, 12.80% with moniezia expansa, 47.11% with trichostrongylus colubriformis, 4.59% trichuris ovis and 44.85% coccidia. the highly infected sheep and goats were diagnosed in el hassanah center (90.49%), followed by al arish city (87.31%), then rafah city (74.39%), and lastly bir al abd (54.71%). the elevation of the overall percent of infection i ...200212049248
characterization of trichuris skrjabini by isoenzyme gel electrophoresis: comparative study with trichuris ovis.morphological and biometric studies were performed in trichuris skrjabini (baskakov, 1924) collected from the caecum of capra hircus. the ldh (ec, g6pd (ec, gpi (ec, mdh (ec and malic enzyme (me) (ec isoenzymatic patterns of t. skrjabini were determined by starch gel electrophoresis. the g6pd and gpi isoenzymatic patterns of t. skrjabini displayed two anodic bands for both enzymes: one fast migration band and one band near the origin. this isoe ...19968988307
parasite spectrum and seasonal epidemiology of gastrointestinal nematodes of small ruminants in the hundred and four post mortem examinations of randomly selected sheep (52) and goats (52) were carried out weekly from march 1990 to february 1991. gastrointestinal parasites were identified and counted. a large spectrum of 16 helminth species was found in 101 (97%) infected animals. the nematodes infecting small ruminants were, in order of predominance: trichostrongylus colubriformis (96% of all animals), oesophagostomum columbianum (82%), haemonchus contortus (67%), strongyloides papillosus ...19938249251
cellular distribution, purification and electrophoretic properties of malate dehydrogenase in trichuris ovis and inhibition by benzimidazoles and pyrimidine derivatives.high levels of malate dehydrogenase were found in trichuris ovis. two molecular forms of the enzyme, of different cellular location and electrophoretic pattern, were isolated and purified. the activity of soluble malate dehydrogenase was greater than that of mitochondrial malate dehydrogenase. both forms also displayed different electrophoretic profiles in comparison with purified extracts from goat (capra hircus) liver. substrate concentration directly affected enzyme activity. host and parasit ...19892617825
glucose 6-phosphate dehydrogenase: isoenzymatic pattern in oesophagostomum venulosum, trichuris ovis and t. the present communication we have studied the isoenzymatic pattern activity of the glucose 6-phosphate dehydrogenase (g6pd) in oesophagostomum venulosum, trichuris ovis and t. suis, parasites of capra hircus (goat), ovis aries (sheep) and sus scrofa domestica (pig) respectively, by polyacrylamide gel electrophoresis. different phenotypes have been observed in the g6pd isoenzymatic pattern activity in males and females of oesophagostomum venulosum. furthermore, g6pd activity has been assayed i ...19911795090
superoxide dismutase from trichuris ovis--inhibition by benzimidazoles and pyrimidine derivatives.three superoxide dismutase isoenzymes of different cellular location were detected in an homogenate of trichuris ovis. each of these molecular forms was purified by differential centrifugation and precipitation with ammonium sulphate, followed by chromatography on deae-cellulose and sephadex g-75 columns. the activity levels of the two molecular forms detected in the mitochondrial (one cyanide sensitive cu-zn-sod and the other cyanide insensitive mn-sod) were higher than that of the superoxide d ...19921343792
[helminth species of goats in germany].the helminth fauna of the gastrointestinal tract of 25 and the respiratory organs and the livers of 6 german goats was qualitatively and quantitatively examined. one trematode species (dicrocoelium dendriticum), 2 species of cestodes (moniezia expansa and metacestodes of taenia hydatigena) and 28 species of nematodes (24 in the gastrointestinal tract and 4 in the lungs) were recorded. two goats were infested with oestrus ovis larvae. the most prevalent species were ostertagia circumcincta and ch ...19989880938
trichuris ovis and trichuris globulosa: morphological, biometrical, and genetic studies. 19958543007
the epidemiology of helminthosis in small ruminants under the traditional husbandry system in eastern nigeria.the epidemiology of helminth infections in west african dwarf sheep and goats under the traditional husbandry system prevailing in the derived savanna area of eastern nigeria was studied for 12 months. the infections observed were due to haemonchus contortus (87.1%), trichostrongylus spp. (63.8%), metacestodes of taenia hydatigena (30.2%), oesophagostomum columbianum (22.4%), strongyloides sp. (18.8%), cooperia spp. (17.2%), gaigeria pachyscelis (6.0%), moniezia expansa (6.0%), bunostomum trigon ...19902247944
[distribution of nematode parasites of the digestive system in sheep (ovis aries) and goats (capra hircus) of the piedmontese and valdostano alpine arc].a survey, carried out on gastro-intestinal nematodes of sheep and goats of piemonte and of valle d'aosta (87 sheep and 12 goats) has shown the presence of the following species in sheep, bunostomum trigonocephalum, chabertia ovina, cooperia curticei, haemonchus contortus, marshallagia marshalli, nematodirus abnormalis, nematodirus filicollis, nematodirus helvetianus, nematodirus spathiger, oesophagostomum venulosum, ostertagia circumcincta, ostertagia lyrata, ostertagia trifurcata, skrjabinema o ...1977572958
study of gastrointestinal nematodes in sicilian sheep and goats.parasitic gastroenteritis is one of the major causes of productivity loss in sheep and goats. this report records two studies of the helminth fauna from post-mortem examination. the first study, performed on the digestive tract of 72 sheep from a central part of sicily in a high hill village (1,360 meters above sea level), between april 1996 and march 1997, showed an infection rate of 78%. the second study targeted goats from the western part of sicily and showed an infection rate of 90%. for sh ...200415604491
prevalence and seasonal changes in the gastro-intestinal helminths of nigerian goats.a total of 120 gastro-intestinal tracts and 960 faecal samples were examined to assess the prevalence and seasonal changes in the gastro-intestinal helminth parasites of red sokoto (maradi) goats slaughtered at ibadan between may 1991 and april 1992. egg types of strongyles, strongyloides, trichuris, skrjabinema, dicrocoelium and moniezia were encountered in 93%, 83%, 44%, 0.9%, 2.3% and 31% of the faecal samples respectively. however, only strongyle, strongyloides and trichuris eggs occurred in ...19968960229
[epidemiology of gastrointestinal nematodes in small ruminants in the plateau areas in togo].post-mortem helminthological examinations were performed in togo on small ruminants of the djallonké breed (59 sheep, 60 goats), revealing the presence of eight gastrointestinal nematode species which were, in decreasing prevalence order, trichostrongylus sp. (t. axei and t. colubriformis) (99%), haemonchus contortus (82%), strongyloides papillosus (67%), cooperia curticei (43%), oesophagostomum columbianum (40%), gaigeria pachyscelis (36%) and trichuris ovis (4%). the average worm burden was 1, ...19958734228
morphological differences in trichuris ovis associated with different host species. 19846512651
characterization of four species of trichuris (nematoda: enoplida) by their second internal transcribed spacer ribosomal dna worms of trichuris ovis and t. globulosa were collected from ovis aries (sheep) and capra hircus (goats). t. suis was isolated from sus scrofa domestica (swine) and t. leporis was isolated from lepus europaeus (rabbits) in spain. genomic dna was isolated and a ribosomal internal transcribed spacer (its2) was amplified and sequenced using polymerase-chain-reaction (pcr) techniques. the its2 of t. ovis and t. globulosa was 407 nucleotides in length and had a gc content of about 62%. furtherm ...200011133103
gastro-intestinal nematode infections in goats relative to season, host sex and age from the kashmir valley, india.the present study aimed to investigate the seasonal epidemiological prevalence of gastro-intestinal nematodes (gins) of goats with respect to sex and age of the host in the kashmir valley from 1 february 2005 to 31 january 2007. a total of 1267 goats were examined [faecal examination: 938 (year 1: 470; year 2: 468); gastro-intestinal (git) examination: 329 (year 1: 175; year 2: 154)]. the overall prevalence of gin infection in these animals was 54.3% (year 1: 54.8%; year 2: 53.8%; p = 0.842). th ...201019627625
[the prevalence of gastro-intestinal nematodes in hair goats of the sanliurfa region].the aim of this study was to determine the prevalence of gastro-intestinal nematodes in hair goats in sanliurfa region between november 2005 and november 2006. during this period, the alimentary canal from 1 or 2 goats was obtained from the municipal slaughterhouse each week. these were brought into the laboratory and examined for the presence of nematodes. gastro-intestinal tracts of 100 hair goats were examined. of these, 83 (83%) were found infected with nematodes. twenty nematode species wer ...200919367541
Displaying items 1 - 21 of 21