| [nematodirinae (nematoda) from ruminants and from lagomorpha. (author's transl)]. | study of eight species of nematodirinae with special emphasis on their synlophe: nematodirus filicollis (rudolphi, 1802), n. spathiger (railliet, 1896). n. helvetianus may, 1920, n. battus crofton & thomas, 1951, n. tortuosus tucker, 1942, nematodirella dromedarii (may, 1920), nematodiroides zembrae (bernard, 1965) and rauschia triangularis, type species of the new genus rauschia. furthermore, bibliographical data permit to know the structure of the synlophe in four other species. in each of the ... | 1979 | 525956 |
| [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 ... | 1977 | 572958 |
| [clinical examination of the blood of roe deer (capreolus capreolus l.) and fallow deer (dama dama l.) naturally invaded by parasites]. | roe-deer (capreolus capreolus l. -- five animals) and fallow deer (dama dama l. -- eleven animals) of both sexes and at different age were subject to blood examination. the deer were killed in several preserves in bohemia during autumn and winter shootings in two years. the following blood values were determined: erythrocyte count, leucocyte count, hemoglobin content, hematocrit values, mcv, mch, mchc, white blood picture, total protein, its fractions (albumin, alpha-, beta-, and gamma-globulin) ... | 1975 | 809892 |
| [effect of fenbendazole (panacur) in sheep naturally invaded by gastrointestinal and lung nemtaodes]. | the paper presents the results of the clinical tests of fenbendazole (panacur, produced by hoechst, f. r. g.), a new antihelminthic preparation. the tests were performed in sheep naturally invaded by gastrointestinal and lung nematodes. helminthological dissection performed 7 days after the application of 5 mg of fenbendazole per 1 kg of sheep weight proved 100% effectiveness on lungworms (dictyocaulus filaria) and on the following gastrointestinal helminths: ostertagia ostertagi, haemonchus con ... | 1975 | 812246 |
| [clinical examination of the blood of red deer (cervus elaphus l.) naturally infested with parasites]. | in six animals hunted and four immobilized animals of red deer (cervus elaphus l.) of both sexes and of different age, kept at three game preserves in bohemia, the psychological values were ascertained: the number of erythrocytes and leucocytes, the hemoglobin content, the hematocrit, mcv, mch, mchc, the white blood count, the total serum protein, the fractions: albumin, alpha-, beta- and gamma-globulin, the activity of sgot, and sgpt, the alkaline phosphatase and the metabolism of calcium, phos ... | 1976 | 820034 |
| an evaluation of ethyl-6-ethoxybenzothiazole-2-carbamate (sch 18099) for anthelmintic activity in domestic animals. | ethyl-6-ethoxybenzothiazole-2-carbamate (sch 18099) was evaluated for efficacy against natural helminth infections in ponies, pigs, lambs and chickens. sixteen critical trials were conducted in ponies at dosages of 15 to 150 mg/kg. at 15 mg/kg, efficacy against adult and larval oxyuris equi was 100% and 91% and against small strongyles it was 98%. efficacy levels were 95% against strongylus vulgaris and s. edentatus at the 20 mg/kg dosage. in two trials at 100 mg/kg efficacy against parascaris e ... | 1977 | 864223 |
| anthelmintic efficiency of oxfendazole in california lambs. | oxfendazole, methyl 5(6)-phenylsulfinyl-2-benzimidazole carbamate, was given by oral drench (5 mg/kg) to california lambs harboring natural infections of gastrointestinal nematodes. ninety-nine percent of adult ostertagia circumcincta, ostertagia trifurcata, trichostrongylus axei, trichostrongylus vitrinus, trichostrongylus colubriformis, nematodirus filicollis, and nematodirus spathiger were removed by the anthelmintic. | 1977 | 921025 |
| efficacy of p-toluoyl chloride phenylhydrazone against gastrointestinal helminths in ovines. | a new anthelmintic candidate, p-toluoyl chloride phenlylhydrazone, was administered to lambs in a paste formulation. the efficacy of this drug was determined at dose rates of 20, 30, 40, and 50 mg of active ingredient per kilogram of body weight. helminths expelled by these dosages included haemonchus contortus, ostertagia circumcicta, trichostrongylus colubriformis, t. axei, nematodirus filicollis, cooperia curticei, strongyloides papillosus, oesophagostomum columbianum, bunostomum trigoncephal ... | 1976 | 1263040 |
| the ecology of the free living stages of nematodirus filicollis. | the development and survival of the eggs of nematodirus filicollis placed on grass plots over a period of a year were studied. development took place at every season although it was more rapid in the warmer months. yields of larvae were highest from eggs placed outside during february, march and april. larvae persisted for two to two and a half years after eggs were placed on the pastures. the extraordinary persistence of the eggs and larvae of n filicollis makes control of the parasite difficul ... | 1976 | 1265352 |
| [dynamics of infestation with gastrointestinal strongyles of moors grazed by sheep in the mediterranean area]. | the dynamics of free-living stages of sheep nematodes was studied. the kinetics of infective larvae population was established during 16 months by sampling grass and faeces every 2 wk on an area frequently used by ewes on 3 out of 4 paddocks grazed by a flock. the periods at high risk for animal infection were autumn and spring, the moors being sterilized during summer by the dryness. teladorsagia circumcinta, trichostrongylus vitrinus, nematodirus filicollis and n. spathiger were the main speci ... | 1990 | 2288450 |
| control of hypobiotic and benzimidazole-resistant nematodes of sheep. | in studies comprising a total of 117 naturally infected crossbred lambs, it was found that lambs turned out to spring pasture were exposed to immediate infection with overwintered ostertagia, nematodirus, and trichostrongylus spp, but did not acquire haemonchus contortus infection until july. with all species, there appeared to be only one major disease-producing generation of worms per year; it was responsible for serious worm burdens and clinical disease from july onward. high frequencies of h ... | 1984 | 6725108 |
| the trichostrongyloid parasites of sheep in south australia and their regional distribution. | the species of trichostrongyloid nematodes present in 376 sheep from different agricultural regions of the state of south australia were determined. parasites encountered in the abomasum were teladorsagia circumcincta, t. trifurcata, t. davtiani, camelostrongylus mentulatus, haemonchus contortus and trichostrongylus axei. t. circumcincta was the species most commonly encountered, but c. mentulatus was widespread in arid areas. h. contortus was present in a small number of sheep only, mainly in s ... | 1982 | 7168719 |
| a key to the identification of arrested gastrointestinal nematode larvae of sheep in britain. | a simple key is presented for the identification of arrested larval nematodes recovered from the gastrointestinal tract of sheep slaughtered in britain. the parasites included in this key are those species which are most commonly seen to undergo arrested development in sheep. they include teladorsagia (ostertagia) spp., haemonchus contortus, trichostrongylus axei, intestinal trichostrongylus spp., nematodirus battus, nematodirus filicollis, and cooperia spp. easily identifiable morphological fea ... | 1993 | 8493769 |
| [helminth burden of slaughter sheep in upper bavaria. 1: species spectrum, infestation extent and infestation intensity]. | the helminth fauna of 136 slaughtered sheep (99 lambs < 1 year, and 37 sheep > or = 1 year) from upper bavaria, germany, was examined. in all 2 species of trematodes, 3 species of cestodes and 24 species of nematodes were found. all the animals harboured gastrointestinal nematodes, 9 of them liver flukes, 33 moniezia spp., 19 cysticercus tenuicollis, and one sheep setaria sp. lungworms were not seen. the most prevalent species were cooperia curticei (74.3%), trichuris ovis (69.1%), ostertagia ci ... | 1996 | 8694743 |
| the influence of stocking rate on gastrointestinal nematode infections of sheep over a 2-year grazing period. | six groups of four ewes with twin lambs grazed six paddocks during two consecutive seasons from may to september in a two-factorial study on stocking rate (9, 13 and 17 ewes ha-1) and infected (designated i-low, i-medium and i-high) versus clean pasture (c-low, c-medium and c-high). all animals were treated with anthelmintic at turn-out and the c-groups were further treated fortnightly. the two sets of paddocks received 0, 80 and 160 kg n fertilizer ha-1 annually with increasing stocking rate. e ... | 1996 | 9017869 |
| isoelectric focusing of soluble proteins in the characterization of species and isolates of nematodirus (nematoda: trichostrongyloidea). | isoelectric focusing was performed on extracts from nematodirus spathiger, nematodirus filicollis, nematodirus helvetianus, and 3 geographic isolates of nematodirus battus. gender-specific differences were noted within species; however, the overall protein profile of each species and isolate was distinct and reproducible and allowed unequivocal differentiation. a coefficient of similarity (sm) for males of each species and isolate was calculated, and a dendrogram, based on evaluation of sm by th ... | 1997 | 9379295 |
| differences in the second internal transcribed spacer of four species of nematodirus (nematoda: molineidae). | genetic differences among nematodirus spathiger, nematodirus filicollis, nematodirus helvetianus and nematodirus battus in the nucleotide sequence of the second internal transcribed spacer (its-2) of ribosomal dna ranged from 3.9 to 24.7%. pairwise comparisons of their its-2 sequences indicated that the most genetically similar species were n. spathiger and n. helvetianus. n. battus was the most genetically distinct species, with differences ranging from 22.8 to 24.7% with respect to the other t ... | 1998 | 9512998 |
| [endoparasitic infections in sheep from the swabian alb]. | the endoparasite fauna of 59 slaughtered sheep (30 lambs, 29 ewes) from the swabian alb, germany, was examined. one species of trematodes, 3 species of cestodes, 29 species of nematodes (23 species of gastro-intestinal and 6 species of lung nematodes), 1 species of arthropodes and 1 species of protozoa were recorded. all animals were infected with dicrocoelium dentriticum as well as gastro-intestinal and lung nematodes, 45.8% with moniezia spp., 15.3% with cysticercus tenuicollis, 55.9% with oes ... | 1998 | 9857565 |
| differences in the second internal transcribed spacer (its-2) of eight species of gastrointestinal nematodes of ruminants. | genetic differences in the nucleotide sequence of the second internal transcribed spacers (its-2) among trichostrongylus axei, trichostrongylus colubriformis, ostertagia ostertagi, cooperia oncophora, cooperia punctata, nematodirus helvetianus, nematodirus filicollis, and haemonchus contortus are described. the its-2 sequences of the 8 species ranged between 230 and 241 base pairs in length. sequence similarities between the different genera varied between 60% and 80%. identities between the dif ... | 1999 | 10386433 |
| prevalence and seasonal pattern of caprine trichostrongyles in a dry area of central spain. | a total of 322 gastrointestinal tracts were examined from traditionally reared goats originating from a dry area of central spain. a large spectrum of gastrointestinal nematodes was observed, teladorsagia circumcincta and t. trifurcata being the most prevalent species, followed by trichostrongylus vitrinus and nematodirus filicollis. trichostrongylus capricola recorded a high level of infection despite low prevalence. a nematode infection rate of 93% and an average burden of over 3000 worms indi ... | 1999 | 10676144 |
| relationships of nematodirus species and nematodirus battus isolates (nematoda: trichostrongyloidea) based on nuclear ribosomal dna sequences. | nuclear ribosomal sequence data from the internal transcribed spacers (its-1 and its-2), 5.8s subunit, and regions of the 18s and 28s genes were used to investigate sequence diversity among geographic samples of nematodirus battus, and to infer phylogenetic relationships among nematodirus species. phylogenetic analysis of these data yielded strong support for relationships among species, depicting nematodirus helvetianus and nematodirus spathiger as sister-taxa and a clade of these 2 species and ... | 2000 | 10864259 |
| efficacy of doramectin injectable against oestrus ovis and gastrointestinal nematodes in sheep in the southwestern region of france. | a study was conducted to evaluate the therapeutic efficacy of doramectin administered intramuscularly at a dose rate of 200 microg/kg to sheep harbouring naturally acquired infections of gastrointestinal nematodes and oestrus ovis in the southwestern region of france. on day 0, 24 sheep were selected on the basis of positive faecal egg counts (>100 epg) and positive assessment of o. ovis infection (including positive o. ovis antibody level and positive clinical score). the sheep were randomly al ... | 2001 | 11230921 |
| epidemiological study of the intestinal helminths of wild boar (sus scrofa) and mouflon (ovis gmelini musimon) in central italy. | since 1995 the population of wild ungulates increased significantly in the "parco provinciale dei monti livornesi" (livorno, tuscany, central italy). we studied the intestinal macroparasites of two hosts, the wild boar (sus scrofa) and the mouflon (ovis gmelini musimon). in the case of wild boars we found a dominant parasite species, globocephalus urosubulatus. for this parasite the frequency distribution of the number of parasites per host agrees with a negative binomial distribution. there is ... | 2002 | 12701385 |
| incidence of nematodirus species and their differentiation through the infective third stage larvae among egyptian camels. | coprological examination on camels (camelus dromedarius) from different localities in egypt revealed the presence of nematodirus eggs in 38 out of 312 (12.18%). the faecal samples positive to nematodirus eggs were cultured for collection of infective third stage larvae (l3). details of the general and differential categories of each sample were given. the recovered species were nematodirus battus, nematodirus filicollis and nematodirus spathiger. | 2005 | 16083058 |
| a 12-month survey of gastrointestinal helminth infections of cervids kept in two zoos in belgium. | infections with helminths are a major health issue in captive and wild deer. in this study, fecal egg count patterns and clinical signs associated with gastrointestinal nematodes were assessed for 12 mo in nine cervid herds kept under different husbandry conditions at two sites. at site 1, an urban zoo, fecal egg counts remained low and no clinical signs of parasitic gastroenteritis were seen in the herds of fallow deer (dama dama), dybowski's deer (cervus nippon dybowski), pudu (pudu pudu), and ... | 2005 | 17312767 |
| reaction to temperature by infective larvae of nematodirus filicollis, trichostrongylidae (nematoda). | | 1956 | 17648893 |
| 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 ... | 2007 | 17969715 |
| arrested development of sheep strongyles: onset and resumption under field conditions of central europe. | two tracer tests were conducted between august 2004 and march 2007 at an ecological farm in western bohemia. the first tracer test was performed for the summer-autumn grazing period (onset of arrested development), the second for spring (resumption of arrested development). in the first tracer test, the percentage of nematodes arresting development over the winter months reached 87.7% for teladorsagia circumcincta, 66.7% for haemonchus contortus, 89.9% for nematodirus filicollis, 21.6% for trich ... | 2008 | 18454350 |
| dose determination studies for monepantel, an amino-acetonitrile derivative, against fourth stage gastro-intestinal nematode larvae infecting sheep. | monepantel is the first compound from the recently discovered amino-acetonitrile derivative (aad) class of anthelmintics to be developed for use in sheep. three dose determination studies were conducted in australia and switzerland to identify the minimum therapeutic dose of monepantel when formulated for the oral treatment of sheep to control fourth stage (l4) gastro-intestinal nematode larvae. in each study, sheep infected with the target nematodes (selected from haemonchus contortus, teladors ... | 2008 | 18760536 |
| linear distribution of nematodes in the gastrointestinal tract of tracer lambs. | forty-eight tracer lambs were killed in 2004-2007. the abomasum, duodenum, small intestine (jejunum and ileum), colon and caecum were collected and processed for parasites enumeration and identification-mucosal scrapings of both abomasums and intestines were digested. out of 48 gastrointestinal tracts examined, all were found to be positive for nematode infection. seventeen species of gastrointestinal nematodes were recovered: bunostomum trigonocephalum, cooperia curticei, haemonchus contortus, ... | 2008 | 18766377 |
| the contribution to the epidemiology of gastrointestinal nematodes of sheep with special focus on the survival of infective larvae in winter conditions. | tracer tests conducted over a 3-year period were aimed at measuring the level and species nematode composition of survival on pastures with a special focus on winter months. the survival of infective larvae in chilly conditions is not significantly affected by trichostrongylus axei, trichostrongylus colubriformis, trichostrongylus vitrinus and chabertia ovina. on the contrary, the number of teladorsagia circumcincta and nematodirus filicollis significantly increased in milder winter conditions. ... | 2009 | 19031086 |
| hatching behaviour of nematodirus filicollis in a flock co-infected with nematodirus battus. | the development and survival of larvae of nematodirus filicollis, an important nematode parasite of ruminants, were extensively investigated in the laboratory for the first time, using eggs harvested from sheep grazing in the uk in winter. third-stage larvae (l3s) developed within the eggs between 12 and 25 degrees c, with the proportion of eggs developing successfully being highest at the upper end of this range. eggs required chilling below 10 degrees c before being able to hatch at all, and m ... | 2009 | 19402942 |
| parasites of chamois in new zealand. | abstract sir, - andrews'((2)) checklist of helminth parasites of wild ruminants in new zealand recorded the presence of 10 species of gastrointestinal nematodes in chamois (rupicapra rupicapra rupicapra l.) from "central south island". in october 1978 we examined 28 freshly-shot chamois cadavers from the harper-avoca watershed in the headwaters of the rakaia river. six of the nematode species reported by andrews were found again; viz. ostertagia ostertagi, o. circumcincta, o. trifurcata, nemat ... | 1981 | 22133071 |
| parasites of captive fallow deer (dama dama l.) from southern poland with special emphasis on ashworthius sidemi. | fallow deer in poland is an alien species, with an ambiguous legal status. it is considered both, a game and a farm animal, which introductions in recent years led to a substantial increase of its population. as a representative of cervids, it shares with other free-ranging and domestic ruminants many of gastrointestinal helminths, among them an alien ashworthius sidemi, the nematode of a high pathogenicity. until now, the parasite was observed in poland at two foci of the wild (i.e., bialowieza ... | 2012 | 23094333 |
| the reindeer abomasal nematode (ostertagia gruehneri) is naturally transmitted to sheep when sharing pastures. | the increasing number of sheep (ovis aries) in northern finland, often alternately corralled with winter-fed reindeer (rangifer tarandus tarandus), creates potential for cross-infection of gastrointestinal nematodes. the aim of this study was to elucidate this possibility with 43 animals. eleven reindeer and 8 sheep had shared a corral by turns, reindeer during winters, and sheep in summers. another 12 reindeer had no known contact with sheep. twelve sheep had no close contact to other ruminants ... | 2014 | 25106839 |
| a multiplex pcr-based method to identify strongylid parasite larvae recovered from ovine faecal cultures and/or pasture samples. | a multiplex pcr-based method was developed to overcome the limitations of microscopic examination as a means of identifying individual infective larvae from the wide range of strongylid parasite species commonly encountered in sheep in mixed sheep-cattle grazing situations in new zealand. the strategy employed targets unique species-specific sequence markers in the second internal transcribed spacer (its-2) region of ribosomal dna of the nematodes and utilises individual larval lysates as reacti ... | 2014 | 24373513 |
| gastrointestinal nematode infections in roe deer (capreolus capreolus) from the nw of the iberian peninsula: assessment of some risk factors. | intestinal contents of 218 roe deer hunted in the northwest (nw) of the iberian peninsula during the 2008-2009 hunting seasons were examined in order to provide information on the gastrointestinal (gi) nematode prevalence and intensity of infection and the possible influence of some environmental and intrinsic factors such as climatic conditions, age and sex. all the animals studied harboured gi nematodes, and a total of 20 different species belonging to ten genera were identified. spiculopterag ... | 2013 | 23433640 |
| helminths of roe deer (capreolus capreolus) in the middle black sea region of turkey. | fifteen roe deer were examined at necropsy from northern turkey in the period 2006-2010 for the helminth infections. totally 6470 helminth specimens were collected and identified by morphological criteria. twenty-five helminth species were identified (1 of the class trematoda, 1 of cestoda and 23 of nematoda). dicrocoelium dendriticum (prevalence 20%) was found in liver. cysticercus tenuicollis (6.6%) was found in mesentery. haemonchus contortus (53.3%), ostertagia leptospicularis (73.3%), o. le ... | 2012 | 22766455 |
| chilling requirements for hatching of a new zealand isolate of nematodirus filicollis. | the eggs of some species of the parasitic nematode nematodirus require a period of chilling before they can hatch; n. filicollis is one such species. this study investigated this requirement for chilling in a new zealand strain of this species. eggs of n. filicollis were extracted from lamb's faeces and incubated at 20°c to allow development to the third stage larvae within the egg. these eggs were then placed into tissue culture plates and incubated at: 2.7°c (±0.99), 3.6°c (±0.90), 4.7°c (±0.3 ... | 2016 | 27514876 |
| a survey of the prevalence of nematodirus spathiger and n. filicollis on farms in the north and south islands of new zealand. | to compare the prevalence of nematodirus spathiger and n. filicollis on a sample of farms in the lower south island with the lower and central north island of new zealand by way of a presence/absence survey. | 2014 | 24916540 |