[redescription of dictyocaulus noerneri ralliet et henry, 1907, parasite of capreolus capreolus in europe. comparison with d. viviparus (bloch, 1782), a parasite of cattle]. | both species are easily distinguished by the shape and the thickness of the buccal ring. in d. noerneri, the buccal ring is 12-14 microns high, kidney like shape in optical section and thick in en face view. in d. viviparus, the buccal ring is 22-25 microns high, triangular shape in optical section and thin in en face view. the taxon dictyocaulus eckerti skrjabin, 1931, described from rangifer larandus in western siberia, has been misused to call the dictyocaulids of european cervidae. if those ... | 1988 | 3202587 |
[diffusion of helminth parasites of the digestive system and respiratory system in deer (cervus elaphus) of the la mandria regional park (piedmont)]. | a study was carried out on the diffusion of helminth parasites of liver, gastrointestinal system and bronchial system in 68 red deer (cervus elaphus) from regional park "la mandria" (piedmont, italy). the following species of nematodes were identified: trichostrongylus axei, spiculopteragia spiculoptera, rinadia mathevossiani, cooperia oncophora, cooperia pectinata, cooperia punctata, cooperia zurnabada, oesophagostomum venulosum, dictyocaulus eckerti, varestrongylus sagittatus. studies on some ... | 1980 | 7312394 |
[comparative molecular biologic characterization of dictyocaulus viviparus and dictyocaulus eckerti]. | for a comparative characterization of the lungworm species d. viviparus and d. eckerti which is not generally accepted as a separate species, the restriction fragment length polymorphism (rflp) of the pcr amplified ribosomal second internal transcribed spacer (its2) and their sequences of both species have been examined. ribosomal its2 dna was amplified from genomic dna of individual worms using primer that correspond to the conserved 3' and 5' ends of the its2 flanking 5.8s and 28s regions of c ... | 1996 | 8765539 |
species-specific polymerase chain reaction for the differentiation of larvae from dictyocaulus viviparus and dictyocaulus eckerti. | using substantial interspecific differences between the second internal transcribed spacer (its2) region within the rdna gene of dictyocaulus eckerti and dictyocaulus viviparus a species-specific pcr was developed to distinguish between lungworm larvae of the two species from fallow deer and cattle. it was found that the method of dna extraction was crucial for the sensitivity of the pcr. with serial dilutions of dna extracted from 10,000 larvae the its2 fragment could be amplified from all dilu ... | 1997 | 9066058 |
its2 sequences of dictyocaulus species from cattle, roe deer and moose in sweden: molecular evidence for a new species. | total dna was isolated from adult lungworms of the genus dictyocaulus, collected from cattle, moose (alces alces) and roe deer (capreolus capreolus) in sweden. the second ribosomal internal transcribed spacer was amplified with pcr, and dna sequences were determined from nine individual worms that all came from different hosts in order to avoid analysis of siblings. the sequence data obtained were aligned and compared with similar data derived from german lungworm isolates from cattle and fallow ... | 1999 | 10428637 |
effects of grazing undrenched weaner deer on chicory or perennial ryegrass/white clover pasture on the viability of gastrointestinal nematodes and lungworms. | this study determined the in vitro effects on the viability of internal parasites of grazing undrenched weaner deer on either chicory (cichorium intybus) or perennial ryegrass (lolium perenne)/white clover (trifolium repens) pasture. one experiment investigated the hatching and development of gastrointestinal nematode eggs and larvae, and the development and motility of l1 lungworm (dictyocaulus eckerti) larvae, and a second experiment used larval migration inhibition assays to test the viabilit ... | 2002 | 12371691 |
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. | 2003 | 12474047 |
dictyocaulus eckerti, lungworm infecting farmed red deer in new zealand. | | 2001 | 16032160 |
dictyocaulus species: cross infection between cattle and red deer. | aim: to discover whether cross infection between red deer (cervus elaphus) and cattle is possible with either a bovine isolate of the cattle lungworm, dictyocaulus viviparus, or with a cervine isolate of the lungworm, dictyocaulus eckerti which is thought to be maintained primarily in deer. method: twelve cattle and 12 red deer were reared parasite-free from birth. at 3-4 months of age, half of each species (n=6) were experimentally infected with d. viviparus and the other half with d. eckerti. ... | 2003 | 16032306 |
[the endoparasites of sika deer (cervus nippon) in austria]. | the endoparasite fauna of 108 sika deer (42 calves <1 year, 20 approximately 1 year old animals, 46 animals >1 year) originating from the two free-living sika deer populations in austria (ostrong, 35 animals; tullner donauauen, 73 animals) was studied. the deer were shot during the hunting seasons 2003-2005. in all, at least four species of protozoa (eimeria austriaca, eimeria robusta, eimeria sordida; sarcocystis spp.), two species each of cestodes (moniezia benedeni, larval cyst of taenia hyda ... | 2007 | 17987366 |
characterization of dictyocaulus species (nematoda: trichostrongyloidea) from three species of wild ruminants in northwestern spain. | specimens of dictyocaulus spp. were extracted from the respiratory tracts of 3 ruminant hosts including roe deer (capreolus capreolus), red deer (cervus elaphus), and chamois (rupicapra rupicapra) from wild populations in the province of le6n, northwestern spain. the near-complete nuclear small-subunit ribosomal rna gene, and 2 regions of the large-subunit ribosomal rna gene, were amplified by pcr and sequenced. the ssu rdna gene sequences indicated a high level of similarity between the isolate ... | 2009 | 20050000 |
comparison of the flotac technique with the mcmaster method and the baermann technique to determine counts of dictyocaulus eckerti l1 and strongylid eggs in faeces of red deer (cervus elaphus). | the flotac flotation technique has been introduced as a new diagnostic tool to detect parasitic elements from faeces. samples from naturally infected young deer were used for counting dictyocaulus larvae and strongylid eggs. the flotac technique, using 11 different flotation solutions with specific gravities (sg) between 1.20 and 1.45, was compared with the baermann technique and the saturated sodium chloride (sg 1.20)-based mcmaster method. in addition, a comparison was made between the flotac ... | 2010 | 20502918 |
endoparasites of the fallow deer (dama dama) of the antheringer au in salzburg, austria. | although the annual harvest of fallow deer increased markedly in austria in the past two decades, only little is known about the parasites of fallow deer in austria. to add current faunistic knowledge on the endoparasites of fallow deer in the country, viscera from six adult males and one male fawn from the game preserve antheringer au, salzburg, were examined in 2009-2010 using standard techniques, and spleen samples were screened for dna of tick-borne pathogens (polymerase chain reaction). inf ... | 2014 | 24535173 |
genetic diversity and population genetics of large lungworms (dictyocaulus, nematoda) in wild deer in hungary. | dictyocaulus nematode worms live as parasites in the lower airways of ungulates and can cause significant disease in both wild and farmed hosts. this study represents the first population genetic analysis of large lungworms in wildlife. specifically, we quantify genetic variation in dictyocaulus lungworms from wild deer (red deer, fallow deer and roe deer) in hungary, based on mitochondrial cytochrome c oxidase subunit 1 (cox1) sequence data, using population genetic and phylogenetic analyses. t ... | 2016 | 27150969 |
development of a multiplex pcr for identification of dictyocaulus lungworms in domestic and wild ruminants. | dictyocaulus lungworms are the causative agents of parasitic bronchitis (dictyocaulosis) characterised by coughing and severe lung pathology in domestic and wild ruminants. the objective of this study was to design a simple molecular test that could detect of lungworm dna from both adult and larval lungworms and could distinguish between the most common dictyocaulus species found in cattle and in some species of wild ruminants. a multiplex pcr test with four novel primers targeting species-speci ... | 2015 | 26266883 |
reduced efficacy of moxidectin and abamectin in young red deer (cervus elaphus) after 20 years of moxidectin pour-on use on a new zealand deer farm. | a study was undertaken on weaned 4-5 month old farmed red deer to test the efficacy of moxidectin and abamectin anthelmintics, given by three different routes of administration, compared with an untreated control. faecal samples were collected on days 0, 7 and 14 for a faecal egg count reduction test (fecrt), blood samples were collected on days 0, 0.5, 1, 2, 3, 5, 7, 10 and 14 for pharmacokinetics, and the deer were killed on days 14 or 15 for total nematode count. the control group averaged 12 ... | 2014 | 24144515 |
interrelationships of dictyocaulus spp. in wild ruminants with morphological description of dictyocaulus cervi n. sp. (nematoda: trichostrongyloidea) from red deer, cervus elaphus. | lungworms from the genus dictyocaulus cause parasitic bronchitis (dictyocaulosis) characterized by coughing and severe lung pathology in both domestic and wild ruminants. in this study we investigated the interrelationships of dictyocaulus spp. from european bison (bison bonasus l.), roe deer (capreolus capreolus) and red deer (cervus elaphus) by nucleotide sequence analysis spanning the 18s rna gene (ssu) and internal transcribed spacer 2 (its2) regions of the ribosomal gene array as well as th ... | 2017 | 28585897 |
limited sequence variation in the major sperm protein 1 (msp) gene within populations and species of the genus dictyocaulus (nematoda). | populations of the bovine lungworm, dictyocaulus viviparus, are genetically structured based on variation in mtdna and aflp data. our aim was to investigate if this genetic variability also is reflected in a protein recognized by the host immune system. we focused on the major sperm protein (msp), a small and abundant protein used in diagnostic immunoassays, which has been shown to be variable in some nematodes but not others. msp was sequenced using worm dna from eight adult worms from each of ... | 2008 | 18392853 |
[possibilities of contagion of gastrointestinal and lung nematode infections of fallow deer for cattle, sheep and goats raised in the same fenced area as fallow deer]. | cattle as well as sheep and goats may be infected with parasitic nematodes of fallow deer under natural conditions, but heavy infections do not occur. most nematode species were recorded in goats, cattle harboured the fewest number of species. the specific abomasal parasites of fallow deer (spiculopteragia asymmetrica, apteragia quadrispiculata, skrjabinagia ryjikovi, ostertagia drozdzi) were only seen in goats in greater number while both cattle and sheep were only poor susceptible. capillaria ... | 1994 | 7720543 |
infection of roe-deer in france by the lung nematode, dictyocaulus eckerti skrjabin, 1931 (trichostrongyloidea): influence of environmental factors and host density. | the prevalence of the lungworm, dictyocaulus eckerti, was studied in a sample of 603 roe-deer (capreolus capreolus) in the rhone district of france. the mean prevalence of infection (17%) in deer in a given area fluctuated according to the percentage of the area covered with forest, or lake and river. the density of roe-deer or domestic ruminants, the type of forest and the maximum elevation of the site were not related to the prevalence of infection. | 1987 | 2950246 |