Publications

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letter: experimental infection of sheep with camelostrongylus mentulatus and associated gastritis. 19744819471
parasitic gastritis in a llama (lama glama) associated with inhibited larval teladorsagia spp. (nematoda: trichostrongyloidea).a 7-year-old female llama was experimentally infected with 500 fasciola hepatica metacercariae then turned out onto pasture also grazed by domestic sheep. the llama was necropsied approximately 22 weeks post infection. routine examination of the gastrointestinal tract revealed diffusely coalescing, umbilicated nodules covering the caudal one-fifth of the third stomach compartment. microscopically, the mucosa was irregularly thickened. numerous nematode larvae were present in glandular lumens, of ...19938447076
seasonal fluctuations of gastrointestinal helminths of camels in kuwait.over a period of 1 year, from may 1982 to april 1983, the gastrointestinal tracts of 240 camels were examined for the presence of parasitic helminths. the study quantifies the prevalence of gastrointestinal helminths and the seasonal fluctuations in intestinal worm burdens and faecal worm egg counts. among the three species of cestodes and eight species of nematodes which were recorded for the first time from kuwait, trichostrongylus probolurus (93.8%), t. colubriformis (34.2%) and stilesia vitt ...19883388739
seasonal changes and inhibited development of the abomasal nematodes of sheep and goats in saudi arabia.from august 1991 to july 1992, a total of 48 abomasa from sheep and 48 from goats were examined at the jeddah abattoir for the presence of adult and larval nematodes. twenty-three of the sheep (47.9%) and 21 of the goats (43.8%) were infected with nematodes, a total of eight species being found. haemonchus contortus and marshallagia marshalli appeared to be the most important parasites. other species were less prevalent: trichostrongylus axei, camelostrongylus mentulatus, parabronema skrjabini, ...19957676605
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 ...19827168719
first description of gastrointestinal nematodes of barbary sheep (ammotragus lervia): the case of camelostrongylus mentulatus as a paradigm of phylogenic and specific relationship between the parasite and its ancient host.the gastrointestinal helminth fauna of 24 barbary sheep or aoudad (ammotragus lervia sahariensis) maintained in the parque de rescate de la fauna sahariana (prfs, csic, almeria, spain) was analyzed. most animals (87.5 %) were parasitized, and multiple infections were highly present. the following species were identified: camelostrongylus mentulatus, teladorsagia circumcincta, marshallagia marshalli, ostertagia ostertagi, o. leptospicularis, o. lyrata, haemonchus contortus, teladorsagia trifurcat ...201323616093
fecal parasite identification by microscopy and pcr in scimitar-horned oryx, oryx dammah, managed at two sites.the scimitar-horned oryx, oryx dammah, an endangered species extinct in the wild, is managed in various captive management programs and is the focus of reintroduction efforts. management variability can contribute to substantial parasite load differences, which can affect deworming programs and potentially transfer parasites to different regions with translocations. parasite studies in o. dammah are lacking. in this study, we determined fecal egg/oocyst counts of o. dammah in two captive herds, ...201627942456
[sheep trichostrongylidosis in van province].this study was performed in the van municipality slaughterhouse from january to december 2001. abomasums and small intestines from a total of 104 sheep were transported to the parasitology laboratory of the veterinary faculty of yüzüncü yil university for parasitological examination. the abomasums and small intestines of the animals were opened with appropriate technique in the laboratory, and male nematodes were collected from the contents of the abomasums and small intestines using a sampling ...200919851969
output of gastrointestinal nematode eggs in the feces of captive gazelles (gazella dama mhorr, gazella cuvieri and gazella dorcas neglecta) in a semiarid region of southeastern spain.feces from 62 captive african gazelles, including mhorr gazelles (gazella dama mhorr), cuvier's gazelles (gazella cuvieri), and dorcas gazelles (gazella dorcas neglecta), were examined over the course of a year to quantitate nematode egg excretion patterns. strongyloides sp. eggs appeared only in g. dama during the rainy season. trichostrongylidae egg excretion showed a marked seasonal variation, with very low levels during the dry and hot period, a finding that is probably attributable to hypob ...200617319122
a 12-month survey of the gastro-intestinal helminths of antelopes, gazelles and giraffids kept at two zoos in belgium.faecal egg count patterns and clinical signs associated with gastro-intestinal (gi) nematodes of 107 zoo ruminants were monitored at fortnightly intervals for 1 year. the ruminants in this study were kept under different husbandry conditions at two sites of the royal zoological society of antwerp, the antwerp zoo and the animal park planckendael. artiodactylids involved were arabian oryx (oryx leucoryx), scimitar-horned oryx (oryx dammah), bongos (tragelaphus euryceros isaaci), sitatungas (trage ...200415710531
helminths in a giraffe (giraffa camelopardalis xgiraffa) from a zoo in spain.a pregnant female cape giraffe (giraffa camelopardalis giraffa) died from an unknown cause in the aitana zoo, alicante, spain. neither clinical signs nor macroscopic lesions were observed at necropsy. the alimentary tract was removed and examined for parasites. a total of 2 724 nematodes were found, including camelostrongylus mentulatus, trichostrongylus axei, ostertagia ostertagi, teladorsagia circumcincta, teladorsagia trifurcata, marshallagia marshalli, trichostrongylus vitrinus, trichostrong ...200415373337
camelostrongylus mentulatus in domestic goats from the iberian peninsula.two male worms of camelostrongylus mentulatus were found in one of 84 murciano-granadina goats in murcia, south-eastern spain. this is the first report of c. mentulatus in goats in the iberian peninsula and the possible origin and transmission of this nematode in spain are discussed.200314627456
camelostrongylus mentulatus in a roe deer from the italian western alps. 200111583132
common secondary structures for the second internal transcribed spacer pre-rrna of two subfamilies of trichostrongylid nematodes.sequences of the second internal transcribed spacer ribosomal dna for the parasitic trichostrongylid nematodes trichostrongylus probolurus, trichostrongylus rugatus and camelostrongylus mentulatus were compared with previously published sequences for five other species within the genus trichostrongylus. the secondary structures of the second internal transcribed spacer pre-rrna for these nematodes were predicted using an energy minimisation method. the results indicate that a common secondary st ...19989846614
abomasal nematodes in goats from the subtropical island of grand canary (spain).the prevalence of gastric nematodes in 151 goats on grand canary island is around 56%, with a mean burden of 691 worms/animal. no significant differences of prevalence and intensity were found between the four isoclimatic areas of the island [dry-desert (dd); dry-steppe (ds); temperate-mild (tm); temperate-cold (tc)]. five nematode species were identified, the most commonly-occurring being teladorsagia circumcincta (observed in 65.8% of parasitized animals) and trichostrongylus axei (51.9%). the ...19979208446
a new host record of camelostrongylus mentulatus (nematoda; trichostrongyloidea) from abomasum of a giraffe at a zoo in japan.camelostrongylus mentulatus (railliet et henry, 1909) orloff, 1933 (nematoda; trichostrongyloidea) was found from the abomasum of a three-year-old female cape giraffe, giraffa camelopardalis giraffa, born and died in a zoo park in yamaguchi prefecture, japan. this is the new host record from giraffidae and geographical distribution of c. mentulatus. present case of c. mentulatus might be infected from other ruminants, e.g., camels, antelopes and goats, kept at a same paddock in the zoo. risk of ...19968996706
the systematics of nematodes that cause ostertagiasis in domestic and wild ruminants in north america: an update and a key to species.studies of medium stomach worms (subfamily ostertagiinae) of domestic and wild ruminants in north america have refined our understanding of the systematics, host distribution and biogeography of these nematodes. strong support for recognition of monophyly for the ostertagiinae has resulted from preliminary phylogenetic analyses of morphological characters among these and other trichostrongylids. evaluation of morphological and biochemical characters in our laboratory and elsewhere has not refute ...19938484224
abomasal and small intestinal nematodes from captive gazelles in spain.the abomasal and small intestinal helminth fauna of three species of captive gazelles (gazella dama mhorr, g. cuvieri and g. dorcas neglecta) kept in captivity in almería (southeast spain) have been studied, and the following species were identified: nematodirus spathiger, n. filicollis, n. helvetianus, camelostrongylus mentulatus, trichostrongylus vitrinus, t. probolurus, t. colubriformis, ostertagia ostertagi, o. harrisi, teladorsagia (ostertagia) circumcincta, and t. (ostertagia) davtiani. ca ...200111818055
comparative ultrastructure of the cuticle of trichostrongyle nematodes.the ultrastructure of the cuticle was examined in austrostrongylus victoriensis, patricialina birdi and woolleya monodelphis (herpetostrongylidae) from marsupials, paraustrostrongylus ratti (herpetostrongylidae) from rodents, nippostrongylus magnus and odilia bainae (heligmonellidae) from rodents, cooperia oncophora and camelostrongylus mentulatus (trichostrongylidae) from ruminants, and nematodirus spathiger (molineidae) from ruminants. the principal cuticular layers described previously were p ...19947982751
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