Publications

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effect of selected anthelmintics on three common helminths in the brown pelican (pelecanus occidentalis).the effect of selected anthelmintics (albendazole, fenbendazole, piperazine dihydrochloride and clorsulon) against three major helminths (contracaecum multipapillatum, mesostephanus appendiculatoides, and phagicola longus) were studied in 29 brown pelicans (pelecanus occidentalis). albendazole and fenbendazole were highly effective against all three parasites. clorsulon had moderate effect against m. appendiculatoides and poor effect against c. multipapillatum and p. longus. piperazine dihydroch ...19892915399
the life cycle of contracaecum multipapillatum (von drasche, 1882) lucker, 1941 (nematoda: heterochelidae). 19676067110
contracaecum multipapillatum (=c. robustum) from fishes and birds in the northern gulf of mexico. 19807193244
helminth and arthropod parasites of the brown pelican, pelecanus occidentalis, in puerto rico, with a compilation of all metazoan parasites reported from this host in the western hemisphere.seven species of helminths and six species of arthropods are reported from 23 of 40 brown pelicans, pelecanus occidentalis, collected from various localities in puerto rico. helminth parasites include three nematodes (contracaecum multipapillatum, contracaecum mexicanum, and eustrongylides sp.), three trematodes (galactosomum darbyi, mesostephanus appendiculatoides, and ribeiroia ondatrae), and one cestode (tetrabothrium sulae). arthropod parasites include colpocephalum occidentalis, neottialges ...200212427338
prevalence and pathology of helminths of ciconiiform birds from the brazilian swamplands.the prevalence of helminths recovered from 108 birds representing eight species of ciconiiformes from the brazilian west-central region are presented. the digeneans ascocotyle (phagicola) longa, clinostomum marginatum, cotylotretus grandis, ithyoclinostomum dimorphum, the nematodes contracaecum multipapillatum, desmidocercella ardeae, eustrongylides ignotus, and the cestode valipora mutabilis were identified. contracaecum multipapillatum was the most prevalent species and e. ignotus the most pat ...200415469630
molecular characterization and phylogeny of anisakid nematodes from cetaceans from southeastern atlantic coasts of usa, gulf of mexico, and caribbean sea.in the present study, 407 anisakid nematodes, collected from 11 different species of cetaceans of the families delphinidae, kogiidae, physeteridae, and ziphiidae, from the southeastern atlantic coasts of usa, the gulf of mexico, and the caribbean sea, were examined morphologically and genetically characterized by pcr restriction fragment length polymorphism to identify them to species level, assess their relative frequencies in definitive hosts, and determine any host preference. sequence data f ...201121212982
parasite communities of the neotropical cormorant phalacrocorax brasilianus (gmelin) (aves, phalacrocoracidae) from two coastal lagoons in guerrero state, mexico.the parasite community structure of the neotropical cormorant, phalacrocorax brasilianus, from two lagoons (coyuca and tres palos) from guerrero state, méxico, was examined. fourteen species of adult helminths (6,391 individuals) from 48 cormorants were identified: 9 digeneans, 1 acanthocephalan, 1 cestode, and 3 nematodes. a total of 11 species were collected in coyuca lagoon and 12 in tres palos lagoon. nine species co-occurred in cormorants of both lagoons but, with the exception of contracae ...201121503640
molecular characterization of anisakid nematode larvae from 13 species of fish from western australia.this study characterized anisakid nematodes in estuarine and near-shore species of fish in southern western australia. a total of 108 fish representing 13 species were examined for anisakid larvae. for the molecular characterization of anisakid larvae (n=218), we used pcr-coupled mutation scanning-sequencing-phylogenetic analyses of sequence variation in the internal transcribed spacers of nuclear ribosomal dna. with the exception of sillaginoides punctatus and sillago schomburgkii, all the fish ...201223353682
trace elements in sediments, blue spotted tilapia oreochromis leucostictus (trewavas, 1933) and its parasite contracaecum multipapillatum from lake naivasha, kenya, including a comprehensive health risk analysis.this study presents the distribution of 15 major and trace elements in sediments and fish and their pericardial parasites from lake naivasha, kenya. the lake is one of the few freshwater lakes in the great rift valley and is under strong anthropogenic pressure mainly due to agricultural activities. its fish provide a valuable protein source for approximately 100,000 people in the area. fish and their parasites have been acknowledged as indicators of environmental quality due to their accumulatio ...201424573461
epicutaneous sensitization with nematode antigens of fish parasites results in the production of specific igg and ige.fish consumption plays an important role in the human diet. hoplias malabaricus, trahira, is a freshwater fish widely appreciated in several brazilian states and it is frequently infected by contracaecum multipapillatum third-instar larvae (l3). the aim of the present study was to evaluate the allergenic potential of the c. multipapillatum l3 crude extract (cecm). balb/c mice were immunized intraperitoneally (ip) with 10 or 50 μg cecm associated with 2 mg of aluminium hydroxide on days 0, 14 and ...201728780914
early development and life cycle of contracaecum multipapillatum s.l. from a brown pelican pelecanus occidentalis in the gulf of california, mexico.the initial developmental stages of contracaecum multipapillatum (von drasche, 1882) lucker, 1941 sensu lato were studied using eggs obtained from the uteri of female nematodes (genetically identified) found in a brown pelican pelecanus occidentalis from bahía de la paz (gulf of california, mexico). optical microscopy revealed a smooth or slightly rough surface to the eggs. egg dimensions were approximately 53 × 43 µm, although after the larvae had developed inside, egg size increased to 66 × 55 ...201728792415
a scanning electron microscopy study of early development in vitro of contracaecum multipapillatum s.l. (nematoda: anisakidae) from a brown pelican (pelecanus occidentalis) from the gulf of california, mexico.eggs obtained from the uteri of female nematodes, genetically identified as contracaecum multipapillatum s.l., found in a brown pelican (pelecanus occidentalis) from bahía de la paz, gulf of california, mexico, were used to study the early developmental stages of this anisakid by scanning electron microscopy (sem). egg dimensions were approximately 54 × 45 μm measured by sem. observation of the eggs revealed an outer surface of fibrous appearance. the newly hatched larvae were ensheathed and hig ...201728823050
levels of infection of gastric nematodes in a flock of great cormorants ( phalacrocorax carbo) from lake biwa, japan.a high prevalence (86.7%) of various species of nematodes was observed in the stomach of great cormorants living in lake biwa, japan. there were varying numbers of adults belonging to two common genera, eustrongylides jagerskiold 1909 (nematoda: dioctophymatidae) and contracaecum railliet & henry 1912 (nematoda: anisakidae). the first included common adenophorean nematodes comprising a single species, eustrongylides tubifex and the second comprised ascaroid nematodes that contained four named sp ...201121342602
contracaecum pyripapillatum n. sp. (nematoda: anisakidae) and a description of c. multipapillatum (von drasche, 1882) from the australian pelican, pelecanus conspicillatus.a new species of nematode, contracaecum pyripapillatum, is reported from the australian pelican, pelecanus conspicillatus. this species resembles contracaecum multipapillatum which was found in the same host. these two species can be differentiated from one another based on the shape of the preanal papillae, being pyriform in c. pyripapillatum and circular in c. multipapillatum. genetically, the two species differ in the sequences of first and second internal transcribed spacers (its-1 and its-2 ...200818688647
contracaecum multipapillatum (nematoda: anisakidae) from egretta alba (aves: ardeidae) and comments on other species of this genus in argentina.during a parasitological survey of aquatic birds in mar chiquita coastal lagoon (buenos aires province, argentina), specimens of contracaecum raillet & henry, 1912 sp. were found in the esophagus and stomach of the great egret egretta alba (gmelin, 1789) (aves: ardeidae). the nematodes were identified as contracaecum multipapillatum (drasche, 1882) on the basis of the following features: ratio of ventricular appendage length to esophagus length, ratio of intestinal caecum length to esophagus len ...200010958460
experimental infection of contracaecum multipapillatum (nematoda: anisakinae) from mexico in the domestic cat.juveniles of contracaecum multipapillatum infected the mayan cichlid (cichlasoma urophthalmus) and adults infected the olivaceous cormorant (phalacrocorax olivaceus) and the great egret (casmerodius albus) in the coastal lagoon at celestun, state of yucatan, mexico. all are new host records, and, even though the geographic locality record of mexico for the species has not been published, unidentified but presumably conspecific specimens have been reported from there. when juveniles of c. multipa ...19948064526
[parasite prevalence and intensity in mugil cephalus (pisces: mugilidae), from colorado river, baja california, mexico].the parasitic prevalence and mean intensity in the striped mullet, mugil cephalus, was seasonally determined during an annual cycle (february 1994 to february 1995) in the confluence of the colorado and hardy rivers, baja california, méxico. two species of parasites were identified, a nematode, contracaecum multipapillatum (von drasche, 1882) (ascaridida: anisakidae), and a copepod, ergasilus versicolor wilson, 1911 (poecilostomatoida: ergasilidae). the larvae of c. multipapillatum, which were r ...200011354956
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