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Causes of inter-individual variation in reproductive strategies of the parasitic nematode Graphidioides subterraneus
Resource availability does not appear to constrain reproduction in G. subterraneus, with its host providing a stable, predictable environment, and results suggest that resource supply to individual worms is not limited by host size or by the number of conspecific parasites vying for the same resources. Expand
Hydatidosis cases in one of Mar del Plata City hospitals, Buenos Aires, Argentina.
- M. Dopchiz, M. Elissondo, M. Rossin, G. Denegri
- Revista da Sociedade Brasileira de Medicina…
- 1 November 2007
It is concluded that this zoonosis is a disease that generates high costs in medical care and for this reason more epidemiological studies should be carried out and public health authorities should implement control and prevention strategies in the region. Expand
Fish trophic level and the similarity of non-specific larval parasite assemblages.
- J. Timi, M. Rossin, A. J. Alarcos, P. Braicovich, D. Cantatore, A. Lanfranchi
- Biology, Medicine
- International journal for parasitology
- 1 March 2011
It is found that similarity at both infracommunity and component community levels showed a very clear decay pattern, based on parasite abundance and relative abundance, with increasing distance in TL, but was not related to changes in fish size, with TL thus emerging as the main explanatory factor for similarity of parasite assemblages. Expand
Parasite assemblages of Nemadactylus bergi (Pisces: Latridae): the role of larval stages in the short-scale predictability
The short-scale temporal repeatability in the structure and composition of parasite communities of Nemadactylus bergi were analyzed by comparing population and infracommunity descriptors in five samples caught off Mar del Plata, Argentina and, as predicted, this predictability was mainly provided by larval stages, namely Corynosoma australe and Grillotia carvajalregorum. Expand
A new species of Hysterothylacium (Ascaridoidea, Anisakidae) parasitic in Zenopsis conchifer (Zeiformes, Zeidae) from Argentinean waters
A new species of parasitic nematode, Hysterothylacium spirale sp. nov. (Ascaridoidea, Anisakidae), is described based on specimens collected from the intestine and pyloric caeca of the silvery john… Expand
Parasitism underground: determinants of helminth infections in two species of subterranean rodents (Octodontidae)
It was found that female hosts, especially non-pregnant ones, harboured heavier infections of 2 nematode species than male hosts, in sharp contrast to the general male-bias reported for most studies of nematodes in wild mammals. Expand
Parasite infracommunities of a specialized marine fish species in a compound community dominated by generalist parasites.
The structure and composition of parasite communities of Mullus argentinae were analysed in a sample of 75 specimens caught off Mar del Plata, Argentina; parasite communities were not dominated either by trophically transmitted larval parasites of low host-specificity or by adult digeneans. Expand
REDESCRIPTION OF TRICHURIS PAMPEANA (NEMATODA: TRICHURIDAE) FROM THE SOUTH AMERICAN SUBTERRANEAN RODENT CTENOMYS TALARUM THOMAS, 1898 (RODENTIA: OCTODONTIDAE)
The morphological features given in this redescription allow to confirm the identity of T. pampeana as a valid species and also to distinguish it more clearly from other species of the genus. Expand
Strongyloides myopotami in ctenomyid rodents: Transition from semi-aquatic to subterranean life cycle
The presence of S. myopotami in these species of tuco-tucos indicates a change from a semi-aquatic to subterranean life cycle, and evidence that tu COs are reservoirs for these nematodes and therefore may be a risk to human health in the areas studied is provided. Expand
A new species of Hedruris Nitzsch, 1821 (Nematoda: Hedruridae) parasitic in the freshwater fish Oligosarcus jenynsii (Günther, 1864) (Characidae) from Argentina
The new species closely resembles Hedruris suttonae Brugni & Viozzi, 2010¸ the only known species from Argentina; however, the bifid deirids in the new species and the distribution pattern of perianal spines in females clearly distinguish both species. Expand