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DIGITAL.CSIC
Article . 2009 . Peer-reviewed
Data sources: DIGITAL.CSIC
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Experimental infection by ovine Muellerius capillaris (Nematoda, Protostrongylidae) larvae of five species of molluscs (Hygromiinae, Helicodontinae and Helicinae)

Authors: Manga-González, M. Yolanda; Morrondo-Pelayo, M. Patrocinio;

Experimental infection by ovine Muellerius capillaris (Nematoda, Protostrongylidae) larvae of five species of molluscs (Hygromiinae, Helicodontinae and Helicinae)

Abstract

[EN] In this study we have tested for the first time the susceptibiliiy of Ponentina ponentina, Euomphalia (M.) brigantina, Oestophora (O.) barbula, as potencial intermediate hosts of Muellerius capillaris. At the same time, the development of the above mentioned parasite in Cepaea nemoralis and Helix (C.) aspersa was followed. The total number of molluscs used in the infections was 268. The dose of M. capillaris L-I used ranged between 65 and 838 larvae per mollusc. Once the snails had been infected, 1 or 2 examples from each species were killed every day between day 6 and 46 post-infection, to study the larval development of the parasite. In order to define the suitability of the molluscs as intermediate hosts for this parasite, the number of L-I that penetrated the foot of each snail and developed to L-II and L-III has been taken into account, as well as the first day on which the different stages were observed. The analyses of variance (one way) showed statistically significant differences among the specics of molluscs tested, concerning the percentages of penetration, total amount of larvae and L-III. The correlation coefficient showed that there was a relationship between the last two percentages. According to our results the species: C. nemoralis, P. ponentina, Euomphalia (M.) brigantina and Helix (C.) aspersa can be considered as suitable intermediate hosts for M. capillaris, whilst Oestophora (O.) barbula cannot be considered so.

[FR] Dans ce travail, on recueille les données sur l’infestation expérimentale avec larves I de Muellerius capillaris des espèces de mollusques suivantes : Ponentina ponentina, Euomphalia (Mengoana) brigantina, Oestophora (Oestophora) barbula, Helix (Cryptomphalus) aspersa et Cepaea nemoralis. Le nombre des mollusques employé pour l’infestation a été 268. Une fois que les mollusques sont infestés, on a sacrifié 1 ou 2 exemplaires par jour (de chacune des espèces), dès le 6º jour jusqu’au 46° jour post-infestation, pour suivre le développement larvaire ou parasite. On a calculé le nombre de larves I qui a pénétré dans chaque mollusque durant son infestation et, d’après ce nombre, les pourcentages de larves totales (I, II, III et de leurs combinations) et de larves III. On a également tenu compte des jours où l’on a observé les différents stades larvaires. Les analyses de variance à un critère de classificatioin ont montré des différences statistiquement significatives entre les espèces de mollusques testés pour les pourcentages de pénétration, total de larves et de L-III. Avec le coefficient de corrélation, on a observé que les deux derniers pourcentages étaient en relation. Les espèces de mollusques, C. nemoralis, P. ponentina, Euomphalia (M.) brigantina et Helix (C.) aspersa se sont comportés comme des hôtes intermédiaires adéquats pour le développement de M. capillaris.

This work was supported, in part, by both the CAICYT (Project number 142/85) and CSIC (ID-211)

http://cat.inist.fr/?aModele=afficheN&cpsidt=7141986

Peer reviewed

Country
Spain
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Keywords

Muellerius capillaris, Helix, Infestation expérimentale, Stylommatophora, Protostrongylidae, Oestophora, Ponentina, Cepaea, Mollusques hôtes intermédiaires, Experimental infection, Molluscs intermediate hosts, Euomphalia

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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